Omron Q2A Series Technical Manual page 234

6.2 Modbus Communications
Register No.
(Hex.)
Fault Description 5
bit 0
bit 1
bit 2 - 3
bit 4
bit 5
00C2 bit 6
bit 7
bit 8
bit 9
bit A
bit B - E
bit F
Fault Description 6
bit 0
bit 1
bit 2
bit 3
bit 4
00C3 bit 5
bit 6
bit 7
bit 8
bit 9
bit A
bit B - F
Fault Description 7
bit 0
bit 1
bit 2
bit 3
bit 4
bit 5
bit 6 - 7
00C4
bit 8
bit 9
bit A
bit B
bit C
bit D
bit E
bit F
234
CE [Modbus Communication Error]
bUS [Option Communication Error]
Reserved
CF [Control Fault]
SvE [Zero Servo Fault]
EF0 [Option Card External Fault]
FbL [PID Feedback Loss]
UL3 [Undertorque Detection 1]
UL4 [Undertorque Detection 2]
oL7 [High Slip Braking Overload]
Reserved
Hardware Fault (includes oFx fault)
Reserved
dv1 [Z Pulse Fault]
dv2 [Z Pulse Noise Fault Detection]
dv3 [Inversion Detection]
dv4 [Inversion Prevention Detection]
LF2 [Output Current Imbalance]
STPo [Motor Step-Out Detected]
PGoH [Encoder (PG) Hardware Fault]
E5 [MECHATROLINK Watchdog Timer Err]
Reserved
SEr [Speed Search Retries Exceeded]
Reserved
FbH [Excessive PID Feedback]
EF1 [External Fault (Terminal DI1)]
EF2 [External Fault (Terminal DI2)]
oL5 [Mechanical Weakening Detection 1]
UL5 [Mechanical Weakening Detection 2]
CoF [Current Offset Fault]
Reserved
qFL [Q2pack Fault]
qFL1 [EEPROM Memory Q2pack Data Error]
qFL2 [Q2pack Fault 2]
qFL3 [Q2pack Fault 3]
Reserved
rF [Braking Resistor Fault]
boL [BrakingTransistor Overload Fault]
Reserved
Description
SIEPYEUOQ2A01A AC Drive Q2A Technical Manual