8.5 Optional digital input / output
card
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8.4.2. Front panel connector
Figure 8.4.2-1 Pin numbering of the front panel USB type B connector
8.5. Optional digital input / output card
VS_ArcL
NOTE! When this option card is installed, the parameter "I/O" has value "VOM
4DI1DO". Please check the ordering code in chapter 12.
The digital input / output option enables four more digital
inputs and one optional digital input / output contact. These
inputs are useful in applications where the contact signals are
not potential free. For example trip circuit supervision is such
application. The digital input / output uses terminal slots X6:1
and X6:2. DI3-DI4 are using the common in terminal slot X6:4.
DI5-DI6 are using the common in terminal slot X6:7.
Connections: