Siemens SIMATIC ET 200X, Manual

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Technical Specifications
7-8
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
7.2 BM 141 DI 8 DC 24V ECOFAST basic module
(6ES7 141-1BF01-0AB0)
Feature
s
The BM 141 DI 8 DC 24V ECOFAST basic module with the order number
6ES7 141-1BF01-0AB0 has the following features:
PROFIBUS-DP connection via copper conductors (RS 485)
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 eight 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 in Appendix C.
Table 7-3 Pinout of sockets X1 to X8 for digital inputs
Pin Assignment
of socket X1
Assignment
of socket X2
Assignment
of socket X3
Assignment
of socket X4
Front view of
socket
1 Sensor supply output 1L+
2 not assigned
3 Chassis ground, power supply
2
4 Input signal,
channel 0 Input signal,
channel 1 Input signal,
channel 2 Input signal,
channel 3
1
3
4
5
5 PE
Pin Assignment
of socket X5
Assignment
of socket X6
Assignment
of socket X7
Assignment
of socket X8
1 Sensor supply output 1L+
2 not assigned
3 Chassis ground, power supply
4 Input signal,
channel 4 Input signal,
channel 5 Input signal,
channel 6 Input signal,
channel 7
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.