Plc Address Mapping - ICP DAS USA ZT-2017 User Manual

6.3.2

PLC Address Mapping

Function Code Description
0x01
0x02
0x03
0x04
0x05
0x06
0x0F
0x46
If the function specified in the message is not supported, then the module
responds as below. Note that the address mapping for the Modbus protocol
is Base 0.
Error Response
Number Description
00 Address
01 Function Code
02 Exception Code
Note: If a CRC mismatch occurs, the module will not respond.
ICP DAS, ZT-2017 and ZT-2017C AI Series User Manual, Version 1.0.1
Copyright © 2012 by ICP DAS Co., Ltd. All Rights Reserved.
Reads the Coils
Reads discrete Inputs
Reads Multiple Registers
Reads Multiple Input Registers
Writes a Single Coil
Writes Multiple Registers
Writes Multiple Coils
Reads/Writes the Module Settings
Length Value
1 1 to 247
1 Function code + 0x80
1 01
Section
6.3.3
6.3.4
6.3.5
6.3.6
6.3.7
6.3.8
6.3.9
6.3.10
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