Rockwell-automation 1797-OE8H FLEX Ex HART Analog Modules User Manual Manual de usuario Pagina 108

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Publication 1797-6.5.3 - March 2006
6-10 Apply FLEX Ex Analog I/O Modules
Power Supply Considerations
When applying power, consider the certain characteristics of the wire
connecting the power supply output to a module’s power input. The wire
cannot exhibit more than:
0.1 of resistance (+V and -V combined)
800 nF of capacitance
10 µF of inductance
Typically, these restrictions will yield wiring lengths of not more than 3.5 m or
5.8 m (1.5 mm
2
and 2.5 mm
2
wire respectively) without the use of special
wiring or wiring methods.
Chapter Summary
In this chapter you learned how to apply the FLEX Ex analog I/O modules.
Move to Chapter 7 to learn about troubleshooting your modules.
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