Wiring; Wiring And Block Diagram - Siemens ET 200SP Manual

Wiring

3.1

Wiring and block diagram

This section includes the block diagram of the DI 4x120..230VAC ST module with the
terminal assignments for a 2-wire, 3-wire and 4-wire connection.
Information about wiring of the BaseUnit is available in the system manual ET 200SP
distributed I/O system (http://support.automation.siemens.com/WW/view/en/58649293).
Note
You may use and combine the different wiring options for all channels.
NOTICE
Hazardous voltage, risk of fatal or serious injury
Always disconnect the system and module from the power supply before commencing
work.
Note
Limiting overvoltage
You must ensure overvoltage is limited to 1 kV for the encoder supply.
Note
Power limitation
To limit power, each input voltage must have a fuse with a maximum rating of 10 A tripping
current. The fuse must be a quick-acting microfuse.
14
Digital input module DI 4x120..230VAC ST (6ES7131-6FD01-0BB1)
3
Manual, 09/2017, A5E32043398-AC