Wiring Psb Modules; Wiring Information - Siemens SIMATIC EMS400S PSB-S Operating Instructions Manual

Installing and wiring PSB module

4.5 Wiring PSB modules

4.5 Wiring PSB modules
4.5.1

Wiring information

Note
Observe the following points:
• Safety instructions
Observe the safety instructions in the "EMS400S carrier controller for EMS plants"
system manual.
• Device failure
Moisture and condensation lead to malfunction. Moisture in the form of condensation on
or in the device is formed:
– When transporting a device at low temperatures
– Under extreme temperature variations
• Condensation
Do not expose the device to direct heat radiation from a heater.
If condensation has developed, wait approximately 4 hours until the HMI device has dried
completely before switching it on.
Wiring sequence
Note
You will risk damage to the device if you ignore the specified wiring sequence.
Wire the device in the following sequence:
1. I/O devices
2. Power supply
You can disconnect the device in reverse order.
26
Bring the device to room temperature before operating.
Operating Instructions, 03/2014, A5E03474166-03
PSB modules