CTI 2572-A Installation and Operation Guide
54
6.4. Modbus Exception Codes
The following Modbus Exception codes may be returned to the Modbus Client in case of an error.
Code
Name
Description
01
Illegal Function
Unsupported Function code
02
Illegal Data Address
Requested data address not included in the PLC configuration
03
Illegal Data Value
Typically indicates a problem in the query structure
04
Slave Device Failure
Unrecoverable error occurred while processing the request
6.5. Diagnostic Statistics
A full set of diagnostic statistics is maintained for the Modbus/TCP server. These may be accessed by
a web browser by setting the URL to the IP address of the module. From the main menu page, select
Module Diagnostics and the Modbus/TCP Server.
Содержание 2572-A
Страница 8: ......
Страница 16: ......
Страница 28: ......
Страница 32: ......
Страница 60: ......
Страница 84: ......
Страница 96: ......
Страница 104: ...CTI 2572 A Installation and Operation Guide 96 WX WY Quick Reference...
Страница 112: ......
Страница 116: ......
Страница 126: ......
Страница 130: ...CTI 2572 A Installation and Operation Guide 122 WX WY Quick Reference...