Omron Q2A Series Technical Manual page 228

6.2 Modbus Communications
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Monitor Data
You can only read monitor data.
Register No.
(Hex.)
Drive Status 1
bit 0
bit 1
bit 2
bit 3
bit 4
0020
bit 5
bit 6
bit 7
bit 8 - D
bit E
bit F
Fault Description 1
bit 0
bit 1
bit 2
bit 3
bit 4
bit 5
bit 6
bit 7
0021
bit 8
bit 9
bit A
bit B
bit C
bit D
bit E
bit F
228
Table 6.11 Monitor Data for Modbus Communication
During Run
1: During run, 0: During stop
During Reverse
1: During reverse, 0: Forward run
Drive ready
1: Ready, 0: Not ready
Faults
1: Fault
Data Setting Error
1: oPExx error
MFDO (terminal 2NO-2CM)
1: ON, 0: OFF
MFDO (terminal 3NO-3CM)
1: ON, 0: OFF
MFDO (terminal 4NO-4CM)
1: ON, 0: OFF
Reserved
ComRef status
1: Enabled
ComCtrl status
1: Enabled
oC [Overcurrent], GF [Ground Fault]
ov [DC Bus Overvoltage]
oL2 [Drive Overloaded]
oH1 [Heatsink Overheat], oH2 [External Overheat (H1-XX=7D)]
rH [BrkTransOH], rr [Dynamic Braking Transistor Fault]
Reserved
FbL [PID Feedback Loss], FbH [Excessive PID Feedback]
EF0 [Option Card External Fault], EF1 to EF8 [External Fault]
CPFxx [Hardware Fault]
Note:
Includes oFx.
oL1 [Motor Overload], oL3, L4 [Overtorque Detection 1/2], UL3, L4 [Undertorque Detection 1/2]
PGo [Encoder (PG) Feedback Loss], PGoH [Encoder (PG) Hardware Fault], oS [Overspeed], dEv [Speed Deviation]
During Uv [Undervoltage] detection
Uv1 [DC Bus Undervoltage], Uv2 [Control Power Undervoltage], Uv3 [Soft Charge Answerback Fault]
LF [Output Phase Loss], PF [Input Phase Loss]
CE [Modbus Communication Error], bUS [Option Communication Error]
oPr [Keypad Connection Fault]
Description
SIEPYEUOQ2A01A AC Drive Q2A Technical Manual