PVI 23TL, 28TL Installation and Operation Manual (Rev J)
DOCR-070365-J
Page
40
of
66
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:
N.O. N.C. COM
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.
Table 7.2 - Dry Contact Rating
Voltage
Current
AC
Maximum 277 V
Maximum 3 A
DC
Maximum 30 V
Maximum 1 A
Different modes of dry contact output can be accessed by connecting different
pins of the P205 connector, as shown in following table.
Table 7.3 - Working Modes of Dry Contact
Dry contact communication
port
Status in fault
condition
Status without fault
condition
P205: N.O. — COM
Closed
Open
P205: N.C. — COM
Open
Closed
