5 Electrical connections
5.7.3 Distributed I/O, digital I/O DSQC 328 (option)
3HAC 16245-1 A 117
Connections,
connector X4
The table below show the connections to connector X4:
The input current is 5.5 mA (at 24V) on the digital inputs. A capacitor connected to ground,
to prevent disturbances, causes a short rush of current when setting the input.
When connecting outputs, sensitive to pre-oscillation current, a series resistor (100 W) may
be used.
Unit function Signal name X4 pin
Optically isolated input In ch 9 1
Optically isolated input In ch 10 2
Optically isolated input In ch 11 3
Optically isolated input In ch 12 4
Optically isolated input In ch 13 5
Optically isolated input In ch 14 6
Optically isolated input In ch 15 7
Optically isolated input In ch 16 8
Optically isolated input 0 V for inputs 9-16 9
Optically isolated input Not used 10
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