7.1 List of protective function
This driver module incorporates various protective functions. When a protective function is enabled, the
driver module turns OFF the alarm signal (ALM) and displays the error number on 7-segment LED of the
panel section at front surface.
Alarms does not occur for axes that are disabled by Pr0.20 “Axis limit setting”.
EtherCAT
communication
related
(Note 4)(Note 7)
Control power supply undervoltage protection
(Note 10)
Over-voltage protection (Note 10)
Main power supply undervoltage protection
(between P to N)
Main power supply undervoltage protection (AC
interception detection)
Encoder over-heat error protection
Torque saturation error protection
Mechanical brake circuit voltage error protection
Mechanical brake circuit overload protection
Encoder communication disconnect error
protection
Encoder communication error protection
Encoder communication data error protection
Position deviation excess protection
Speed deviation excess protection
Hybrid deviation excess error protection
2nd over-speed protection
Absolute clear protection
Position command error protection
Operation command contention protection
Position information initialization error protection
Counter overflow protection 1
Counter overflow protection 2
Safety function error protection 3
Safety function error protection 5
Duplicated input allocation error 1 protection
Duplicated input allocation error 2 protection
Input function number error 1 protection
Input function number error 2 protection
Output function number error 1 protection
Output function number error 2 protection
Latch input allocation error protection
Software limit protection
One revolution absolute working range error