Network Communications
6
6.2 Modbus Communications
SIEPYEUOQ2A01G AC Drive Q2A Technical Manual 249
Regis
ter No.
(Hex.)
Description
00C0
Fault Description 3
bit 0 Reserved
bit 1 Uv1 [DC Bus Undervoltage]
bit 2 Uv2 [Control Power Undervoltage]
bit 3 Uv3 [Soft Charge Answerback Fault]
bit 4 SC [Short Circuit/IGBT Failure]
bit 5 GF [Ground Fault]
bit 6 oC [Overcurrent]
bit 7 ov [DC Bus Overvoltage]
bit 8 oH [Heatsink Overheat]
bit 9 oH1 [Heatsink Overheat]
bit A oL1 [Motor Overload]
bit B oL2 [Drive Overloaded]
bit C oL3 [Overtorque Detection 1]
bit D oL4 [Overtorque Detection 2]
bit E rr [Dynamic Braking Transistor]
bit F rH [Braking Resistor Overheat]
00C1
Fault Description 4
bit 0 EF3 [External Fault (Terminal DI3)]
bit 1 EF4 [External Fault (Terminal DI4)]
bit 2 EF5 [External Fault (Terminal DI5)]
bit 3 EF6 [External Fault (Terminal DI6)]
bit 4 EF7 [External Fault (Terminal DI7)]
bit 5 EF8 [External Fault (Terminal DI8)]
bit 6 FAn [Internal Fan Fault]
bit 7 oS [Overspeed]
bit 8 dEv [Speed Deviation]
bit 9 PGo [Encoder (PG) Feedback Loss]
bit A PF [Input Phase Loss]
bit B LF [Output Phase Loss]
bit C oH3 [Motor Overheat (PTC Input)]
bit D oPr [Keypad Connection Fault]
bit E Err [EEPROM Write Error]
bit F oH4 [Motor Overheat Fault (PTC Input)]
Regis
ter No.
(Hex.)
Description
00C2
Fault Description 5
bit 0 CE [Modbus Communication Error]
bit 1 bUS [Option Communication Error]
bit 2 - 3 Reserved
bit 4 CF [Control Fault]
bit 5 SvE [Zero Servo Fault]
bit 6 EF0 [Option Card External Fault]
bit 7 FbL [PID Feedback Loss]
bit 8 UL3 [Undertorque Detection 1]
bit 9 UL4 [Undertorque Detection 2]
bit A oL7 [High Slip Braking Overload]
bit B - E Reserved
bit F Hardware Fault (includes oFx fault)
00C3
Fault Description 6
bit 0 Reserved
bit 1 dv1 [Z Pulse Fault]
bit 2 dv2 [Z Pulse Noise Fault Detection]
bit 3 dv3 [Inversion Detection]
bit 4 dv4 [Inversion Prevention Detection]
bit 5 LF2 [Output Current Imbalance]
bit 6 STPo [Motor Step-Out Detected]
bit 7 PGoH [Encoder (PG) Hardware Fault]
bit 8 E5 [MECHATROLINK Watchdog Timer Err]
bit 9 Reserved
bit A SEr [Speed Search Retries Exceeded]
bit B - F Reserved
00C4
Fault Description 7
bit 0 FbH [Excessive PID Feedback]
bit 1 EF1 [External Fault (Terminal DI1)]
bit 2 EF2 [External Fault (Terminal DI2)]
bit 3 oL5 [Mechanical Weakening Detection 1]
bit 4 UL5 [Mechanical Weakening Detection 2]
bit 5 CoF [Current Offset Fault]
bit 6 - 7 Reserved
bit 8 qFL1 [Q2pack Fault]
bit 9 qFL [EEPROM Memory Q2pack Data Error]
bit A qFL2 [Q2pack Fault 2]
bit B qFL3 [Q2pack Fault 3]
bit C Reserved
bit D rF [Braking Resistor Fault]
bit E boL [BrakingTransistor Overload Fault]
bit F Reserved