User manual
IEC61131 User and Reference Manual 
April 22, 2008     
146 
ain5503 
Analog input module 5503 
Description 
The ain5503 I/O module provides four I/O channels from 5503 RTD Analog input hardware. 
Data for each of the four 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 
5503 RTD Analog input hardware. 
Set the ain5503 module_address to match the address switches on the 5503 RTD Analog 
input hardware. 
I/O Connection 
Module address 
This module is assigned a unique module address between 0 
and 15. No other analog input-type module may use this 
module address. 
Library type 
IO board 
Data type 
Integer / real 
Channel type 
Input 
Number of channels 
4 
Notes 
Refer to the 5503 RTD Analog Input Module User Manual for further information. 










