FCC Part 15 Certification Test Report FCC ID: F9CC1SA FCC Rule Part: 15.247 ACS Report Number: 03-0248-15C Manufacturer: Schlumberger Electricity, Inc. Equipment Type: Electricity Meter With Dual RF Transmitters Model: CENTRON ™ ICARe Installation and Operators Guide 5015 B.U.
CENTRON® Meter Technical Reference Guide Effective Date: August 2002
Proprietary Rights Notice This manual is an unpublished work and contains the trade secrets and confidential information of SchlumbergerSema Inc., which are not to be divulged to third parties and may not be reproduced or transmitted in whole or part, in any form or by any means, electronic or mechanical for any purpose, without the express written permission of SchlumbergerSema Inc.
Compliance With FCC Regulations FCC Part 15, Class B This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These rules are designed to provide reasonable protection against harmful interference when the equipment is operated in a residential/ commercial environment.
Factory Repair of Meters SchlumbergerSema recommends that all repairs be performed at the factory. Certain repairs may be performed by the user; however, unauthorized repairs will void any existing warranty. All surface mounted parts must be replaced by the factory. Repair of Meters Under Warranty If the meter is under warranty, then SchlumbergerSema will repair the meter at no charge if the meter has failed due to components or workmanship.
North American Business Offices Canada SchlumbergerSema Energy & Utilities 6700 Century Avenue, Suite 100 Mississauga, Ontario L5N 2V8 Canada Tel: 905-812-2227 Fax: 905-812-5028 Mexico SchlumbergerSema Energy & Utilities Ejercito Nacional 425 Nivel 7, Colonia Granada Mexico City, Mexico Tel: 52 55 5263-3198 Fax: 52 55 5263-3193 United States SchlumbergerSema Energy & Utilities 313-B North Highway 11 West Union, SC 29696 Tel: 864-638-8300 Fax: 864-638-4950 v
Notes vi
TABLE OF CONTENTS CENTRON® Meter Technical Reference Guide Proprietary Rights Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii Trademarks Used in This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii Compliance With FCC Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table of Contents Chapter 3 Operation: Base Metrology CENTRON 1S, 2S CL200, and 3S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 CENTRON 2S CL320, 4S, 12/25S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Chapter 4 Operation: C1S Version Physical Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table of Contents Optional Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electronic Detent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Expansion Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table of Contents Recommended Energy Testing Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4 AEP Test Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4 Field Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LIST OF FIGURES Figure Figure Titles Page 1.1 1.2 1.3 1.4 1.5 1.6 1.7 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 3.1 3.2 3.3 Personality Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Form 1S, 120 Volt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Form 2S, CL200 240 Volt . . . . . . . . . . . . . . . . . . . . . . . . . . . .
List of Figures Figure 9.5 9.6 xii Figure Titles Page Form 12S Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-9 Form 25S Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LIST OF TABLES Table 1.1 5.1 5.2 5.3 5.4 5.5 5.6 6.1 8.1 8.2 8.3 8.4 9.1 9.2 9.3 9.4 9.5 9.6 9.7 Table Titles Page Outer Cover Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 LCD Display Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6 Register Display Formats . . . . . . .
List of Tables Notes: xiv CENTRON Meter Technical Reference Guide
Chapter 1 General Information This technical reference guide explains the installation, operation, and maintenance of the SchlumbergerSema CENTRON® meter family. SchlumbergerSema urges you to read the entire manual before attempting installation, testing, operation, or maintenance of a meter. To operate the SchlumbergerSema PC-PRO+® Programming Software and the PRO-READ® handheld reader programmer discussed in this manual, refer to their respective user manuals.
General Information General Description The CENTRON meter family is a solid-state, singlephase and network meter used for measuring electrical energy consumption. The CENTRON incorporates a twopiece design combining a base metrology with a variety of personality modules that snap on the standard meter base.
General Information Physical Description The CENTRON meter features a common meter base to which various personality modules are attached. The covers come in configurations of polycarbonate and glass. Meter Base The CENTRON meter base contains all of the measurement circuitry and calibration information on a SchlumbergerSema metrology board.
General Information Personality Modules All of the personality modules in the CENTRON meter family snap into the module holder located on the standard meter base (see Figure 1.5). From the base metrology, the energy data is transmitted to the personality modules, which contain the meter display, communication mediums, and register functionality. Figure 1.
