Siemens simatic c7-621 Hardware Installation Manual page 26

Installing and Preparing the C7
C7-621 Figure 2-8 illustrates the C7-621 with digital and analog connectors. These
connectors only exist on the C7-621. The pinouts of the connectors are
shown in the following tables.
Digital input (top)
Digital output (bottom)
Figure 2-8 View of a C7-621 with External I/O Ports
Digital Input
Table 2-2
2-8
top
left
bottom
Analog input
Pinout of the Digital Inputs
Pin Signal
0.0 I124.0 Digital input 0
0.1 I124.1 Digital input 1
0.2 I124.2 Digital input 2
0.3 I124.3 Digital input 3
0.4 I124.4 Digital input 4
0.5 I124.5 Digital input 5
0.6 I124.6 Digital input 6
0.7 I124.7 Digital input 7
1.0 I125.0 Digital input 8
1.1 I125.1 Digital input 9
1.2 I125.2 Digital input 10
1.3 I125.3 Digital input 11
1.4 I125.4 Digital input 12
1.5 I125.5 Digital input 13
right
Analog output
Function
C7-621 / C7-621 AS-i Control Systems
C79000-G7076-C621-01