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ICP DAS USA tGw-735 - 0 X10) Preset Multiple Registers (Write Aos)

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Tiny Modbus/TCP to RTU/ASCII Gateway
Copyright © 2020 ICP DAS CO., Ltd. All Rights Reserved. - 99 -
16(0x10) Preset Multiple Registers (Write AOs)
This function code is used to set multiple holding registers that are used to store the configuration
values.
[Request]
Byte
Description
Size
Value
00
Net ID (Station Number)
1 Byte
1 to 247
01
Function Code
1 Byte
0x10
02-03
Starting AO Address
2 Bytes
Refer to the Modbus address depends on your slave
device for more details.
Byte 02 = high byte
Byte 03 = low byte
04-05
Number of 16-bit Registers
(Channels)
2 Bytes
Word Count.
Byte 04 = high byte
Byte 05 = low byte
06
Byte Count
1 Byte
n =Points x 2 Bytes
07
Register Values
n Bytes
Register Values.
n= 2; Byte 03 = high byte
Byte 04 = low byte
.......
n= m; Byte 03 = high byte
Byte 04 = low byte
.......
Byte m+1 = high byte
Byte m+2 = low byte
[Response]
Byte
Description
Size
Value
00
Net ID (Station Number)
1 Byte
1 to 247
01
Function Code
1 Byte
0x10
02-03
Starting AO Address
2 Bytes
The value is the same as Bytes 02-03 of the
Request
04-05
Number of 16-bit Registers
(Channels)
2 Bytes
The value is the same as Bytes 04-05 of the
Request
[Error Response]
Byte
Description
Size
Value
00
Net ID (Station Number)
1 Byte
1 to 247
01
Function Code
1 Byte
0x90
02
Exception Code
1 Byte
Refer to the Modbus Standard Specifications for
more details.

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