Wiring Terminal Module Tm-Ps-A/ Tm-Ps-A Uc Or Tm-Ps-B/ Tm-Ps-B Uc - Siemens SIMATIC ET 200iSP Operating Instructions Manual

Wiring
5.4 Wiring the ET 200iSP
Required tools
● 10 mm wrench
● Insulation stripper
● Cable lug pliers
Procedure
1. Strip the insulation from the grounding conductor. Attach an M6 (ring) cable lug to the
grounding conductor.
The grounding cable must have a cross-section of at least 4 mm
2. Terminate the grounding conductor at the grounding bolt (M6 nut, washer, and spring
washer) located on the mounting rail on the left of the TM-PS-A/ TM-PS-A UC. The
tightening torque is 2 to 2.5 Nm.
3. Secure the other end to the ground bus PA.
Figure 5-4
5.4.5 Wiring terminal module TM-PS-A/ TM‑PS-A UC or TM-PS-B/ TM-PS-B UC
Safety instructions for the power supply PS 24 VDC
Threat to explosion protection in the Zone 1 and Zone 21 potentially explosive area:
In Zone 1/ Zone 21, always switch off power before you disconnect the PS 24 VDC power
supply cable on terminal module TM-PS-A/ TM-PS-A UC or TM-PS-B/ TM-PS-B UC. In zone
21, you may only open the enclosure of the ET 200iSP when no explosive dust is present!
112
Grounding the mounting rail
DANGER
.
2
Operating Instructions, 11/2017, A5E00247483-07
ET 200iSP