B&R PP21, User Manual, Page: 40 / 56

40 Power Panel User's Manual
Power Panel • Description of Components
12.10 Digital Inputs
12.10.1 Terminal Block Connections
Inputs 1 - 4 are equipped with additional functions (event counter, ABR evaluation, etc.). The
supply voltage for the digital inputs can be monitored with the application program.
12.10.2 Input Circuit Diagram
Digital inputs pin assignments
Connection Description
X2
1 Input 1
2 Input 2
3 Input 3
4 Input 4
5 Input 5
6 Input 6
7 Input 7
8 Input 8
9 Input 9
10 Input 10
11 +24 VDC
12 GND
Table 21: Digital inputs pin assignments
Figure 18: Digital inputs - input circuit diagram