General Information Battery The CENTRON C1ST and C1SL modules contain a battery that powers the clock circuit during a power outage. The battery is permanently soldered to the module and is expected to last the life of the module. The TOU and Load Profile modules display a Low Battery error code (Er 000001) if the minutes on the battery counter exceeds 525600 minutes (1 year). Refer to Chapter 5,"Operation: C1SD, C1ST, and C1SL Versions" for detailed battery information.
General Information Operating Environment Temperature -40°C to +85°C Humidity 0% to 95% non-condensing Accuracy ± 0.5% @ unity power factor ± 0.5% @ 50% power factor Transient/Surge Suppression ANSI C37.90.1 - 1989 IEC 61000-4-4 ANSI C62.45 - 1992 Characteristic Data Starting Watts Temperature Rise 2S CL200 5W 1S, 2S CL320, 12S, 25S 10W 3S CL20 1.2W 4S CL20 2.4W Meets ANSI C12.1 Section 4.7.2.9 Burden Data Metrology Voltage Watt Loss VA 120 240 240 240 240 120 0.45 0.45 0.65 0.65 0.
General Information To get the watt loss or VA of the overall product, add the metrology watt loss to the register watt loss and option board watt loss. VA (Meter) = VA (Metrology) + VA (Register) + VA (Option Board) Watt Loss (Meter) = Watt Loss (Metrology) + Watt Loss (Register) + Watt Loss (Option Board) Technical Data Meets applicable standards: • • • • • ANSI C12.1-1995 ANSI C12.1-1997 ANSI C12.20 (Class 0.
General Information C1SD/C1ST/C1SL Dimensions The following dimensional measurements are shown in inches and (centimeters). Figure 1.7 C1SD/C1ST/C1SL Dimensions A B C 6.29 (16.00) 6.95 (17.70) 2.70 (6.90) Polycarbonate D E 3.16 (8.00) 4.53(11.50) F G H 4.98(12.70) 6.29(16.00) 6.95 (17.70) Shipping Weights The following weight measurements are shown in pounds and (kilograms). Meter 4 Meters and Carton 96 Meter Pallets 1-8 Polycarbonate Glass 1.375 (0.623) 8.90 (4.04) 214 (97.30) 2.
Chapter 2 Installation This chapter of the guide gives instructions for the proper handling and installation of the CENTRON meter. Inspection Perform the following inspections when you receive the meter: • • • • Inspect for obvious damage to the cover, base, and meter assembly. Be sure the optical connector is free of debris. Compare the meter and register nameplates to the record card and invoice. Verify the type, class, voltage, form number, and other pertinent data.
Installation Unpacking As with all precision electronic instruments, the meter should be handled with care in an outdoor environment. Follow these precautions when handling the meter: • • Avoid damaging the meter base, cover, reset mechanism (if supplied), and optical connector (if supplied). When handling personality modules, grip the circuit board by its edges. Do not touch the liquid crystal display.
Installation Retrofitting with Personality Modules CENTRON meters can be upgraded to increase functionality by changing the Personality Modules. Do not power ON the meter without the inner cover in place. Power the meter OFF before removing the inner cover. Personality modules are sensitive to ESD damage. Take appropriate grounding measures before retrofitting! To change or add a Personality Module: 1 Remove power from the meter. 2 Remove the outer (polycarbonate or glass) cover.
Installation Two-Lead Connector Figure 2.2 Removing the Two-lead Connector • If an electronic register is present, remove the black board-to-board connector between the circuit board and the metrology board by pulling it by its middle while moving it side-to-side (see Figure 2.3). To maintain the integrity of the connector, only remove it when you are upgrading the meter. Board-to-Board Connector Figure 2.
Installation Meter Snaps Figure 2.4 Removing the Register Module 6 Snap the new module into the meter frame by aligning the notches at bottom of the circuit board with the lower two snaps (see Figure 2.5). The module must be aligned properly in the snaps to avoid damaging the connector or circuit board. Figure 2.
Installation 7 Replace the board-to-board connector by aligning the top of the connector with the notches in the circuit board (see Figure 2.6) and pressing gently at the bottom of connector to mate the connector to metrology board (see Figure 2.7). Then, gently press the top of the connector to mate it to the register module (see Figure 2.8). The connector is seated correctly when you hear it snap into place. Notches (2) Figure 2.
