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Grounding the input module, Installing the input module – Rockwell Automation 1771-IR , D17716.5.76 RTD INPUT MODULE User Manual

Page 16

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Installing the RTD Input Module

Chapter 3

3Ć5

When using shielded cable, ground the foil shield and drain wire only at one
end of the cable. We recommend that you wrap the foil shield and drain wire
together and connect them to a chassis mounting bolt (Figure 3.3). At the
opposite end of the cable, tape exposed shield and drain wire with electrical tape
to insulate it from electrical contact.

Figure 3.3

Cable Grounding

17798

Ground Shield at

I/O chassis

mounting bolt

Shield and drain

twisted into

single strand

Field Wiring Arm

Refer to Wiring and Grounding Guidelines, publication 1770-4.1 for additional information.

When installing your module in an I/O chassis:

1.

First, turn off power to the I/O chassis:

WARNING: Remove power from the 1771 I/O chassis backplane
and wiring arm before removing or installing an I/O module.

Failure to remove power from the backplane could cause injury or
equipment damage due to possible unexpected operation.

Failure to remove power from the backplane or wiring arm could
cause module damage, degradation of performance, or injury.

Grounding the Input Module

Installing the Input Module