Overview

TwinCAT ADS-Return-Codes

Hex

Decimal

Source

0x00000000-0x00007800

0-30720

TwinCAT system error codes

0x00008000-0x000080FF

32768-33023

Internal TwinCAT Modbus TCP

0x80070000-0x8007FFFF

2147942400-2148007935

Error source = error code - 0x80070000 = Win32 system error code

TwinCAT Modbus TCP return code

Function-specific ADS return code

Decimal

Possible cause

0x8001

32769

Modbus function not implemented

0x8002

32770

Invalid address or length

0x8003

32771

Invalid parameters: incorrect number of registers

0x8004

32772

Modbus server error

Requirements

Development environment

Target system type

PLC libraries to be linked

TwinCAT v3.0.0

PC or CX (x86)

Tc2_ModbusSrv