Ethernet/Ip - Grundfos CIM 500 Montage- Und Betriebsanleitung

6.3 EtherNet/IP

You can detect faults in a module by observing the
status of the two status LEDs.
The prerequisite is that CIM 500 is fitted in a
Grundfos product or in a CIU 500.
6.3.1 Both LEDs remain off
Both LEDs remain off when the power supply is connected.
Cause
The module is fitted incorrectly in the Grundfos
product.
The module is defective.
CIU 500 is defective.
6.3.2 LED1 is off
Cause
SW1 is not set correctly.
6.3.3 LED2 is flashing red
Cause
No internal communication between the module and
the Grundfos product.
No internal communication between CIU 500 and the
Grundfos product.
6.3.4 LED2 is permanently red
Cause
The module does not support the connected
Grundfos product.
6.3.5 LED1 is flashing red
Cause
Connection time-out.
6.3.6 LED1 is permanently red
Cause
IP address conflict.
SW1 is in illegal position.
6.3.7 LED1 is permanently red and green at the same time
Cause
Error in firmware download.
Ensure that SW1 is in position "3".
Remedy
• Check that the module is fitted and connected
correctly.
• Replace the module.
• Replace CIU 500.
Remedy
• Set the switch to "3".
Remedy
• Check that the module is fitted correctly in the
Grundfos product.
• Check the cable connection between the Grundfos
product and CIU 500.
• Check that the individual conductors are connected
correctly, for example, not reversed.
• Check the power supply to the Grundfos product.
Remedy
• Contact the nearest Grundfos company.
Remedy
• Verify the connection and communication between
PLC and CIM 500.
Remedy
• Check the IP address configuration.
• Check that SW1 is set to "3".
Remedy
• Use the webserver to download the firmware again.
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