1397 Inverting Fault Circuit Breaker
5
1397-5.29 September, 1998
Removable Link
Removed
Disconnect
existing A2
at Power I/F
PC board
To Power I/F
PC board A2
Drive
Motor A1
Motor
Armature
Motor A2
1 > Any other customer interlocks
must be connected in series
to terminals 9 and 11.
1 > To regulator board
terminals 9 & 11
Inverting Fault Breaker
Aux Contact
Inverting Fault Breaker
Customer supplied wire.
Size to same gauge
as DB kit leads.
DRV
MOT
S2
A2
A2/S1
DB
Resistor
DB
A1
M
M
Figure 3.
Inverter Fault Circuit Breaker
with Dynamic Braking
M
❐
1
Refer to Figure 7. Remove the removable link (bus section
connected to drive output terminal A2/S1) by removing the four
nuts and bolts that hold it in place. You may need to dismount
the drive in order to gain access to the removable link. If so,
re-mount the drive after the link has been removed.
Wiring
If you are using the Inverting Fault Circuit Breaker with Dynamic
Braking:
❐
2
Refer to Figure 3. Connect motor armature lead A2 to Inverting
Fault Circuit Breaker terminal MOT. (See Figure 9 for the
location of the breakers MOT terminal.) Terminate the breaker
side of the leads with lugs of the appropriate gauge.
❐
3
Using wire the same gauge as the motor leads, connect Inverting
Fault Circuit Breaker terminal DRV to drive output terminal S2.
(see figure 9 for the location of the breaker’s DRV terminal.)
Terminate the breaker side of the wires with lugs of the
appropriate gauge.
Using wire the same gauge as the DB kit leads, connect Inverting
Fault Circuit Breaker terminal MOT to drive output terminal
A2/S1.
❐
4
Connect motor armature lead A1 to drive terminal A1.
Proceed to "Wire Assembly Connections."