Installation 8 Ensure the board-to-board connector is fully seated by pressing firmly in on the middle of the connector. Figure 2.8 Board-to-Board Connector, Top 9 Carefully replace the inner protective cover. Engage the top snaps first, taking care to place the slot at the top of the cover over the IR light pipe. Failure to do so could break the light pipe. Ensure that all four meter base tabs are engaged with the slots at the top and bottom of the inner cover.
Installation Notes: 2-8 CENTRON Meter Technical Reference Guide
Chapter 3 Operation: Base Metrology This chapter describes the measurement technique used for the base metrology on the CENTRON meters. CENTRON 1S, 2S CL200, and 3S The CENTRON meter is a solid-state meter which uses the inherent multiplication properties of the Hall Effect to measure power.
Operation: Base Metrology The output voltage of the Hall Effect device is then: Vhall = V out = GIV = GPower Where G = ( C ⁄ R )K G is the combined gain factor of the entire system (Voltage to biasing current, line Current to flux density, Hall sensor). ib Figure 3.1 Power Measurement Principle in 2S From the power information available at the output voltage of the sensor, the meter architecture is simplified over previous designs as the multiplication has already taken place (see Figure 3.2).
Operation: Base Metrology Figure 3.2 Simplified CENTRON Architecture The custom ASIC cancels all the offset generated by the meter and removes the need for a light load adjustment of the metrology. This allows the meter to have excellent accuracy over a very large dynamic range, especially at the low current levels. For this reason, no offset adjustment is needed or provided for the CENTRON meter.
Operation: Base Metrology CENTRON 2S CL320, 4S, 12/25S The advanced metering forms of the CENTRON (2S CL320, 4S, and 12/25S) meter use the same Hall Effect measurement principle that is used in the form 1S, 2S, and 3S metering forms described earlier in this chapter. The major difference with these metering forms is the presence of two Hall cells, magnetic cores, and ADCs (see Figure 3.3).
Chapter 4 Operation: C1S Version The kWh only version of the CENTRON meter is available with one of three personality modules to register energy accumulation: C1S Clock Register C1S Cyclometer Register C1S LCD Register Figure 4.1 C1S Personality Modules All three modules are interchangeable and may be ordered with a 5x1 or 4x10 register for self-contained meters, and a 5xTR or 4xTR register for transformerrated meters.
Operation: C1S Version The LCD module is connected to the metrology board using the board-to-board connector. The following information is sent to the LCD module from the metrology board: • • • • • Line voltage Reference voltage Energy flow direction Energy pulse data Line frequency A connector is located at the 12 o'clock position behind the LCD for resetting the energy register. This is done using the ZRO-C2A Resetter. Figure 4.
Operation: C1S Version Resetting Values The pointers on the clock module are spring fitted to their staffs and can be easily repositioned to reset the register (see Figure 4.3). Figure 4.3 Clock Register To reset the cyclometer register dials: 1 First move the spring-loaded wire off of the hook that holds it in place. When the hook is in place, it puts tension on the individual cyclometer dials.
Operation: C1S Version The ZRO-C2A (see Figure 4.4) resets the energy register through a direct connection to the connector at the 12 o’clock position on the LCD and R300 modules. Figure 4.4 ZRO-C2A Resetter Connected to the CENTRON The ZRO-C2A is a pocket-sized handheld device for resetting the electronic meter readings in the CENTRON LCD kWh meter (C1S) and the R300 meter (C1SR). The ZRO-C2A also resets the tamper indicators in the C1SR. The ZRO-C2A requires that the meter Not Be Powered.
Operation: C1S Version All current production resetters and resetters produced after June of 2001 were built with the C2A upgrade and are labeled accordingly as shown in Figure 4.5 below. Although personality modules with the new EEPROM are only compatible with the C2A version of the CENTRON resetter (ZRO-C2A), the older revisions of the personality modules are also compatible with the ZRO-C2A. Figure 4.5 Reverse Side of ZRO Resetter LCD Display Function Two separate versions of the LCD are available.
Operation: C1S Version kWh TTT Figure 4.7 LCD Display with Segment Check The three triangle segments in the bottom right corner of the display represent a watt disk emulator. This electronic load indicator will advance with each pulse, since each pulse is equivalent to one watthour. Reverse power is indicated by a reversal in the direction of the electronic load indicator.
Chapter 5 Operation: C1SD, C1ST, and C1SL Versions The CENTRON meter is available with interchangeable personality modules that snap-into the standard CENTRON metrology base. The three multifunction modules available include the following versions: • • • C1SD—a demand module C1ST—a Time-of-Use (TOU) module with demand C1SL—a load profile module with TOU and demand Figure 5.
