Checking the wiring state (For optical loop system only)
Check if the optical fiber cable is connected correctly in [Loop test] of GX Developer. For the GX Developer operation method, refer to the following manual.
Q Corresponding MELSECNET/H Network System Reference Manual (PLC to PLC network)
(2)Check the [Receive direction error station] (The display example on GX Developer Version 8) Startup procedure
GX Developer 
[Diagnostics] 
[MELSECNET (II)/10/H diagnostics] 
Loop test
1
PREPARATORYFORPROCEDURESMONITORING 2
RANGESETBE
DEVICE CANTHAT 3
RANGEACCESS MONITORINGFOR 4
MONITORTOREDUNTANTSYSTEM HOW 5
CONNECTIONBUS 6
DIRECTTOCONNECTIONCPU 7
LINKCOMPUTER CONNECTION 8
ETHERNETCONNECTION
1. PREPARATORY PROCEDURES FOR MONITORING | 1 - 51 |
1.6 Checking for Normal Monitoring |
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