Unit Test - Mitsubishi Electric NZ2GF2B1-16D User Manual

12.4

Unit Test

Run a unit test to check if there is any abnormality in the main I/O module.
Ethernet cable
When completed
When failed
Remark
When unit test fails, the error details can be checked in the error history.
To check the error history, set the station number of the main I/O module and connect the module to the master station with
an Ethernet cable.
For error history, refer to the following.
• Checking by executing a command of the slave station ( Page 235, Section 12.1 (1))
• Error history data  (address: 0A00H to 0AEFH) ( Page 278, Appendix 3 (15))
246
1.
Power off the module.
2.
Connect the PORT1 and PORT2 connectors of the
main I/O module with an Ethernet cable.
3.
Set the station number setting switch as follows.
• x10: TEST
• x1: 0
4.
Power on the module.
5.
Unit test begins.
: On
The MODE LED flashes while the unit test is being
executed.
: Flashing
: Off
6.
The MODE LED turns off when the unit test is
completed.
: On
• If the test is completed normally, the ERR. LED does not
turn on, but remains off.
: Flashing
• If the test fails, the ERR. LED turns on. If the test fails,
: Off
replace the Ethernet cable and run the test again. If the
test fails again, it may be due to a hardware failure in the
I/O module. Please consult your local Mitsubishi
: On
representative.
: Flashing
: Off