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SureCross Power Solutions

The SureCross Power Solutions guide lists the various power options for SureCross devices. Also included in this guide is a

battery life calculation for some discrete and analog sensors, examples of solar power installations, and brief instructions

explaining how to measure your sensor's current draw and calculate the estimated battery life for your installation.

10 to 30V dc Power

For locations with power, the 10–30V dc devices offer an easy-to-install solution for sensing devices.

• 10–30V dc can power more sensors and more types of sensors to obtain the necessary data.

• The number of sensors powered by the SureCross device is only limited by the number of I/O points available.

• The Node may be set to high-speed I/O sample and reporting rates for quicker data collection.

What is FlexPower

Banner’s FlexPower technology supplies a true wireless solution by allowing the device to operate using either 10–30V dc,

3.6V lithium D cell batteries, or solar power. This unique power management system can operate a FlexPower Node and an

optimized sensing device for up to five years on a single lithium D cell.

• FlexPower Nodes may be powered from 10–30V dc and use an external battery supply module to provide a battery

back-up solution.

• When a FlexPower Node receives 10–30V dc, it operates like a standard 10–30V dc Node.

• Good applications for FlexPower devices operating from batteries include sensors that require no or very little

power, including dry contacts, RTDs, and thermocouples.

The following FlexPower options are available:

• DX81, a single battery supply module;

• DX81P6, a 6-pack of lithium batteries;

• DX81H, a single battery supply module designed specifically to power the DX99 Intrinsically Safe devices with

polycarbonate housings; and

• BWA-SOLAR-001, a solar power assembly that includes the solar panel, rechargeable batteries, and solar power

controller.

DX81: Single battery supply module

DX81H: Single battery supply module

designed specifically to power the

DX99 Intrinsically Safe devices with

polycarbonate housings

DX81P6: Six-pack battery supply

module

BWA-SOLAR-001: Solar supply;

includes solar panel, rechargeable

batteries, and controller.

Switch Power (with FlexPower)

Efficient power management technology enables some FlexPower devices to include an internal power supply, called switch

power (SP), that briefly steps up to power sensors requiring 5, 10, or 15V power (ideally, 4–20 mA loop-powered sensors).

When the switch power output cycles on, the voltage is boosted to the voltage needed to power the sensor for a specific

warmup time. This warmup time denotes how long the sensor must be powered before a reliable reading can be taken.

After the warmup time has passed, the input reads the sensor, then the switch power shuts off to prolong battery life. The

switch power voltage, warm-up time, and sample interval are configurable parameters.

SureCross Power Solutions and Battery Life

Calculations

Original Document 19 February 2014

Summary of content (9 pages)

PAGE 1
SureCross Power Solutions and Battery Life Calculations SureCross Power Solutions The SureCross Power Solutions guide lists the various power options for SureCross devices. Also included in this guide is a battery life calculation for some discrete and analog sensors, examples of solar power installations, and brief instructions explaining how to measure your sensor's current draw and calculate the estimated battery life for your installation.
PAGE 2
SureCross Power Solutions and Battery Life Calculations • • To reduce power consumption and extend battery life, slower sample and reporting rates are used. Faster sample and report rates can be configured, but this will decrease the battery’s life. For details, refer to the DIP switch configurable parameters for your device. The FlexPower switched power management system can operate a FlexPower Node and most sensing devices for up to five years on a single lithium D cell.
PAGE 3
SureCross Power Solutions and Battery Life Calculations Table 1: Battery Life in Years 1 Manufacturer Device Model Banner U-Sonic/Distance QT50ULBQ6-75390 Boost Voltage Warmup Time 15V 500 ms 2 Esterlink/KPSI Submersible Level KPSI Series 700 10V 10 ms 3 Turck Pressure PT100R-11-L13-H1131 10V 10 ms Sample and Report Rates 1 second 2 seconds 4 seconds 16 seconds 64 seconds 5 minutes 15 minutes 1 0.00 0.00 0.00 0.26 0.91 2.61 4.45 2 0.87 1.45 2.15 3.32 3.89 4.
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SureCross Power Solutions and Battery Life Calculations Sample and Report Rates 62.5 ms 125 ms 250 ms 500 ms 1 second 2 seconds 16 seconds 1 0.97 1.67 2.62 3.74 4.75 5.49 6.28 2 0.20 0.40 0.72 1.27 2.05 2.99 5.07 Note, battery life calculations are based on the sensor operating 24 hours a day, 365 days a year. 7 6 DX81 Battery Life (Years) SM312DQD-78419 5 4 3 2 Bi10U-M30-AP6X-H1141 1 0 62.
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SureCross Power Solutions and Battery Life Calculations 4.00 DX81 Battery Life (Years) 3.50 Reading 1 register 3.00 2.50 Reading 3 registers 2.00 1.50 1.00 0.50 0.00 .125 .500 1 4 8 16 64 Sample and Report Rate (sec) These values are estimated based on the current hardware and software configuration and are subject to change without notice. Environmental conditions will also contribute to the battery’s lifespan. Current estimates are based on a battery operating at room temperature.
PAGE 6
SureCross Power Solutions and Battery Life Calculations 1. Averaging Fluke Meter 2. DX81 Battery Supply Module 3. DX80 FlexPower Node with MINIBEAM 4. BWA-HW-010 Cable, FlexPower Current Monitoring Example Solar Powered Systems For installations without wired power, the solar powered assembly may be used to power data radios, FlexPower Gateways, or FlexPower Nodes connected to sensors that require more power than a single battery unit can supply.
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SureCross Power Solutions and Battery Life Calculations 2 Host System This example system shows a solar power system powering data radios and Gateways, expanding the wireless network far beyond the limits of wired power sources. NID A 5 1 2 5 NID A 1 8 NID 1 2 NID A 7 6 NID 1 Item 6 NID 1 Model No. Description 1 BWA-SOLAR-001 FlexPower Solar Supply, includes panel, solar controller, rechargeable batteries, and mounting materials 2 DX80DR*M-H MultiHop Data Radio, 900 MHz or 2.
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SureCross Power Solutions and Battery Life Calculations 1. BWA-SOLAR-001. FlexPower Solar Supply, includes panel, solar controller, rechargeable batteries, and mounting materials. 2. DX80N... DX80 or DX80 Performance FlexPower Node or 10–30V dc Node. 3. Power Splitter Cable, quick disconnect, 5-pin Euro, female trunk, male branches.
PAGE 9
SureCross Power Solutions and Battery Life Calculations 4 Host System 1 4 1 3 4 2 5 Model No. Description 1 BWA-SOLAR-001 FlexPower Solar Supply, includes panel, solar controller, rechargeable batteries, and mounting materials 2 DX80N... DX80 or DX80 Performance FlexPower Node or 10 to 30 V dc Node 3 DX80G*M2S-P Performance FlexPower Gateway, No I/O 4 DX80DR*M-H MultiHop Data Radio, 900 MHz or 2.4 GHz 5 CSRB-M1250M125.47M125.