Mitsubishi FX3U Series User Manual page 95

FX Series Programmable Controllers
3U
User's Manual - MODBUS Serial Communication Edition
MODBUS Serial
Communication Setup
M8411
MOV
0
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
Program for Setting up MODBUS Slave
For more details on the Communication Setup
H1097 D8400
Parameters, refer to Section 5.2 of this manual
H11 D8401
H1 D8414
H11 D8415
K100 D8416
Example Program for User Defined MODBUS Device
Assignment
MODBUS Device Mapping 1
H5002 D8470
X mapped coils / Block Size = 2
MODBUS Device Mapping 1
K0 D8471
Head device address = 0. Mapping = X0 - X37
MODBUS Device Mapping 2
H4 D8472
M mapped into coils / Block Size = 4
MODBUS Device Mapping 2
K128 D8473
Head device address = 128. Mapping = M128 - M191
MODBUS Device Mapping 3
H8008 D8474
TS mapped into H - register / Block Size = 8
MODBUS Device Mapping 3
H0 D8475
Head device address = 0. Mapping = TS0 - TS127
MODBUS Device Mapping 4
H9002 D8476
CS mapped into H - register / Block Size = 2
MODBUS Device Mapping 4
K128 D8477
Head device address = 128. Mapping = M128 - M159
MODBUS Device Mapping 5
H0C0D D8478
D mapped into H - register / Block Size = 13
MODBUS Device Mapping 5
K1000 D8479
Head device address = 1000. Mapping = D1000 - D1207
MODBUS Device Mapping 6
H0D10 D8480
R mapped into H - register / Block Size = 16
MODBUS Device Mapping 6
K0 D8481
Head device address = 0. Mapping = R0 - R255
MODBUS Device Mapping 7
HF008 D8482
CN mapped into H - register / Block Size = 8
MODBUS Device Mapping 7
K200 D8483
Head device address = 200. Mapping = CN200 - CN207
9.4 User defined MODBUS Device Address Assignment
9 Slave Specification
1
2
3
4
5
6
7
8
9
10
91