ICP DAS USA ET-2242, User Manual

Page: 90 / 99

ET-2200 Series Ethernet I/O Modules
Copyright © 2016 ICP DAS CO., Ltd. All Rights Reserved. - 90 -
6.2.8 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 for the ET-2200 series module.
[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 Table ( Section 6.3
Mod us ‘egister
Table ) for the ET-2200 series
module.
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.
ГК Атлант Инжиниринг – официальный представитель в РФ и СНГ
+7(495)109-02-08 sales@bbrc.ru www.bbrc.ru