Yaskawa 1000 Series Drive Option - Profibus-DP Installation - Manual (Page 11)

4 Option Components
YASKAWA ELECTRIC TOBP C730600 42C 1000-Series Option SI-P3 Installation Manual 11
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Option LED Display
The option has four bicolor, red/green LEDs to relay information about power,
communication status, and errors.
The operational states of the LEDs after completion of the power-up diagnostic process are
described in Table 5 . Wait at least 2 seconds for the power-up diagnostic process to complete
before verifying the states of the LEDs.
Table 4 Option LED States
LED
Display
Operating
Status
Remarks
Color Status
RUN
(Power)
Green
ON
Power supply
ON Power is supplied to the option, and the option hardware
self-diagnostics check is complete.
OFF
Power supply
OFF
• The drive has no power supply.
• Option and drive are not connected properly and/or no
power is supplied to the option.
• An internal, self-diagnostic error occurred in the option.
ERR
(Option Error)
Red
ON Option error Self-diagnostics error occurred in the option.
Flashing
Drive connection
error
Connection error between option and drive. This includes
node address setting errors to parameter F6-30 on the drive
side.
OFF
Normal
operation
Drive and option are properly connected.
COMM
(Communication
Status)
Green
ON
Communication
connected Normal send/receive between the option and the
PROFIBUS-DP master.
OFF
No data
exchange There is a problem establishing communication between
the option and the PROFIBUS-DP master.
BF
(PROFIBUS-DP
Error)
Red
ON
Waiting for
communication
procedure setting
Communication-related parameters are in the process of
being set or initialized by the PROFIBUS-DP master.
Flashing
Communication
setting error Communication parameter error from PROFIBUS-DP
master.
OFF
Normal
operation LED shuts off when the PROFIBUS-DP master is finished
setting communication-related parameters.