Dry Contact Communication - YASKAWA PVI 23 TL Installation And Operation Manual

PVI 23TL, 28TL Installation and Operation Manual (Rev J)

7.3 Dry Contact Communication

The inverter features an alarm function that opens or closes a dry contact on the
communication board. (available both as contact normally open – N.O. – and as
contact normally closed – N.C.), as shown below:
Figure 7.9 - Dry Contact Communication Port
The voltage and current rating of the dry contact shown in the following table
must not be exceeded under any circumstances.
Different modes of dry contact output can be accessed by connecting different
pins of the P205 connector, as shown in following table.
Dry contact communication
port
P205: N.O. — COM
P205: N.C. — COM
DOCR-070365-J
N.O. N.C. COM
Table 7.2 - Dry Contact Rating
Voltage
AC Maximum 277 V
DC Maximum 30 V
Table 7.3 - Working Modes of Dry Contact
Status in fault
Current
Maximum 3 A
Maximum 1 A
condition
Closed
Open
Status without fault
condition
Open
Closed
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