Motortronics
Page 15
2.3 Mechanical Brake Control
The ABC Series includes a Mechanical Brake Release Relay that can be utilized to control an electro-
mechanical brake coil. This relay has a Form “A” contact (1 N.O.) that changes state as follows (see section
4.3.4):
OPERATION
RELAY STATUS
Power On
No Change (de-energized)
Jog / Armed
Energizes (follows motor starter coil)
Braking
Remains energized
Braking Time Completed /
Zero Speed Override
De-energizes
Disabled – Before or During Jog / Armed
Remains Energized (follows motor starter coil)
Disabled – During Braking
De-energizes
Fault
De-energizes
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