User Manual Of EL7-EC** AC Servo
283
8.5 EtherCAT Communication Alarm
EtherCAT communication related alarms are erasable and will not be recorded in
alarm history.
Clearing EtherCAT communication alarm is similar to clearing servo driver alarm.
Please clear the alarm before switching to 402 machine state.
EtherCAT communication alarm however, relies on register clearance from the main
station. Can be solved according to following steps:
1
、
Set bit 4 of ESC control register 0x120 (error responder) to 1.
2
、
The communication alarm can be cleared until the feedback of the ESC status code
register 0x134~0x135 is 0.
3
、
By setting bit 7 of 6040h to 1, switches state machine from fault to initialization
completion , No fault(Switch on disabled).
Error
code
Main Sub Display: “
Er 73A”
73
A
Error description: SyncManager2 lost
Cause
Diagnosis
Solution
Poor master
performance
--
Increase the alarm
threshold
Single-unit drive has
problem
Is it a single unit or multiple units together
in the network
Switch drive
interfere
Check the grounding and network wiring
quality
Replace the network
cable
Error
code
Main Sub Display: “
Er 73b”
73
B
Error description: SYNC0 lost
Cause
Diagnosis
Solution
Poor master
performance
--
Increase threshold value
limit
Single-unit drive has
problem
Is it a single unit or multiple units together
in the network
Switch drive
interfere
Check the grounding and network wiring
quality
Replace the network
cable
