YASKAWA PVI 23 TL Installation And Operation Manual page 42

PVI 23TL, 28TL Installation and Operation Manual (Rev J)
Connection Plan:
You can connect a LED or other loads to indicate the operational status of the
inverter, as shown in the following figure:
Line circuit Breaker( 3 A)
Light on in trouble free operational
Figure 7.10 - Dry Contact Communication Schematic Diagram
If you connect the contact port to the power distribution grid, you must install
an individual miniature circuit-breaker between the dry contact and the power
distribution grid.
Dry Contact Communication Cable Connection:
Warning: If the unit is running, turn off both disconnects and wait 5 minutes
before performing any work.
a.) Remove the plugs from holes for suitable cable conduits of 3/4 inch.
b.) Put the dry contact communication cable through the cable conduit and inside
the wiring box.
c.) Use double-layer insulated cables. Strip the cables according to the
following requirements.
DOCR-070365-J
(or L N)
+ -
Line circuit Breaker( 3 A)
COM
N.C.
N.O.
COM
N.C.
N.O.
COM
N.C.
N.O.
(or L N)
+ -
COM
N.C.
N.O.
COM
N.C.
N.O.
COM
N.C.
N.O.
Light on in error
Fault
In operation
In operation
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