1397 Inverting Fault Circuit Breaker
7
1397-5.29 September, 1998
Drive
M
A1
Motor A1
M
Motor
Armature
Removable Link
Removed
Motor A2
Motor S1
Motor S2
Series Field
Customer supplied wire
Size to same gauge
as DB kit leads.
DRV
S2
MOT
A2
A2/S1
Inverting Fault Breaker
Aux Contact
1 > Any other customer interlocks
must be connected in series
to terminals 9 and 11
1 > To Regulator board
terminals 9 & 11
M
Disconnect
existing A2
at Power I/F
PC board
To Power I/F
PC board A2
Figure 5.
Inverting Fault Circuit Breaker
with a Series Field and Dynamic Braking
Wiring
If you are using the Inverting Fault Circuit Breaker with a Series
Field (S1 to A2) and Dynamic Braking:
❐
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.
❐
2
Refer to Figure 5. Connect motor series field lead S2 to Inverting
Fault Circuit Breaker terminal MOT. (See Figure 9 for the
location of the breaker’s MOT terminal.) Terminate the breaker
side of the leads with lugs of the appropriate gauge.
❐
3
Using wire of 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.
❐
4
Using wire the same gauge as the DB kit leads, connect motor
armature lead A1 to drive terminal A1.
Proceed to "Wire Assembly Connections".
❐
4
Using wire the same gauge as the DB kit leads, connect motor
armature lead A1 to drive terminal A1.
❐
5
Connect motor armature lead A1 to drive terminal A1.