Operation: C1SD, C1ST, and C1SL Versions • Bidirectional Metering—All three multifunction versions are capable of measuring and displaying forward and reverse energy only (kWh). These modules have two separate registers; one for forward kWh and one for reverse kWh. When the meter is programmed with electronic detent, both the forward kWh register and the reverse kWh register will be utilized.
Operation: C1SD, C1ST, and C1SL Versions Normal Mode In Normal mode, the module display automatically sequences through the programmed displays and annunciators in the programmed sequence. Each parameter is displayed for the program-specified period (from 1 to 15 seconds), followed by a blank display for one second. Only the annunciator appropriate to the selected module display can appear while its data is displayed. Each display can have a two-digit identifier.
Operation: C1SD, C1ST, and C1SL Versions Test Mode Switch Figure 5.3 Test Mode Refer to the PC-PRO+ documentation for information on selecting the Test mode using a programming device. A programmable “Time-Out Length” from 1-to-99 minutes is available. After the programmed Time-Out Length has ended, the register will automatically exit the Test mode. The demand test interval is initialized whenever the Demand Reset button is pressed.
Operation: C1SD, C1ST, and C1SL Versions Low power mode can be verified in one of the following ways: • • By observing that the minutes on battery counter does not increase during a power outage. By observing the display during a power outage (from close range at an angle) and verifying that the display does not show “on battry”. See "Three Button Reset" on page 5-24 for instructions.
Operation: C1SD, C1ST, and C1SL Versions Programmable Functions The CENTRON can be programmed using SchlumbergerSema’s programming software: PC-PRO+ or PC-PRO+ 98. Table 5.1 describes each display item and indicates the display mode in which each is available. The display items and sequence of their display, along with any desired annunciators or Identification (ID) code numbers, are selected during the programming process.
Operation: C1SD, C1ST, and C1SL Versions Table 5.
Operation: C1SD, C1ST, and C1SL Versions Table 5.2 Register Display Formats Energy 3 Digits 4 Digits 5 Digits 6 Digits XX.X XXX XXX.X XXXX XXXX.X XXXXX XXXXX.X XXXXXX *indicates floating decimal point format Self Reading The C1SD is capable of storing one block of self-read data consisting of kWh and maximum kW. The TOU versions, the C1ST and C1SL, will store one block of self read data consisting of kWh and kW for all rates when a self-read is performed.
Operation: C1SD, C1ST, and C1SL Versions Table 5.3 Programmable Parameters Parameter Description Display Scroll Time * The number of seconds (1 to 15) that each item is to be displayed before the next item appears. Cold Load Pickup Time *(CLPU) The number of minutes (0-255) before demand calculations are restarted after a recognized power outage occurs. Setting this value to zero will cause demand calculations to start immediately following a power outage.
Operation: C1SD, C1ST, and C1SL Versions Table 5.3 Programmable Parameters Parameter Description Register Multiplier A programmable value that is used in calculations of energy and demand readings. This can be used by setting the register multiplier equal to the CT ratio times the PT ratio of the installation for primary read meters. Valid entries are from 1 to 9999. Note: Energy and demand display formats should be adjusted accordingly.
Operation: C1SD, C1ST, and C1SL Versions Table 5.4 Information Data Items Item Description Software Revision A sequential number identifying the revision level of the software used to program the meter. This number is automatically provided by the programming software and does not require operator input. Number of Times Programmed A counter identifying the number of times (up to 9999) the meter has been programmed.
Operation: C1SD, C1ST, and C1SL Versions Test Mode Data The following items shown in Table 5.5 can be displayed in Test mode. Table 5.5 Test Mode Data Items Item 5-12 Description Time Remaining in the (Sub) interval The amount of time in minutes and seconds before the end of the current Test mode demand interval. Maximum kW The maximum demand since the meter was put into Test mode. This value will be set to zero each time a demand reset is performed.
Operation: C1SD, C1ST, and C1SL Versions Programming the Meter With a 200 Series Program A CENTRON meter can be programmed using an existing Series 200 program. This procedure is a two-step process. First, export the 200 Series program you want to use to a CENTRON file format and then import that file into PC-PRO+ as follows: 1 Open the Program Editor. 2 Select File | Export. The Export screen shown in Figure 5.5 is displayed. Figure 5.
