Siemens SIMATIC ET 200X, Manual

Page: 236 / 362

Technical Specifications
7-48
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
Table 7-23 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.
Basic circuit diagram
The basic circuit diagram of the expansion module is show below.
Backplane bus
interface
Socket connections
(see Table 7-22)
1L+
1M
Supply voltage for
electronic components and
sensors via backplane bus
So. X1
So. X8 So. X3
So. X2
Short-circuit
protection
Short-circuit
protection
Short-circuit
protection
Short-circuit
protection
Figure 7-11 Basic circuit diagram of expansion module EM 141 DI 8 x DC 24V DIAG
(6ES7 141-1BF40-0XB0)