289
Auxiliary Area and CIO Area Allocations (Modbus-RTU Slave Mode) Section 9-3
Writing 10 Bits Starting
from CIO 0001.04
(xxxx xx11 1100 1101)
Note The subscript numbers in the shaded boxes indicate the ON/OFF (1/0) status
of the bits that are written. Other bits in the same word are set to 0.
Write Multiple Registers
Function Writes multiple words in the DM or EM Area of I/O memory.
Command
Note N = Number of write bytes
Response
Writing 3AC5, 9713 Hex
to 2 Words, D1000 and
D1001
Request Response
Data Data
Function Code 0F hex Function Code 0F hex
Starting Address (H) 00 hex Starting Address (H) 00 hex
Starting Address (L) 14 hex Starting Address (L) 14 hex
Quantity of Output (H) 00 hex Quantity of Output (H) 00 hex
Quantity of Output (L) 0A hex Quantity of Output (L) 0A hex
Byte Count 02 hex
Output Value (H) 3A hex
Output Value (L)
01 hex
1514131211109876543210
CIO 01514131211109 8 7 6 5 4 3 2 1 0
CIO 1 31
0
30
0
29
0
28
1
27
0
26
0
25
1
24
1
23
1
22
0
21
1
20
0
19
0
18
0
17
0
16
0
Length Data
Function Code 1 byte 10 hex
Starting Address 2 bytes 0 to 7FFF hex
Quantity of Registers 2 bytes 1 to 7B hex
Byte Count 1 byte N × 2 (See note.)
Registers Value N × 2 bytes value
Length Data
Function Code 1 byte 10 hex
Starting Address 2 bytes 0 to 17FF hex
Quantity of Registers 2 bytes 1 to7B hex
Request Response
Data Data
Function Code 10 hex Function Code 10 hex
Starting Address (H) 03 hex Starting Address (H) 03 hex
Starting Address (L) E8 hex Starting Address (L) E8 hex
Quantity of Registers (H) 00 hex Quantity of Registers (H) 00 hex
Quantity of Registers (L) 02 hex Quantity of Registers (L) 02 hex
Byte Count 04 hex
Registers Value (H) 3A hex
Registers Value (L)
C5 hex
Registers Value (H)
97 hex
Registers Value (L)
13 hex
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