Motion Error Codes, faults, and attributes
590 Rockwell Automation Publication MOTION-RM002H-EN-P-February 2018
ModuleFaultBits DINT GSV G11/Status
Module Fault information is passed from a physical module or device to the
controller via an 8-bit value contained in the header of the Synchronous Input
connection assembly. These fault bits are updated every coarse update period by
the Motion Task
Bit Bit Name Meaning
0 ControlSyncFault Sets when the Logix controller
detects that several position
update messages in a row have
been missed due to failure of the
synchronous communications
connection.
1 ModuleSyncFault Sets when the motion module
detects that several position
update messages in a row have
been missed due to failure of the
synchronous communications
connection.
1-31 Reserved
(Motion Axis Object)
2 Timer Event Fault Sets when the servo module
detects a problem with the
module’s timer event
functionality.
3 ModuleHardwareFault Sets when the associated servo
module detects a hardware
problem that is going to need
replacement of the module to
correct.
4-31 Reserved
(Servo)
4 SERCOSRingFault
(Servo Drive)
Set when SERCOS module detects
that a problem has occurred on
the SERCOS ring, such as a light
has been broken or drive is
powered down.
5 Reserved
(Servo Drive)
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