Control Elements - Siemens SIMATIC EMS400S PSB-S Operating Instructions Manual

Installing and wiring PSB module
4.4 Installing the PSB module
4.4.2

Control elements

The PSB module is equipped with the following control elements:
①
②
③
④
⑤
Procedure
1. You can open the contact cover by pulling it forward at the marked position.
The contact cover is arrested at the position shown by means of a latching hook.
2. You may adjust the latch position by pushing it towards the required direction.
The latch engages at the respective position.
3. Push the SM bus slide towards the left if you want to interconnect the PSB module with
the CPU.
Always verify that the CPU and the PSB module are off power when opening or closing
the SM bus connection.
4. You can remove the SM bus cover to connected an additional PSB module.
For this purpose, take a suitable screwdriver, insert it into the position shown and then
lever out the SM bus cover.
Keep the SM bus cover in a safe place for future use.
Note
The SM bus cover must be installed to ensure IP20 for the PSB module.
22
Contact cover, top
Upper latch
SM bus slide
SM bus cover
Contact cover, bottom
Operating Instructions, 03/2014, A5E03474166-03
PSB modules