
16 (70)
5
Modbus-TCP Functions
The following Modbus-TCP functions are implemented in the module:
#
Function
1
Read Coils
2
Read Discrete Inputs
3
Read Holding Registers
4
Read Input Registers
5
Write Single Coil
6
Write Single Register
15
Write Multiple Coils
16
Write Multiple Registers
23
Read/Write Multiple Registers
43/14
Read Device Identification
Exception Codes:
Code
Name
Description
0x01
Illegal function
The function code in the query is not supported
0x02
Illegal data address
The data address received in the query is outside the initialized memory
area
0x03
Illegal data value
The data in the request is illegal
See also...
Modbus Host Object (FAh), p. 41
Anybus
®
CompactCom
™
40 Modbus-TCP
®
Transparent Ethernet Network Guide
SCM-1202-022 1.1