Delta AS Series Programming Manual page 709

AS Ser ies Pro gra mm in g M anu al
4. Due to the fact that the FROM instruction decreases the execution efficiency of both the CPU module and the I/O
module, it is suggested that you use the pulse type instruction to perform a single trigger as in the example shown
above.
5. If there is any error response from the modules, the instruction stores the error code in D
descriptions shown in the following table.
Error code
16#1400
16#1401
16#1402
_6
6-430
Attempted to read the data from the control register (CR) in the module but no such CR
number exists.
The value is not valid for the module.
The module is not responding, communication timeout.
. The error code
2
Description