Accessories (overview)
Motor holding brake control modules
Overview
8
446
EDS94SPP101 EN 10.2
Monitoring functions
Motor brake control module
Brake status Module−internal monitoring No monitoring
Brake is not controlled
(brake is applied)
Supply voltage of brake
– not available
– not connected correctly
Supply voltage
– too high
– too low
– e.g. 18 V instead of 24 V
Brake current
– too high
– too low
Brake cable not connected
correctly
Brake is controlled
(brake is released)
Short circuits
– cable "+" or "−"
– cable "BD1" or "BD2"
Open circuit
– cable "+" or "−"
– cable "BD1" or "BD2"
ƒ Single Drive E94xS... devices: Monitoring active from V
DC
bus
> 250 V
ƒ Multi Drive E94AM... devices: Monitoring active independent of V
DC
bus
V
DC
bus
= DC−bus voltage
ƒ Errors can be evaluated under code C02609/8.
The externally controllable E94AZHN002x modules can be monitored via the digital
output (recommended).
Digital output DO
Status Description
HIGH No faults
LOW Fault
Supply voltage for motor holding brake is missing
Motor holding brake not connected to power supply
Brake cable defective
– Open circuit
– Short circuit
Supply voltage for motor brake control is missing
Note!
The supply status can be reported to the standard device via the error channel.
For more information, please see the software manual or the online help (see
description of C02609/8).
Operating conditions
The operating conditions correspond to the operating conditions for the standard device
to which the DC−feeding point is connected.
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