Delta AS Series Programming Manual page 166

20. Flags and registers concerning data exchange
 Flags for data exchange through COM1 connections
SM
SM750
SM752–SM783
SM784–SM815
SM816–SM847
 Flags for data exchange through COM2 connections
SM
SM862
SM864–SM895
SM896–SM927
SM928–SM959
 Registers for data exchange through COM1 and COM2 connections
SR
SR1335
SR1336
SR1340–SR1371
SR1375
SR1376
SR1380–SR1411
The error codes 1–7 are the standard response error codes of the Modbus protocol. Error code 9 means timeout.

Flags for data exchange through Funciton Card 1 and Funciton Card 2
(available for firmware V1.06.00 or later)
SM
SM1710
SM1712 ~ SM1743
SM1744 ~ SM1775
SM1776 ~ SM1807
SM
SM1822
SM1824 ~ SM1855
SM1856 ~ SM1887
SM1888 ~ SM1919
Type
R/W Data exchange through COM1 enabled by ISPSoft.
R/W
Connection 1–32 through COM1 for data exchange started.
R
Data received through COM 1 connection 1–32 for data exchange.
R Error in the COM1 connection 1–32 for data exchange.
Type
R/W Data exchange through COM2 enabled by ISPSoft.
R/W
Connection 1–32 through COM2 for data exchange started.
R
Data received through COM2 connection 1–32 for data exchange.
R Error in the COM2 connection 1–32 for data exchange
Actual cycle time of connection 1–32 for data exchange through COM1
Number of the connection that is currently performing a cyclical data exchange
through COM1
Error code for data exchange through the COM1 connection 1–32
Actual cycle time of connection 1–32 for data exchange through COM2
Number of connection that is currently performing a cyclical data exchange
through COM2
Error code for data exchange through the COM2 connection 1–32
Type
R/W Data exchange through Function Card 1 enabled by ISPSoft
R/W Connection 1-32 for data exchange through Function Card 1 started
R
Successful data exchange connection 1-32 through Function Card 1
R Error in data exchange connection 1-32 through Function Card 1
Type
R/W
Data exchange through Function Card 1 enabled by ISPSoft
R/W
Connection 1-32 for data exchange through Function Card 1 started
R Successful data exchange connection 1-32 through Function Card 1
R Error in data exchange connection 1-32 through Function Card 1
Cha p ter 2 De vices
Function
Function
Function
Function Card 1
Function Card 2
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