xiv 
Station.. ………………………………………………………………15-22 
15.5  Sending SDOs and NMT, and Reading Emergencies by Functions Blocks
………………………………………………………………………………15-23 
15.5.1  Principle...................................................................................... 15-23 
15.5.2  Sending an SDO Command ....................................................... 15-24 
15.5.3  Sending an NMT Command ....................................................... 15-27 
15.5.4  Reading Emergency Messages .................................................. 15-29 
15.5.5  Obtaining the States of the Slave Stations on a CANopen Network .... 
 ................................................................................................... 15-32 
15.6  Error Diagnostics and Troubleshooting .............................................. 15-35 
15.6.1  LED Indicators and Troubleshooting .......................................... 15-35 
15.6.2  Error Codes ................................................................................ 15-36 
Chapter 16 Remote I/O Module AHRTU-ETHN-5A 
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