v i i i10.3.3 The Predefined Connection Set .................................................... 10-1810.4 Sending SDO, NMT and Reading Emergency Message throughthe Ladder Diagram ................................................................ 10-2010.4.1 Data Structure of SDO Request Message ....................................... 10-2010.4.2 Data Structure of NMT Message ................................................... 10-2310.4.3 Data Structure of EMERGENCY Request Message ............................ 10-2410.4.4 Example of Sending SDO through the Ladder Diagram .................... 10-2610.5 Troubleshooting ............................................................................ 10-2810.5.1 CANopen Network Node State Display .......................................... 10-2810.6 Application Example ...................................................................... 10-3110.7 Object Dictionary........................................................................... 10-39Chapter 11 CPU Module Operating Principles11.1 CPU Module Operations ................................................................... 11-211.1.1 Procedure ................................................................................... 11-211.1.2 I/O Refreshing and Communication Service ..................................... 11-311.2 CPU Module Operating Modes .......................................................... 11-311.2.1 Operating Modes .........................................................................11-311.2.2 Status and Operation under Different Operating Modes ..................... 11-4Chapter 12 Troubleshooting12.1 Troubleshooting .............................................................................. 12-312.1.1 Basic troubleshooting steps ........................................................... 12-312.1.2 Clear the Error States .................................................................. 12-312.1.3 Troubleshooting SOP .................................................................... 12-412.1.4 Viewing System Log and Error Step ................................................ 12-512.2 Troubleshooting for CPU Modules .................................................... 12-712.2.1 ERROR LED Indicators Are ON ....................................................... 12-712.2.2 ERROR LED Indicators Blinking Every 0.5 Seconds............................ 12-712.2.3 ERROR LED Indicators Blinking Rapidly Every 0.2 Seconds................. 12-912.2.4 ERROR LED Indicators Slow Blinking Every 3 Seconds and Lighting up for1 Second .................................................................................... 12-912.2.5 BAT. LOW LED Indicators Are ON ................................................... 12-912.2.6 BAT. LOW LED Indicators Blinking Every 0.5 Seconds ....................... 12-912.2.7 The LED RUN and ERROR Indicators are Blinking Simultaneously Every0.5 Seconds .............................................................................. 12-1012.2.8 The RUN and LED Indicators are Blinking One After Another Every0.5 Seconds. ............................................................................. 12-10
