iS7 Ethernet Option Manual
39
(3) Ethernet IP Lost Command Status
If there is no Implicit Message Connection (Class1 Connection) between
the Originator (PLC or Client) and Target (Inverter), the Option becomes
Lost Command status, and after the time set up in the PRT-13, the
Inverter operates according to the settings in the PRT-12.
13. LED Information and Troubleshooting
iS7 Ethernet communication card has 4 LEDs which show the status of
the protocol. These LED functions differ by the present Ethernet Protocol.
Ref.) 4. Appearance and Installation of Ethernet Option
(1)
Ethernet Communication Status LED
(2)
Modbus TCP LED and Troubleshooting
LED
Color
Function and Troubleshooting
LED1
(CPU)
Green
Flashing -
the iS7 Ethernet communication card
is supplied with correct power, and the
Modbus/TCP communication card CPU operates
normally.
OFF -
the CPU is not supplied with power.
Reinstall the card.
LED
Color
Function and Troubleshooting
LED3
(Speed)
Green
ON -
communication speed is 100Mbps.
OFF -
communication speed is 10Mbps.
LED2
(Link)
Green
ON - ready for communication
.
OFF -
Link LED is OFF if the communication cable
has a problem. Check up the communication
cable.
Green
LED3
2Color
LED2
2Color
LED1
Green
LED4
