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Mitsubishi Electric MELSEC iQ-R Series User Manual Page 83

Cc-link ie field network waterproof/dustproof remote i/o module (with safety functions).
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When the D LINK LED turns off
Check item
Does the own station in network operate normally?
Are 1000BASE-T-compliant Ethernet cables used?
Is the station-to-station distance 100m or less?
Does the cabling condition (bending radius) meet the specifications?
Is any Ethernet cable disconnected?
Are other stations connected to the safety remote I/O module
normally operating?
Does the switching hub normally operate?
Is a same station number set to both the safety remote I/O module
and any of other stations?
When the D LINK LED flashes
Check item
Does the station number setting of the safety remote I/O module
match the station number of the safety remote I/O module specified in
the network configuration settings of the master station or in the CC
IE Field Configuration?
Does the station type match?
Is the safety remote I/O module a reserved station?
Is the station number setting switch set to other than 1 to 120?
Is stop of the data link checked through CC-Link IE Field Network
diagnostics?
Has the connection been changed to the other master station with a
different network number?
When the L ER LED turns on
Check item
Are Ethernet cables normal?
Does the switching hub in the system normally operate?
Are other stations connected to the safety remote I/O module
normally operating?
Is the mode of the module on the master station set to other than
Online?
Is there any noise affecting the system?
Is the loopback function enabled for the master station?
*1 When the safety remote I/O module is installed in the control panel or steel shelf, the FG metal fitting of the safety remote I/O module
can be connected electrically with them. Thus, if the control panel or steel shelf is not properly grounded, the noise may enter the FG
through the control panel or steel shelf.
Action
Connect the engineering tool to the master station, and then check that a data link is
established in the own station by using CC IE Field diagnostics.
 User's manual for the master/local module used
Replace the cable with a 1000BASE-T-compliant Ethernet cable.
 User's manual for the master/local module used
Change the station-to-station distance to 100m or less.
Refer to the manual for the Ethernet cable used, and correct the bending radius.
Replace the Ethernet cable.
Check that the power supplies of the other stations are turned on.
• Check that a 1000BASE-T-compliant switching hub is used.
 User's manual for the master/local module used
• Check that the power supply of the switching hub is turned on.
Two or more stations use a same station number.
Change the setting so that all the station numbers are different.
Action
Match the station number of the safety remote I/O module with the station number
specified in the network configuration settings of the master station or in the CC IE
Field Configuration.
Match the station type of the safety remote I/O module with the station type specified
in the network configuration settings of the master station or in the CC IE Field
Configuration.
Change the setting of reserved/error invalid station to other than the reserved station
in the network configuration settings of the master station.
Change the setting within the range from 1 to 120.
Check the link status through CC-Link IE Field Network diagnostics and start the link
when the data link is stopped.
• Correct the connection to the previous master station.
• To communicate with the master station with a different network number, switch the
power supply of the safety remote I/O module off and on.
Action
• Check that 1000BASE-T-compliant Ethernet cables are used.
 User's manual for the master/local module used
• Check that the station-to-station distance is 100m or less.
• Check that the Ethernet cables are not disconnected.
• Check that a 1000BASE-T-compliant switching hub is used.
 User's manual for the master/local module used
• Check that the power supply of the switching hub is turned on.
Check that the power supplies of the other stations are turned on.
Change the mode of the module to Online.
• Check the status of wiring.
• Ground the control panel or the steel shelf where a safety remote I/O module is
*1
installed.
When the loopback function is enabled, check that the ring topology is correctly
configured for the PORT where the L ER LED is on.
 User's manual for the master/local module used
10 TROUBLESHOOTING
10.1 Checking the LEDs
10
81

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