User's Manual

Operation: C1SD, C1ST, and C1SL Versions
5-10 CENTRON Meter Technical Reference Guide
Informational Data
The following items are for information purposes (see Table 5.4). All informational
data, except those items indicated by an asterisk, can be displayed in Normal and
Alternate modes.
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.
Optical Communications Baud Rate*
The optical communications default baud rate is 4800
baud, however, a rate of 9600 baud is selectable.
Expansion Port Comm. Baud Rate*
The expansion port communications default baud rate is
2400 baud; however, rates of 300, 1200, 2400, 4800,
and 9600 baud are selectable.
*Indicates parameters that can be uploaded to a reading device but cannot be displayed.
Table 5.3 Programmable Parameters
Parameter Description
Table 5.4 Information Data Items
Item Description
Time and Date of Maximum Demands
(C1ST and C1SL only)
The time and date that each maximum demand occurred
for A, B, C, D and Total Rates.
Time Remaining in (Sub) interval
The amount of time in minutes and seconds before the end
of the current demand interval.
Segment Test
The display illuminates all segments and selected
annunciators on the LCD in order to verify proper operation.
The watt disk emulator continues to function normally.
Meter ID Numbers 1 and 2
Two separate nine digit display items that can be used to
identify the meter with an alpha character displayed as a
dash, a space displayed as a blank, and a number
displayed as the appropriate value.
User Fields
Up to three separate user fields are available to display any
desired numerical information. Each user field can be up to
nine digits in length with an alpha character displayed as a
dash, a space displayed as a blank, and a number
displayed as the appropriate value.
Firmware Revision
A sequential number identifying the firmware revision level
of the meter. This number is automatically provided and
does not require operator input.