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M-7065 User’s Manual
Ver2.0, Dec. /200
8
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103
3.3 03(0x03) Read multiple registers
This function code is used to read the current
digital input counter value.
Request
00
Address
1 Byte
1-2 47
01
Function code
1 Byte
0x03
02-03
Starting channel
numbers or address
mapping
2 Byte
Reads DI count value :
0x0000-0x001F
Reads module
address:0x01E4
Reads firmware
version:0x01E0
Reads module
name:0x01E2
Reads modbus delay
response time : 0x01E7
Reads timeout count :
0x01EB
Reads timeout value :
0x01E8
Host OK : 0x3038
04-05
Input channel number
2 Byte
0x0001-0x0020
(Word count)