YASKAWA SI-P3/V Installation Manual page 15

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PROFIBUS-DP Option LED Display
Display
LED
Color Status
RUN
Green
(Power)
ERR
Red
(Option Error)
COMM
(Communication Green
Status)
BF
(PROFIBUS-DP Red
Error)
LED
RUN ERR COMM BF
× × × ×
YASKAWA ELECTRIC TOBP C730600 23C 1000-Series Option SI-P3/V, SI-P3/T Installation Manual
Table 4 LED Display
Communication
Status
ON Power is on
OFF Power is off
PROFIBUS-DP
ON
Option error
Drive connection
Flashing
error
OFF Normal operation Drive and PROFIBUS-DP Option are properly connected
Communication
ON
connected
OFF No data exchange
Waiting for
ON communication
procedure setting
Communication
Flashing
setting error
OFF Normal operation
Table 5 Understanding LED Display
Communication
Status
The drive has no power
PROFIBUS-DP Option is
No power
not properly connected to
the drive, and therefore is
not receiving enough
power
4 PROFIBUS-DP Option Components
Power is being properly supplied to PROFIBUS-DP Option,
and PROFIBUS-DP Option has completed its hardware self-
diagnostics check
• The drive has no power supply
• PROFIBUS-DP Option and drive are not connected
properly and/or there is no power supplied to the
PROFIBUS-DP Option
• An internal, self-diagnostic error occurred in the
PROFIBUS-DP Option
Self-diagnostics error occurred in the PROFIBUS-DP
Option
Connection error between PROFIBUS-DP Option and drive.
This includes node address setting errors to parameter F6-30
on the drive side
Normal send/receive between PROFIBUS-DP Option and
PROFIBUS-DP master
There is a problem establishing communication between
PROFIBUS-DP Option and the PROFIBUS-DP master
Communication-related parameters are being set or
initialized by the PROFIBUS-DP master.
Communication parameter error from PROFIBUS-DP
master
LED is off once the PROFIBUS-DP master is finished
setting communication-related parameters
Possible Cause
Meaning
Solution
Check all wiring to the drive, then turn
the power on
• Shut the drive off and check that the
PROFIBUS-DP Option is properly
connected
• Turn the power back on again
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