Pinout Of The Sockets For 4-Channel Digital Inputs - Siemens SIMATIC ET 200X Manual

Technical Specifications
7.7 EM 141 DI 4
(6ES7 141-1BD31-0XA0)
Features
The EM 141 DI 4
6ES7 141-1BD31-0XA0 has the following features:
S 4 digital inputs
S Rated input voltage of 24 VDC
S Suitable for switches and proximity switches (BEROs)
Pinout of the sockets for DI
The following table shows the pinout of the four sockets used to connect the digital
inputs. You can find the wiring of the connector in Section 4.4.3. You can find the
layout of the sockets in Appendix C.
Table 7-18 Pinout of the sockets for 4-channel digital inputs
Pin Assignment
of socket X1
1 Sensor supply output 1L+
2 Input signal,
channel 1*
3 Chassis ground, power supply
4 Input signal,
channel 0
5 PE
* Note: Channel 1 and channel 3 are only allowed to be used at one socket (X1/X2 or X3/X4).
Covering up unused connections
You must seal off any connections which are not required with M12 screw caps, in
order to ensure that the degree of protection (IP 65, IP 66 or IP 67) is achieved.
7-34
DC 24V expansion module
DC 24V expansion module; order number
Assignment Assignment
of socket X2 of socket X3
– Input signal,
channel 3*
Input signal, Input signal,
channel 1* channel 2
Assignment Front view of
of socket X4 socket
–
1
Input signal,
channel 3*
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
2 2
3
5
4