456 Rockwell Automation Publication MOTION-RM003I-EN-P - February 2018
Bit Inhibit Condition Description
10 Brake Malfunction
The start inhibit is set when the Auto Sag function is enabled, and the brake slip is
detected based on motor movement exceeding the configured Brake Slip
Tolerance while the mechanical brake is engaged. This typically indicates that the
mechanical brake may not be capable of holding the load.
11...15 Reserved
This table maps the Start Inhibit bits with their Logix Designer Start Inhibit tag
names. Start Inhibit bit names always end with an Inhibit suffix.
Bit Tag
0 NA
1 VoltsHertzCurveDefinitionInhibit
2 MotorFeedbackRequiredInhibit
3 SpeedLimitConfigurationInhibit
4 TorqueProveConfigurationInhibit
5 SafeTorqueOffInhibit
6 SafetyResetRequiredInhibit
7 SafetyNotConfiguredInhibit
8 StopCommandActiveInhibit
9 FeedbackDeviceResetInhibit
10 BrakeMalfunctionInhibit
See also
Start Inhibit Attributes on page 453
Standard Start Inhibits on page 454
CIP Axis Attributes on page 185
The various motion attributes can result in exceptions that can be configured to
present either a fault or alarm.
The following table lists the standard exception conditions associated with the
CIP Axis Exceptions, CIP Axis Faults, and CIP Axis Alarms attributes. While the
CIP Axis Exceptions, CIP Axis Faults, and CIP Axis Alarms attributes are all
required in the CIP Motion device implementation, support for each individual
exception condition is optional.
The Rule column in the following table indicates the Device Function Codes
where the associated exception is applicable.
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