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3-3
3-1-3 Operation Indicators
The CompoBus/D Communications Card has 4 operation indicators that show the status of the power
and communications as described in the following table.
Indicator
Display
Meaning
Color Status
PWR
Green Lit Power is being supplied from the Inverter to the Card.
--- Not lit Power is not being supplied from the Inverter.
The Card is not connected properly and power is not being supplied to it.
MS Green
Lit The Card is operating normally.
Flashing Initial settings or necessary preparations for communications are incom-
plete.
Red
Lit A fatal error (hardware error) has occurred in the Card.
Flashing A non-fatal error, such as a switch setting error, has occurred.
--- Not lit Power is not being supplied from the Inverter.
The Card is not connected properly and power is not being to supplied to it.
NS Green
Lit The CompoBus/D Network (DeviceNet) is operating normally.
(Communications connection established.)
Flashing The Network is normal, but the communications connection with the Master
Unit is not established.
Red
Lit A fatal communications error has occurred.
A CompoBus/D communications error was detected caused by node ad-
dress duplication or Bus OFF. (These errors make communications impos-
sible.)
Flashing A non-fatal communications error has occurred due to communications
timeout.
--- Not lit A CompoBus/D Network error has occurred. For example, the Network
does not exist, power is not supplied to the Card, or the baud rates do not
match.
WD
Green Flashing The CPU Unit of the Card is operating normally.
Red Lit The CPU Unit of the Card is not ready or the CPU Unit has malfunctioned.
--- Not lit Power is not being supplied from the Inverter.
The Card is not connected properly and power is not being to supplied to it.
Note When both of the baud rate setting pins DR0 and DR1 are set to ON, both the MS and NS will be lit
in red.
Setup and Wiring Chapter 3