Siemens Simantic ET 200S - 4 DI 24 VDC Standard Digital Electronic Module (6 ES7131-4 BD01-0 AA0)

Digital electronic modules
3.4 4DI 24 VDC Standard digital electronic module (6ES7131-4BD01-0AA0)
ET 200S
3-12 Manual, Edition 10/2005, A5E00514527-01
3.4 3.4 4DI 24 VDC Standard digital electronic module
(6ES7131-4BD01-0AA0)
Properties
• Digital electronics module with four inputs
• Nominal input voltage 24 VDC
• Suitable for switches and proximity switches (BEROs)
General terminal assignment
Note
Terminals 4, 8, A4, A8, A3 and A7 are only available at specified terminal modules.
Terminal assignment for the 4DI 24 VDC Standard (6ES7131-4BD01-0AA0).
Terminal Assignment Terminal Assignment Notes
1 DI
0
5 DI
1
2 DI
2
6 DI
3
3 L+ 7 L+
4 L+ 8 L+
A4 AUX1 A8 AUX1
A3 AUX1 A7 AUX1
• DI
n
: Input signal, channel n
• L+: Encoder power supply 24 VDC
• AUX1: Protective-conductor terminal or potential bus (freely usable
up to 230 VAC)