User manual

IEC61131 User and Reference Manual
April 22, 2008
169
din5421
Digital input module 5421
Description
The din5421 I/O module provides eight I/O channels from 5421 Toggle Switch Digital Input
hardware. Data for each of the eight I/O channels may be connected to user-defined
variables with the I/O connection editor. Connected variables are updated continuously with
data from the digital inputs.
Set the din5421 module_address to match the address switches on the 5421 Toggle Switch
Digital Input hardware.
I/O Connection
Module address
This module is assigned a unique module address between 0
and 15. No other digital input-type module may use this module
address.
Library type
IO board
Data type
Boolean
Channel type
Input
Number of channels
8
Notes
Refer to the 5421 Toggle Switch Input Module Manual for further information