Operation: C1SD, C1ST, and C1SL Versions 7 Select File | Import. The Import screen shown in Figure 5.7 is displayed. Figure 5.7 Import Screen 8 Select the CENTRON program to import from the list of available EXP files. 9 Click OK. The program is loaded into the Program Editor. Edit as necessary before saving and using to program the meter. Demand Reset A demand reset can occur in both Normal and Alternate modes.
Operation: C1SD, C1ST, and C1SL Versions Time-of-Use TOU Schedules The Time-of-Use capability is available on the C1ST and C1SL personality modules. It requires additional circuitry to store TOU schedule information and a battery for time-keeping purposes during power outages. Schedule information is programmed on a PC using the PC PRO+ software packages. When using TOU functions on a meter, energy and demand registration are segregated into time blocks during the day.
Operation: C1SD, C1ST, and C1SL Versions Daylight Savings Time Daylight Savings Time switch points occur at 2:00 A.M. on the first Sunday in April and the last Sunday in October. These dates are pre-assigned in the Calendar Schedule; however, they can be modified by the user. The user can also elect not to recognize Daylight Savings Time and operate the meter in standard time only.
Operation: C1SD, C1ST, and C1SL Versions Load Profile Specifications Capacity The C1SL module provides 32k bytes of EEPROM for one channel of interval load profile data. The amount of installed EEPROM actually used for load profile recording is programmable from 1 to 32k bytes in one kbyte increments. 34 bytes of the 32k bytes is reserved for firmware and software parameters. Bit Resolution The mass memory is configured for 12 bit data resolution.
Operation: C1SD, C1ST, and C1SL Versions 1.8 watt hours PW = ---------------------------------pulse If this meter is replaced by a Load Profile register of the same form number, voltage and current ratings, and if the utility wants the register to operate the same way, the pulse weight would be entered in the customer files as 1.8 watthours per pulse. Example 2: Calculation of Pulse Weight A Load Profile register on a singlephase, 240V, CL200, meter is programmed so that kWh is recorded into mass memory.
Operation: C1SD, C1ST, and C1SL Versions Recording Duration Use the following equation to determine the recording duration for the load profile register: M × 1024 I Duration (days) = ----------------------- × -----107 24 M= Memory size in kilobytes I = Interval Length in minutes Truncate all decimals before multiplying by I/24. Table 5.6 Recording Duration for 32Kb Interval Length (min) Recording Duration (days) 1 12.75 2 25.50 5 63.75 10 127.50 15 191.25 30 382.50 60 765.
Operation: C1SD, C1ST, and C1SL Versions demand reset and to access the Alternate and Test modes. A tertiary security code allows read-only access. For more information about security codes, refer to the PC-PRO+ documentation. Calculations Energy Calculation of energy is continuously incremented by multiplying the energy pulse weight by the measured energy.
Operation: C1SD, C1ST, and C1SL Versions The Demand value is continuously compared against the stored maximum value. If a demand value is greater than the corresponding maximum demand, it is saved as the new maximum demand. If the demand value is less than the corresponding maximum demand, it is discarded. At the beginning of an interval, the current interval demand is reset to zero and new demand values begin accumulating.
Operation: C1SD, C1ST, and C1SL Versions Present Interval Demand The present interval demand value is the demand value at the present time normalized to the demand interval length. Present demand reports the calculated demand value as it increases from the start of a demand interval to the end of the interval. For rolling demand intervals, present demand reports the calculated demand value from the present subinterval as it is accumulating with the previous set of subintervals.
Operation: C1SD, C1ST, and C1SL Versions Classical observation of the open circuit voltage would lead to an overly optimistic battery life and the likelihood of product failure before the detection circuit tripped. SchlumbergerSema believes this is a major improvement in design robustness to classical voltage detect circuitry and will avoid misleading diagnostics. The curve in Figure 5.8 shows the CENTRON battery usage in amp-hours for the chosen scenario.
Operation: C1SD, C1ST, and C1SL Versions Figure 5.8 Battery Life Calculation Three Button Reset To perform a three button reset, follow these steps: Performing a three button reset returns selected program parameters to a default state. 5-24 1 Remove power to meter. 2 Remove the meter cover. 3 Activate the magnetic reed switch using a small magnet positioned at the 10 o’clock point of the meter. 4 Depress the test mode button and the demand reset button.
