Panasonic FP3

FP3 MEWNET-TR
Chapter7-3. Page.113
109
2) Troubleshooting on master B
J
When the ALARM LED is ON
<
Error condition:
There is probably an abnormality in the FP3 transmitter master unit of master B.>
Turn the power of the FP3 transmitter master unit OFF then ON again.
x If the ALARM LED is still ON, please contact your dealer.
J
When the COM. LED is OFF
<
Error condition:
Master B is not communicating with
master A.>
Check the wiring and look for looseness of
terminal screws.
Check the transmission cable for correct wiring.
x See page 43 about wiring with transmission
cable.
If there is a break in the transmission cable,
change the cable.
J
When the COM. LED is ON
<
Error condition:
Master B h as not communicated
with master A since the power was
turned ON.>
Set operation mode selector No. 1 of master A to
OFF.
x When the setting is changed, turn the power
OFF and then ON again.
Check the wiring and look for looseness of
terminal screws.
Check the transmission cable for correct wiring.
x See page 43 about wiring with transmission
cable.
If there is a break in the transmission cable,
change the cable.
3) When I/O data cannot be exchanged accurately even though the LED status is normal
Make sure the program and I/O allocation correspond.
Check the I/O allocation pattern of master A and B.
x See page 79 for details about the I/O allocation pattern of the I/O link function.
Correct the program so that one relay is not used for two or more output (OT) instructions.
7-3. I/O Link Control When an Error Occurs