22
Troubleshooting (continued)
PROFIBUS DP compatible communication
1
BF LED is
lights up
•Check the signal line from PLC is correctly
connected.
•Check the wiring and pin numbers.
•Check the address setting is correct.
•Check the connecting condition of the terminating
resistor.
•Check the number of input/output is set correctly.
2
DIA LED is
lights up
•Check the power for output (24 VDC) is powered
at a specified voltage.
•Check the power supply voltage for output is
above 20 V.
•Check the input unit is connected after the input
port.
No.
Item
Remedy/ Disposal
∗
: Refer to "Operation Manual" for detail of troubleshooting.
