YASKAWA V1000 Installation Manual page 36

L.RUN SD RD
× ×
× ×
× ×
Note: 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 CC-Link Option 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, indicated that the master device is operating normally.
Figure 16
Power
CPU
supply
Figure 17 Connecting Multiple Drives on the Same Network
YASKAWA ELECTRIC TOBP C730600 22B V1000 Option CC-Link Installation Manual
L.ERR
×
Problem with the hardware
Data cannot be received (CC-Link
× ×
communications cable may be
disconnected)
The station address or
∗
communications speed is set
incorrectly
The station address or
communications speed was
changed without cycling power
afterwards.
Master
device
: Flashing / ×: Off / ∗: Either on or off
: On /
Cause
⇒Try cycling the power.
Replace the CC-Link Option if the
problem continues.
⇒Check the wiring.
⇒Enter the proper settings and cycle
power.
⇒Return any incorrect settings to their
original values and cycle
power.⇒Enter the proper settings and
cycle power.
Station 1
DRIVE
CC-Link
Option
9 Troubleshooting
Possible Solution
Station 2
DRIVE
CC-Link
Option
Station 3
DRIVE
CC-Link
Option
37