Monitoring Data Link Status - Omron CX-PROGRAMMER V9 Operation Manual

PART 2: CX-Server PLC Tools
CHAPTER 10 – Data Links

Monitoring Data Link Status

Monitoring Data Link Status, Such as Communications Cycle Time
1 Select the startup node PLC in the Project workspace.
2 Select Open from the PLC menu to connect online.
3 Select Data Link | Setup.
4 Select Controller Link or SYSMAC LINK, and then click the OK button. The Datalink Component dialog
box will be displayed.
5 Select Online and then Datalink Operation/Status. The Data Link Status dialog box will be displayed.
6 The following items will be displayed in the Network Properties field:
Data link start word, polling node number, communications cycle time, and data link refresh cycle time
PV/maximum value.
The following items will be displayed in the Operational Status field for each node:
CPU Unit error status, data link operation status, CPU unit operation mode, and communications status
Monitoring Data Link Status and Network Error Status from CX-Net
1 While online, open the I/O table window and select either Controller Link or SYSMAC LINK. Right-click
and select the software switch.
2 The following items can be monitored for a particular Controller Link Unit.
CX-Server PLC Tools_Page 132
Tag name
General Displays the words allocated in the CIO and DM Areas.
Error Information Network parameter errors, data link table errors, routing table errors,
PLC setup errors, EEPROM write errors, node address duplication
errors, network parameter verification errors, communications controller
transmission errors, communications controller errors, and error log
Data Link Startup node address, polling node address, and local node data link
participation status
Data link status as seen from each node (PLC operation status, PLC
errors, communications errors, data link participation status, offset
errors, and reception area insufficient or surplus space)
Network Status Network participation status for each node
Status Termination resistance status, power ON status
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