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How long can a Simcenter SCADAS run on battery?

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TitleHow long can a Simcenter SCADAS run on battery?
URL NameHow-long-can-a-Simcenter-SCADAS-run-on-battery
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Question

Want to run my Simcenter SCADAS hardware on battery for a test of several hours. How long can a SCADAS run on battery?

Answer

Calculations based on the maximum power draw for a given Simcenter SCADAS frame and a brand-new battery at room temperature are outlined below.  

However, be warned that battery capacity erodes over time, and that temperatures can affect battery performance. Also, depending on the number of transducers and the power they require, the power draw could be less than what is indicated.

 *** Due to the above considerations, It is highly recommended to do a bench test with your SCADAS system and transducers to verify these calculations. ***

Equation

The equation for determining how many hours a Simcenter SCADAS can operate is given below:

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In this equation:
  • Assume that all SCADAS slots are filled with cards and maximum power (in Watts) is being drawn. The maximum consumption wattage is in the denominator. 
  • In the numerator, when multiplying “Amp Hours” times “Voltage”, the units become “Watt Hours”.  Both of the terms are properties of the battery.
  • After dividing the numerator by the denominator, the result is hours of operation.

SCADAS Mobile and Recorder hardware frames come in different sizes:
  • The smallest is a “1 slot” frame with code SCM2E01 (Mobile) or SCR2E01 (Recorder)
  • The largest is a “9 slot” frame with code SCM2E09 (Mobile) or SCR2E09 (Recorder)
  • The number of available slots for different frames are 1, 2, 5, and 9.

Battery Amp Hours per SCADAS frame:
  • SCM2E01-SCM2E05: 2.6 Amp Hours
  • SCM2E209: 5.2  Amp Hours
  • SCADAS XS: 4.4 Amp Hours

Battery Voltage per SCADAS frame
  • SCM2E01-SCM2E05: 21.6 Volts
  • SCM2E209: 21.6 Volts
  • SCADAS XS: 3.7 Volts

Maximum Power Consumption per SCADAS Frame
  • SCADAS XS: 9 Watts
  • SCM2E01/SCR2E01: 25 Watts
  • SCM2E02/SCR2E02: 40 Watts
  • SCM2E05/SCR2E05: 60 Watts
  • SCM2E09/SCR2E09: 112 Watts

Example Calculations

Some example calculations:
•    SCADAS Mobile “1 slot” frontend (SCM2E01):2.3 hours of operation could be expected for a new battery and maximum power draw. This is based on 2.6 Amp Hours, 21.6 Volts, and 25 Watts.
•    SCADAS Mobile “5 slot” frontend (SCM2E05): 0.936 hours of operation could be expected for a new battery and maximum power draw. This is based on 2.6 Amp Hours, 21.6 Volts, and 60 Watts.
•    SCADAS XS (SC-XS12-A): 1.8 hours of operation could be expected for a new battery and maximum power draw. This is based on 4.4 Amp Hours, 3.7 Volts, and 9 Watts.

External Battery

It is also possible to hook up an external battery to SCADAS hardware. To do so, one of these cables can be used:

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For more information about Simcenter SCADAS Cables, see the Simcenter SCADAS Cable Guide.

Related Simcenter SCADAS links:
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