I/O Memory Area (Dm) Write Multiple Registers - Omron CS1W-ETN21 Quick Start Manual

MANUEL STA46
1-4-7

I/O memory area (DM) Write Multiple Registers

[Function]
Writes registers.
[Request]
Function Code
Starting Address
Quantity of Registers
Byte Count
Registers Value
(*) N = Quantity of Registers to write.
[Response]
Function Code
Starting Address
Quantity of Registers
Example: write 2 words into DM1000-1001.
Request
Function Code
Starting Address(H)
Starting Address(L)
Quantity of Registers(H)
Quantity of Registers(L)
Byte Count
Registers Value(H)
Registers Value(L)
Registers Value(H)
Registers Value(L)
DM 15 14 13
1000 3
1001 9
JP Viskovic 30/08/2005 OEE-F
Length
1 Byte
2 Bytes
2 Bytes
1 Byte
N x 2 Bytes
Length
1 Byte
2 Bytes
2 Bytes
Data
0x10 Function Code
0x03 Starting Address(H)
0xE8 Starting Address(L)
0x00 Quantity of Registers(H)
0x02 Quantity of Registers(L)
0x04
0x3A
0xC5
0x97
0x13
12 11 10 9
A
7
Data
0x10
0x0000-0x17FF
1-123(0x7B)
2 x N(*)
value
Data
0x10
0x0000-0x17FF
1-123(0x7B)
Response
8 7 6 5
C
1
Modbus TCP
Data
0x10
0x03
0xE8
0x00
0x02
4 3 2 1
5
3
13
0