When An External Register Overlaps With The Existing Register; When Internal Register Is Not Correct - Omron 3G3MX2 User Manual

ModBus mapping
B-5-1-4-4 When an external register overlaps with the existing register (2-word low rank)
B-5-1-4-5

When internal register is not correct

352
P201 = External register: 1217h (A020 (LOW))
P301 = Internal register: 120Fh (A013)
P221 = Scaling: 1.000
P211 = Format: Unsigned
A013 value: 33 (21h)
(1) Read (0x03) / Object register: External register (1217h)
Transmission: 01 03 12 16 00 01 60 B6
Reception: 01 03 02 00 21 78 5C
(2) Read (0x03) / Object register: Internal register (120Fh)
Transmission: 01 03 12 0E 00 01 E0 B1
Reception: 01 03 02 00 21 78 5C
(3) Read (0x03) / Object register: 1216h (A020 (HIGH))
Transmission: 01 03 12 15 00 01 90 B6
Reception: 01 83 32 C0 E5 (Error 32h: access to duplication register)
(4) Write (0x10) / Object register: 1216h (A020 (HIGH))
Transmission: 01 10 12 15 00 02 04 00 00 10 00 EB FC
Reception: 01 90 32 CD D5 (Error 32h: access to duplication register)
1. P201 = External register: 6001h
P301 = Internal register: 0000h
P221 = Scaling: 1.000
P211 = Format: Unsigned
2. P202 = External register: 6002h
P302 = Internal register: 1216h (A020 (HIGH))
P222 = Scaling: 1.000
P212 = Format: Unsigned
3. P203 = External register: 6003h
P303 = Internal register: 1217h (A020 (LOW))
P223 = Scaling: 1.000
P213 = Format: Unsigned
4. P204 = External register: 6004h
P304 = Internal register: 12FFh
P224 = Scaling: 1.000
P214 = Format: Unsigned
Section B-5