Delta AH500 User Manual

Chapter 8 Serial Communication Module AH10/15SCM
8-65
8.8 Error Flags
The error flags and the UD Link statuses are stored in data registers. Users can modify the input
device range by themselves.
Data register
Description
D0
Error code
D1 Hardware failure
D2
An error occurs when the communication protocol for exchanging data
through COM1 is UD Link.
D3
An error occurs when the communication protocol for exchanging data
through COM2 is UD Link.
D4
An error occurs when the communication protocol for exchanging data
through COM1 is Modbus.
D5
An error occurs when the communication protocol for exchanging data
through COM2 is Modbus.
D6 An error occurs when data is exchanged through COM1.
D7
An error occurs when data is exchanged through COM12
D8
Internal communication error
D9
The group which is triggered when the communication protocol for
exchanging data through COM1 is Modbus
D10
The group which is triggered when the communication protocol for
exchanging data through COM2 is Modbus
D11
The command which is executed when the communication protocol for
exchanging data through COM1 is UD Link
D12
The command which is executed when the communication protocol for
exchanging data through COM2 is UD Link
D13
The packet which is sent/received when the communication protocol for
exchanging data through COM1 is UD Link
D14
The packet which is sent/received when the communication protocol for
exchanging data through COM2 is UD Link
D15
Reserved
D16 Reserved
D17
Reserved

Delta AH500 Specifications

General

Brand	Delta
Model	AH500
Category	Controller
Language	English