Cc-Link Diagnostics - Mitsubishi Electric NZ2FTGN User Manual

When the following LEDs turn on in red
• Power supply LED
• Input power supply LED 3.2
• Output power supply LED 4.2
• Input power supply internal protection circuit LED 3.4
• Output power supply internal protection circuit LED 4.4
Check the following item.
Item
Is the voltage of the external power supply
(24VDC) within the specified range?
The LED status can also be checked on the Web server. ( Page 70 "Overview")

CC-Link diagnostics

GX Works3 or GX Works2 can be used to check the status of the CC-Link system at the master station.
Diagnostic function name
Line test
Check of transmission speed setting
Data link stop and reset
For details on CC-Link diagnostics of each master modules, refer to the following.
• RJ61BT11:  MELSEC iQ-R CC-Link System Master/Local Module User's Manual (Application)
• QJ61BT11N:  CC-Link System Master/Local Module User's Manual (Details)
• FX5-CCL-MS:  MELSEC iQ-F FX5 User's Manual (CC-Link)
Action
The power supply voltage is less than 18VDC. Set the voltage value within the range of performance
specifications.
If the problem persists, the possible cause is an internal fuse failure. Replace the NZ2FT-BT.
Description
Checks if the CC-Link dedicated cable is connected correctly and data link with the NZ2FT-BT is possible.
During the line test, do not set the transmission speed of the NZ2FT-BT to auto-tracking, but set it to the same
setting as the master station.
The NZ2FT-BT responds to the request of the master station.
Checks that the transmission speed setting of the NZ2FT-BT is the same as that of the master station.
The NZ2FT-BT responds to the request of the master station.
Stops and resets the NZ2FT-BT data link.
The NZ2FT-BT responds to requests to stop and reset the data link of the master station.
8 NZ2FT-BT
165
8.9 Troubleshooting
8