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COOLMAY EX3G PLC/HMI All in one Programming manual
51
Use the serial port tool to monitor serial port 3 for below data:
[2017:11:01:17:38:34][receive]01 04 00 00 00 06 70 08
[2017:11:01:17:38:34][receive]01 04 0C 00 15 00 20 00 2B 00 41 00 57 00 00 5F A7
2.11.3 Modbus Communication address number
2.11.3.1 Bit device:
MODBUS device
CX3G/FX3GC device
Input (readout dedicated)
Coil (read/write)
0x0000
~
0x1DFF
0x0000
~
0x1DFF
M0
~
M7679
0x1E00
~
0x1FFF
0x1E00
~
0x1FFF
M8000
~
M8511
0x2000
~
0x2FFF
0x2000
~
0x2FFF
S0
~
S4095
0x3000
~
0x313F
0x3000
~
0x313F
TS0
~
TS319
0x3140
~
0x31FF
0x3140
~
0x31FF
Unused address
0x3200
~
0x32FF
0x3200
~
0x32FF
CS0
~
CS255
0x3300
~
0x337F
0x3300
~
0x337F
Y0
~
Y177
0x3380
~
0x33FF
-
Unused address
0x3400
~
0x347F
-
X0
~
X177
An error occurs when accessing an unused address
2.11.3.2 Word device:
MODBUS device
CX3G/FX3GC device
Input register (readout dedicated)
Holding register (read/write)
0x0000
~
0x1F3F
0x0000
~
0x1F3F
D0
~
D7999
0x1F40
~
0x213F
0x1F40
~
0x213F
D8000
~
D8511
0x2140
~
0x7EFF
0x2140
~
0x7EFF
R0
~
R23999