Operation: C1SD, C1ST, and C1SL Versions Option Boards CENTRON R300CD Operation The R300CD option provides two RF transmission messages for energy and demand readings. It is programmed with two unit ID’s, one for identifying energy (kWh) related Standard Consumption Messages (SCMs), and one for demand (kW). The even ERT ID number will always correspond to the energy value, and the odd ID will always correspond to the demand value.
Operation: C1SD, C1ST, and C1SL Versions TOU Module Control Board RF Board Meter Base Figure 5.9 CENTRON TOU Personality Module with R300CD Option Programming the R300CD Meter In order for the R300CD meter to operate properly, you must set certain parameters. Incorrectly set parameters will result in improper operation of the R300CD. The R300CD option boards use either a Load Profile (LP) or Time of Use (TOU) CENTRON personality module. In order for the R300CD to transmit it must have a kWh register.
Chapter 6 Operation: C1SR Version The SchlumbergerSema CENTRON C1SR is a one-way, unlicensed radio frequency (RF) personality module that attaches to the CENTRON meter base (See Figure 6.1). It offers a cost-effective solution for the endpoints in automatic and off-site meter reading applications. The CENTRON C1SR operates similar to the existing R300 module that is utilized by the J5 electromechanical meter.
Operation: C1SR Version Physical Description The C1SR personality module is constructed of a flame retardant printed circuit board material which supports the discrete, surface-mounted, and integrated circuit components. A microstrip etched on the circuit board serves as the RF antenna. The C1SR personality module easily snaps into the meter module mounting bracket. This module is then electronically attached to the metrology board via a board to board connector.
Operation: C1SR Version Electronic Detent The C1SR module displays energy in increments of whole values of kWh. Standard operation for this module is to accumulate both forward and reverse energy flow in the positive direction. However, the C1SR personality module is available with an electronic detent that will cause the meter to ignore reverse energy flow. Therefore, if the meter is inverted, the registers will accumulate in the forward direction only, thus providing uni-directional operation.
Operation: C1SR Version FCC Regulations The C1SR communicates in the unlicensed, 910-920 MHz band governed by the US Code of Federal Regulations (CFR) Title 47, Part 15 Radio Frequency Devices, Sub Part C Paragraph 249 Intentional Radiator. Changes or modifications not expressly approved by SchlumbergerSema Inc. could void the users authority to operate the equipment.
Operation: C1SR Version its equivalent value between 0 and 15. Table 6.1 shows the removal and inversion information based on the reported tamper count. For example, a tamper count of 6 on the ReadOne Pro would translate as 1 meter removal and 2 meter inversions since the last read. Table 6.
Operation: C1SR Version To retrofit an existing meter with an R300 module, follow "Retrofitting with Personality Modules" on page 2-3 and attach FCC Label on the left side of the inner cover at the 9 o’clock position as illustrated in Figure 6.3. FCC Label Figure 6.
Chapter 7 Operation: C1SC Version The SchlumbergerSema C1SC is a one-way transmitter used for fixed network applications. The C1SC uses CellNet RF technology. The personality module transmits a formatted data packet consisting of the preamble, the utility billing ID, kWh information, and Cyclic Redundancy Checks (CRC) to ensure message integrity. The module also features built in power outage notification, reverse power flow detection, power restoration notification, and redundant transmissions.
Operation: C1SC Version Physical Description The C1SC is constructed of a flame retardant, glass-filled printed circuit board material which supports the discrete, surface-mounted, and integrated circuitry components. A slot antenna etched on the circuit board serves as the RF antenna. The C1SC board snaps into the meter register mounting brackets to ease in the installation of the board. The LAN address barcode and interpretation is placed on the LCD housing for meter identification.
Operation: C1SC Version CC ELL NN ET LECTRICITY ELEMETRY ELL ETEE LECTRICITYINTERVAL INTERVALTT ELEMETRY kWh kWh (Pulses) (Pulses) 0 0 1 1 1 0 Time Time 2.52.
Operation: C1SC Version Resetting Values The C1SC can be reset using the CellNet Shooter device in conjunction with a computer. Programming the C1SC/CN1SC The CENTRON C1SC/CN1SC CellNet personality module programming port is located such that the CENTRON inner cover does not have to be removed when programming or testing the CellNet module.
Chapter 8 Testing, Troubleshooting, and Maintenance This section provides information and instructions to help you test and maintain the CENTRON meter.
