When External Register Is Not Correct - Omron 3G3MX2 User Manual
Mx2 series 200 v class three-phase input 0.1 to 15 kw 200 v class single-phase input 0.1 to 2.2 kw 400 v class three-phase input 0.4 to 15 kw
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ModBus mapping
B-5-1-4-6
When external register is not correct
(1) Read (0x03) / Object register: External register 1 (6001h)
Transmission: 01 03 60 00 00 01 9A 0A
Reception: 01 83 31 80 E4 (Error 31h: modbus mapping missmatch)
(2) Read (0x03) / Object register: External register 2 (6002h)
Transmission: 01 03 60 01 00 01 CB CA
Reception: 01 83 31 80 E4 (Error 31h: modbus mapping missmatch)
(3) Read (0x03) / Object register: External register 3 (6003h)
Transmission: 01 03 60 02 00 01 3B CA
Reception: 01 83 31 80 E4 (Error 31h: modbus mapping missmatch)
(4) Read (0x03) / Object register: External register 4 (6004h)
Transmission: 01 03 60 03 00 01 6A 0A
Reception: 01 83 31 80 E4 (Error 31h: modbus mapping missmatch)
1. P201 = External register: 6001h
P301 = Internal register: 120Fh (A013)
P221 = Scaling: 1.000
P211 = Format: Unsigned
2. P202 = External register: 6001h
P302 = Internal register: 1210h (A014)
P222 = Scaling: 1.000
P212 = Format: Unsigned
(1) Read (0x03) / Object register: External register (6001h)
Transmission: 01 03 60 00 00 01 9A 0A
Reception: 01 83 31 80 E4 (Error 31h: modbus mapping missmatch)
Section B-5
353
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Troubleshooting
