ICR-2412
2.5
I/O Port Interfaces
The maximum length of wires connected to the I/O ports is 3 meters to meet the EMC
immunity conditions.
The pins of I/O interface are physically connected to the 6-pin terminal block panel socket
located on the left panel. The pinout of one binary input and one binary output is shown in
Figure
and described in Table
Figure 9: I/O Connector Pinout
Pin
Signal mark
Description
3
IN(+)
The binary input (positive pole)
4
IN(-)
The binary input (negative pole)
5
OUT(+)
The binary output (positive pole)
6
OUT(-)
The binary output (negative pole)
Table 4: I/O Ports Pinout
The I/O user interface is designed for binary input processing and binary output control.
For detailed electrical parameters see Chapter
. The functional scheme of connection for
the binary input and binary output is in Figure
Figure 10: Functional Scheme of the Binary Interface
16
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