SMC Networks EX510-GPR1 Series Operation Manual page 58

Condition C
The information
about input
Check the condition
equipment can not
be recognized
A fielfbus system
comes to operate
normally
Condition D
Check the condition
∗: Some types of output equipment do not have LED display. For such equipment, check the Output unit voltage to judge if it is normal
or not.
Trouble No.1
Trouble Possible cause
Incorrect branch
cable connection
Incorrect output
PWR LED of
power supply
unit goes off
connection
Output power supply
failure
During check
DIA LED Light up
of GW unit
After check
GW unit comes to
operate normally.
⇒To Condition D
LED for power
supply of input unit
of Input unit
Display LED
corresponding to
input signal goes off
or mis-light up
Input unit comes
to operate
Refer to trouble
Investigation method of cause
Confirm there is no breakage, incorrect
connection and looseness at connecting
part of the branch cable.
There is no incorrect connection
between GW unit power supply and
Output unit power supply connector.
Confirm the condition of output power
supply.
A port COM LED
to show the
connection with low
side goes off
GW unit fails.
Refer to trouble
goes off
Refer to trouble
Input unit comes to
operate normally.
⇒A fieldbus system
comes to operate
normally
normally.
No.12
-57-
Refer to trouble
No.7
No.10
No.11
Solution
Fix the connection of the branch
cable.
Fix connection.
Supply 24 VDC +10%/-5% for
GW unit power supply and
Output unit power supply.
No.EX##-OMI0032-C