YASKAWA CC-Link SI-C3, Техническое руководство

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9 Troubleshooting
38 YASKAWA SIEP C730600 83E CC-Link Technical Manual
L.RUN SD RD L.ERR Cause Possible Solutions
• See if the master device is actually set to
function as a remote device station.
× ○ × □ Problem with the hardware
• Try cycling the power.
Replace the CC-Link Option if the problem
continues.
× ○ × × Problem with the hardware
• Try cycling the power.
Replace the CC-Link Option if the problem
continues.
× × ○ □
CRC errors occurs when the station address is
checked.
Remove the source of electrical noise interference.
× × ○ ×
• No station address
•
Cannot receive station address due to electrical
noise interference
Remove the source of electrical noise interference.
× × × □ Problem with the hardware
• Try cycling the power.
Replace the CC-Link Option if the problem
continues.
× × × ×
Data cannot be received (CC-Link communications
cable may be disconnected)
Check the wiring.
× × ＊ ○
The station address or communications speed is set
incorrectly.
Enter the proper settings and cycle power.
○ ○ ○ □
The station address or communications speed was
changed without cycling power afterwards.
• Return any incorrect settings to their original
values and cycle power.
• Enter the proper settings and cycle power.
Note:
•
○: ON / □: Flashing / ×: OFF /
＊
: Either ON or OFF
• SD and RD may appear to flash with slower baud rates.
■
Faults when Running Multiple Drives
The example below demonstrates how to read the LED display on the front cover of the drive to determine the
cause of a fault and the corrective action to take when multiple drives are running from the same network. The
example assumes that SW, M/S, and PRM on the master device are all off, indicating that the master device is
operating normally.
Figure 9.3 Connecting Multiple Drives on the Same Network
Table 9.3 LED Fault Display for CC-Link Option with Multiple Drives
LED Status
Cause Possible Solutions
Master
Remote Device Addresses (Option)
Station 1 Station 2 Station 3
TIME LINE ○
TIME LINE ○
or
TIME LINE ×
TIME LINE ○
L.RUN
SD
RD
L.ERR
○
○
○
×
L.RUN
SD
RD
L.ERR
○
○
○
×
L.RUN
SD
RD
L.ERR
○
○
○
×
Normal operation -
L.RUN
SD
RD
L.ERR
×
×
×
×
L.RUN
SD
RD
L.ERR
○
○
○
×
L.RUN
SD
RD
L.ERR
○
○
○
×
The CC-Link Option for Station 1 is not
correctly installed. Make sure that the CC-Link Option and
drive are connected together correctly.
L.RUN
SD
RD
L.ERR
*
*
*
*
L.RUN
SD
RD
L.ERR
○
○
○
×
L.RUN
SD
RD
L.ERR
○
○
○
×
The CC-Link Option for the first station is
damaged. (most often all LEDs are out)
Note:
Sometimes an error will appear on the
drive keypad.
Replace the CC-Link Option.
L.RUN
SD
RD
L.ERR
○
○
○
×
L.RUN
SD
RD
L.ERR
×
＊＊
×
L.RUN
SD
RD
L.ERR
×
*
*
×
Because L.RUN after Station 2 is OFF, either
the communication line between Station 1
and Station 2 is disconnected, or the
connector is loose.
Make sure that the components are
connected correctly, using the LEDs as a
guide to indicate a correct connection.
L.RUN
SD
×
*
L.RUN
SD
×
*
L.RUN
SD
×
*
Communication cable has short-circuited.
Look for any short-circuits along the
communication lines and fix any problems.