Yaskawa DeviceNet Option Card CM059 - Manual (Page 18)

18
Option Indication LEDs
The table below describes the function of DeviceNet specific LEDs.
Table 11: DeviceNet LED Function
LED
Name
Display
Operation Status Description
Color Status
MS
Green Lit During option operation The option is operating normally.
Green Flashing During option preparation Initial setting status or communication is not ready.
Red Lit
Recovery from fault
impossible
Impossible recovery fault occurred in the option.
Red Flashing Recovery from fault possible Possible recovery fault such as switch settings occurred.
－ Not lit Power OFF
Power is not being supplied to the drive.
the option has not been properly connected. Therefore, the
power is not being supplied to the option.
NS
Green Lit
Online communication is
taking place
DeviceNet is communicating normally.
Green Flashing
Online communication is not
taking place. DeviceNet network is normal, but is not communicating
with the master.
Red Lit Communication fault
A fault that makes it impossible for the DeviceNet to
communicate has occurred.
„ MAC ID overlap
„ Bus-off detection
Red Flashing Communication timeout Communication time out with master occurred.
－ Not lit Offline, Power OFF
DeviceNet is not set to online.
Power is not being supplied to the option.
Mismatch of baud rate.
PWR
Green Lit Power ON Power to the option is supplied from the drive.
－ Not lit Power OFF
Power is not being supplied to the drive.
The option has not been properly connected. Therefore, the
power is not supplied to the option.
WD
Green Flashing During CPU operation CPU of the option is operating normally.
Red Lit CPU fault Option CPU is being ready or has fault.
－ Not lit Power OFF
Power is not being supplied to the drive.
The option has not been properly connected. Therefore,
power is not being supplied to the option.
Notes:
1) If the baud rate configuration is set for “Not Allowed”, both the NS and MS diagnostic LEDs will be solid RED.
2) The LEDs will flash red once (100 ms) during initialization (Internal testing process to verify that the red LED is working properly).