16-1 
Chapter 16 Remote I/O Module 
AHRTU-ETHN-5A 
 
 
Table of Contents 
16.1  Introduction to AHRTU-ETHN-5A ......................................................... 16-2 
16.1.1  Function ........................................................................................ 16-2 
16.1.2  Specification ................................................................................. 16-2 
16.2  Parts of AHRTU-ETHN-5A ................................................................... 16-4 
16.2.1  Profile and Dimensions ................................................................. 16-4 
16.2.2  Parts ............................................................................................. 16-4 
16.2.3  Ethernet Connector....................................................................... 16-5 
16.2.4  IP Address Switch ......................................................................... 16-5 
16.3  Installation of AHRTU-ETHN-5A .......................................................... 16-5 
16.3.1  Installed to Backplanes ................................................................. 16-5 
16.3.2  Modules Supported....................................................................... 16-8 
16.4  Devices in AHRTU-ETHN-5A ............................................................... 16-9 
16.4.1  MODBUS Addresses .................................................................... 16-9 
16.4.2  Status Register (SR) ................................................................... 16-10 
16.4.3  RTU Input Register ..................................................................... 16-11 
16.5  Software ............................................................................................. 16-12 
16.5.1  ISPSoft ....................................................................................... 16-12 
16.5.2  EIP Builder .................................................................................. 16-12 
16.6  CIP Object .......................................................................................... 16-26 
16.7  Trouble Shooting ................................................................................ 16-26 
16.7.1  Error Type ................................................................................... 16-26 
16.7.2  Error Codes and Trouble-shooting .............................................. 16-27 
16.7.3  Indicator Status ........................................................................... 16-29