Testing, Troubleshooting, and Maintenance LED will flash once for every 10Wh infrared pulses received. The left LED on the pulse detector is helpful when heavier loads are present on the system being examined. This can be used to verify that the metrology is measuring energy when installed and to conduct timing tests to determine the amount of load on meter. See Chapter 9 for the Pulse Detector part number. Figure 8.
Testing, Troubleshooting, and Maintenance Figure 8.3 TOU Rate Annunciators Test Mode Annunciator The CENTRON meter is equipped with a Test Mode LCD annunciator located in the left portion of the display. This annunciator is enabled when Test Mode is activated. The word TEST appears on the display and flashes at a steady rate when test mode is activated. (Available on the C1SD, C1ST, and C1SL.
Testing, Troubleshooting, and Maintenance 1hr Number of Pulses per sec = Wapp × ------------ × 1Kh 3600 Testing Using the Disk Emulation Annunciator The CENTRON meter is capable of visually being tested by using the Watt Disk Emulation Annunciator. Recommended Energy Testing Procedures Testing solid-state meters on test boards that were designed primarily for electromechanical meters may give unexpected results.
Testing, Troubleshooting, and Maintenance Troubleshooting Error Codes (R300) Non-Fatal Error Cause Effect Indication Stops RF transmission but continues energy accumulation and will be cleared after a power cycle. Checksum Error of the Energy Register The LCD will display the annunciator, a downward pointing arrow, in the lower right hand corner. Fatal Error Cause Effect Indication Unsuccessful writing to or reading from EEPROM memory. All metering and RF functions are halted.
Testing, Troubleshooting, and Maintenance Non-fatal errors can be programmed to scroll during the one second display offtime or lock on the register display. If multiple non-fatal errors occur, the meter will display a combined error message. For example, if a low battery error and a clock error exist, the error display will read ER 010001. In this case, if one of the errors had been programmed to lock, and the other error had been programmed to scroll, the display will lock on the combined error message.
Testing, Troubleshooting, and Maintenance Table 8.3 Non-Fatal Error Codes Code Error Possible Causes Discussion: A Load Profile error occurs when the Load Profile parameter is out of range or inactive. Er 100000 Full Scale Overflow Error Programmed Full Scale Value exceeded—Check programmed Full-Scale value and meter installation for proper sizing of equipment; checked continuously.
Testing, Troubleshooting, and Maintenance Inspecting and Troubleshooting—General Due to the modular architecture of the CENTRON meter, modules of similar voltage (120V or 240V) may be interchanged. Therefore, the personality module of the CENTRON you are troubleshooting can be placed on a known working base to verify proper operation of the personality module. Likewise, a known working personality module may be placed on the base of a meter to verify proper operation of the meter.
Testing, Troubleshooting, and Maintenance Cause Component Failure Solution Replace module. Software Cannot Communicate with Module Cause Solution Optical Probe Cable Assembly Failure Check cable with known register that communicates. Check cable against known cable that is functioning. Also check batteries in cable assembly. Com Port in PC is Set Wrong Verify proper Com Port number has been selected in the programming software. If the wrong Com Port is selected, communications will not occur.
Testing, Troubleshooting, and Maintenance Test Mode Switch Does Not Place Module in Test Mode Cause Solution Switch Not Fully Depressed Verify that the test mode pushbutton has been completely depressed. Switch or Electronic Failure Replace module. Test Mode Items Not Selected Re-program module with items to be displayed in Test mode. Inspecting and Troubleshooting—C1S LCD and C1SR Blank Display Cause 8-10 Solution Power not applied to the meter Apply power.
Chapter 9 Specifications and Drawings Specifications C1S Table 9.
Specifications and Drawings Table 9.
Specifications and Drawings Table 9.
Specifications and Drawings Table 9.2 C1SR Specifications Class Volts Wire Form Register Specification Number Digits/ Mult Glass Poly 20 240 3 4S R300 4XTR 981640000-000 981650000-000 200 120 3 12S R300 5X1 981660000-000 981670000-000 200 120 3 12S R300 4X10 981680000-000 981690000-000 200 120 3 25S R300 5X1 981700000-000 981710000-000 200 120 3 25S R300 4X10 981720000-000 981730000-000 C1SC Table 9.
