WISE-4000 User Manual 94
A.1 Modbus Function Code Introduction
To full-fill the programming requirement, there is a series of function code standard
for user’s reference.
A.2 WISE-4010/LAN Modbus Mapping Table
Address (0X):
Code (Hex) Name Usage
01 Read Coil Status Read Discrete Output Bit
02 Read Input Status Read Discrete Input Bit
03 Read Holding Registers
Read 16-bit register. Used to read integer or
floating point process data.
04 Read Input Registers
05 Force Single Coil Write data to force coil ON/OFF
06 Preset Single Register Write data in 16-bit integer format
08 Loopback Diagnosis Diagnostic testing of the communication port
0F Force Multiple Coils Write multiple data to force coil ON/OFF
10 Preset Multiple Registers Write multiple data in 16-bit integer format
Address (0X) Channel Description Attribute
00017 0
DO Value
Read/Write
00018 1 Read/Write
00019 2 Read/Write
00020 3 Read/Write
00101 0
Reset Historical
Maximum AI Value
Write
00102 1 Write
00103 2 Write
00104 3 Write
00105 Average Ch 0~3 Write
00111 0
Reset Historical Min. AI Value
Write
00112 1 Write
00113 2 Write
00114 3 Write
00115 Average Ch 0~3 Write
00121 0
Open-Circuit Flag (Burnout)
Read
00122 1 Read
00123 2 Read
00124 3 Read
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