Siemens SIMATIC ET 200X, Manual

Page: 229 / 362

Technical Specifications
7-41
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
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 the ET 200X manual, Section
4.4.4. You can find the layout of the sockets in the ET 200X manual, Appendix C.
Table 7-20 Pinout of socket X1 to X4 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 Input signal,
channel 4 Input signal,
channel 5 Input signal,
channel 6 Input signal,
channel 7
1
2
3
5
3 Chassis ground, power supply
1 3
4
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.
Basic circuit diagram
The basic circuit diagram of the expansion module is show below.
Backplane bus
interface
1L+ 1M
Socket connections
(see Table 7-20)
Supply voltage for
electronic components and
sensors via backplane bus
So. X1 So. X4 So. X3 So. X2
Short-circuit
protection
Short-circuit
protection
Short-circuit
protection
Short-circuit
protection
Figure 7-9 Basic circuit diagram for expansion module EM 141 DI 8 x DC 24V DIAG
(6ES7 141-1BF30-0XB0)