Specifications and Drawings Table 9.4 C1SD Specifications Class Volts Wire Form Register Cover Specification Number 320 240 3 2S Demand POLY 981840000-000 20 120 2 3S Demand POLY 981790000-000 20 240 2 3S Demand POLY 981800000-000 20 240 3 4S Demand POLY 981810000-000 200 120 3 12S Demand POLY 981820000-000 200 120 3 25S Demand POLY 981830000-000 C1ST Table 9.
Specifications and Drawings R300CD Table 9.
Specifications and Drawings Table 9.7 C1SL Specifications Class Volts Wire Form Register Cover Specification Number 20 240 3 4S Load Profile POLY 981950000-000 200 120 3 12S Load Profile POLY 981960000-000 200 120 3 2S5 Load Profile POLY 981970000-000 Drawings 1 1 0 LINE 0 + + 1 0 LOAD Figure 9.
Specifications and Drawings 1 0 2 1 LINE 0 2 1 0 2 LOAD Figure 9.2 Form 2S Wiring Diagram Figure 9.
Specifications and Drawings Figure 9.4 Form 4S Wiring Diagram Alternate positions of movable potential terminal Alternate positions of fifth terminal jaw Figure 9.
Specifications and Drawings Notes: Figure 9.
GLOSSARY Term Description annunciator A Liquid Crystal Display (LCD) label that is displayed to identify a particular quantity being displayed baud Unit of data transmission signalling speed, roughly analogous to bits per second (bps) display duration The programmed number of seconds that a quantity is displayed on the LCD before it is replaced with the next quantity in the display sequence EEPROM Electrically Erasable Programmable Read Only Memory.
Glossary Notes: G-2 CENTRON Meter Technical Reference Guide
Index A ADC 3-2, 3-4 AEP barcode 7-2 AEP test codes 8-4 alternate display mode 5-3 Alternate mode annunciator 5-5 Alternate Mode Magnetic Reed Switch 8-6 analog to digital converter (ADC) 3-2 annunciator 2-2, 5-5, 8-2–8-3, G-1 Alternate mode 5-5 disk emulator 8-4 EOI 5-5 kWh 5-5 Test 5-3 test mode 5-5 antenna RF 6-2, 7-2 Application Specific Integrated Circuit (ASIC) 3-2 ASIC 3-2–3-3 automatic demand reset 5-8 B barcode AEP 7-2 LAN address 7-2 base 1-2 base metrology 3-1 battery 1-5, 5-22 life 5-22 self-d
Index electronic detent 5-2, 5-19, 6-3, G-1 electronic load indicator 5-5, 6-2 electronic register 2-4 energy calculation 5-20 energy consumption 4-5, 6-2 energy register 5-7 energy testing 8-1 EOI annunciator 5-5 EPROM G-1 error EEPROM 8-7 metrology 8-7 error checks 8-5 error code 8-5 Clock 8-6 Full Scale Overflow 8-7 Load Profile 8-6 Low Battery 1-5, 5-23, 8-6 Reverse Direction 8-6 TOU 8-6 ERT ID number 5-25 ESD damage 2-3 expansion modules 5-19 expansion port 5-19 F fatal errors 8-1, 8-5 FCC label 6-6
Index meter storage 2-1 metrology base 1-2, 5-1 metrology board 2-4, 2-6, 4-1, 6-4 metrology circuit board 1-3 metrology error 8-7 metrology watt loss 1-7 module clock 4-1, 4-3 cyclometer 4-1 demand 5-4 LCD 4-2 load profile 5-1, 5-4 R300 6-1 register 2-4, 2-6, 5-22 TOU 5-4 module holder 1-4 MOV 1-3 N non-fatal errors 8-1, 8-5–8-6 non-volatile memory 5-1, 5-3, 5-8, 6-1 nonvolatile memory G-1 normal display mode 5-2 O operating temperature range 2-2, 4-5, 6-2 C1SC 7-3 optical connector 2-2, 2-7 optical pic
Index silent time 6-3 Standard Consumption Messages (SCMs) 5-25 storage meter 2-1 support features 8-1 switch Alternate Mode Magnetic Reed 8-6 demand reset 5-14 test mode 5-3 T tamper counter 5-25, 6-3 tamper detection 6-4 tamper indication 6-4 tertiary security code 5-19 Test annunciator 5-3 test codes AEP 8-4 test display mode 5-3 Test LED 3-3 test mode 8-3 test mode annunciator 2-2, 5-5, 8-3 test mode button 2-2, 5-4, 5-24 test mode switch 5-3, 8-10 testing energy 8-1 field 8-1, 8-4 support features 8-
