Panasonic S-LINK V User Manual page 164

Troubleshooting
Check the system configuration.
Check the end unit.
Normal
After starting the sys-
tem, system setting
is carried out.
Yes
Using the mode selection switch of
the controller, switch the mode to the
CHECK mode. (Note 1)
Compare the
actual number of nodes with the number
of recognized nodes shown on the ad-
dress display. (Note 2)
In different number
(shortage)
Check the transmission
indicator of the I/O unit.
On / Off
Check that the power
supplied to each I/O
unit is 21.6V or more.
No
Using the local power supply unit,
supply power to the I/O unit.
Refer to page 24.
Notes: 1) For the control board, it is not necessary to switch the mode.
2) For the control board, the number of recognized nodes in the in-board memory is smaller than the actual number of nodes.
164
Abnormal
Correctly connect the end unit.
Refer to page 18.
No
Carry out system setting.
Refer to page 66 and following
pages. (Note 1)
In same
number
Check the set addresses of
the recognized units.
Abnormal
Check the set I/O unit
Blinking
addresses for double setting. Also check
the set number of I/O control points for an
excessive number.
No problem detected
C h e c k t h e c o n n e c -
Yes
tion conditions of the
cables and connectors.
Abnormally connected
Correct the connection conditions.
Check other than the
Normal
set first address for
double setting.
Problem
detected
Correct the wrong number of I/O
control points or wrong address.
Refer to page 74.
Properly
connected
Replace the controller.
Set the I/O unit addresses not to be
overlapped each other.
Please contact us.
Problem
detected
No
problem
detected