BECKHOFF EK1914 - Manual (Page 26)

Operation
24 EK1914
4.1.6 Pin assignment of the EK1914
Terminal
point Signal Description
1 +24V Supply voltage Us
2 In1 Standard input 1
3 In3 Standard input 3
4 Out 1 Standard output 1
5 Out 3 Standard output 3
6 Safe In1 Clock output safe input 1
7 Safe input 1
8 Safe Out 1 Safe output 1
9 0V Supply voltage Us
10 In2 Standard input 2
11 In4 Standard input 4
12 Out 2 Standard output 2
13 Out 4 Standard output 4
14 Safe In2 Clock output safe input 2
15 Safe input 2
16 Safe Out 2 Safe output 2
Note
Configurable safe inputs
The safe inputs 1 and 2 can be connected alternatively to normally closed contacts or
normally open contacts. The corresponding analysis is carried out in the safety PLC.
Note
Test pulses of the safe outputs
When selecting actuators, please ensure that the EK1914 test pulses do not lead to
actuator switching or a diagnostic message from the EK1914.