Mitsubishi Electric CC-Link IE-NZ2GNSS2-16DTE, Руководство пользователя

Страница: 110 / 170

108
10 TROUBLESHOOTING
10.2 Checking the LEDs
When the SAFETY LED turns off
When the SAFETY LED turns off, check the following items.
When the ERR. LED turns on or flashes
When the ERR. LED turns on or flashes, check the following items.
When the L ER LED turns on
When the L ER LED turns on, check the following items.
Check item Action
Have parameters been set to the safety remote I/O module? Set parameters to the safety remote I/O module. (

Page 57 Parameter
Setting)
If the parameters are changed, configure the safety communication setting
and safety module validation again.
Has the safety communication setting been configured? Configure the safety communication setting. After configuring the setting,
perform "Write to PLC". For details on the safety communication setting, refer
to the following.
 User's manual for the master station used
Has the safety module validation been performed? Perform the safety module validation using the engineering tool. (

Page
65 Safety Communication Setting)
Has the safety station interlock of the CPU module been canceled? Fully check wiring and connection, and cancel the safety station interlock of
the CPU module. For the safety station interlock, refer to the following.

User's manual for the master station used
Has any error occurred? Identify the error factor of the safety remote I/O module with the engineering
tool and take corrective actions. (

Page 116 Method for Checking Error
Codes)
Check item Action
Has any error occurred? Identify the error factor of the safety remote I/O module with the engineering
tool and take corrective actions. (

Page 116 Method for Checking Error
Codes)
Check item Action
Are Ethernet cables used compliant with the relevant standard? Replace the cable with an Ethernet cable compliant with the standard of
communication specifications used.
 User's manual for the master station used
Is the station-to-station distance 100m or less? Change the station-to-station distance to 100m or less.
Is any Ethernet cable disconnected? Replace the Ethernet cable.
Does the switching hub in use normally operate? • Check that the power supply of the switching hub is turned on.
• Check that the switching hub compliant with the communication
specifications in use is used.
Are other stations connected to the safety remote I/O module normally
operating? Check that the power supplies of the other stations are turned on.
Is the mode of a module on the master station set to other than Online? Change the mode of the module to Online.
Is there any noise affecting the system? Check the status of wiring.
Is the network topology setting of the master station set to ring topology? Check for the PORT where the L ER LED is on, and properly re-connect it in
ring topology.