Technical Specifications
7-3
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
7.1 BM 141 DI 8 DC 24V basic module
(6ES7 141-1BF12-0XB0)
Features
The basic module BM 141 DI 8DC 24V with the order number
6ES7 141-1BF12-0XB0 has the following features:
8 digital inputs
Rated input voltage of 24 VDC
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. The connector wiring is described in Section 4.4.4. You can find the layout
of the sockets 1 to 4 on the module in Appendix C.
Table 7-1 Pinout of the sockets for 8-channel digital inputs
Pin Assignment
of socket X1
Assignment
of socket X2
Assignment
of socket X3
Assignment
of socket X4
Front view of
socket
(Front view)
1 Sensor supply output 1L+
2 Input signal,
channel 4
Input signal,
channel 5
Input signal,
channel 6
Input signal,
channel 7
2
3 Chassis ground, power supply
1
2
3
5
4 Input signal,
channel 0
Input signal,
channel 1
Input signal,
channel 2
Input signal,
channel 3
4
5 PE
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.
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