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11. 5 Unit Test
Run a unit test to check if there is any abnormality in the D/A converter module.
Remark
When unit test fails, the error details can be checked in the error history in GX Works2.
To check the error history with GX Works2, set the station number of the D/A converter module and connect the module to
the master station with an Ethernet cable.
For the error history, refer to the following.
• Checking by executing a command of the slave station ( Page 135, Section 11.1 (1))
• Error history (address: 0A00
H
to 0AEF
H
) ( Page 172, Appendix 3 (16))
1. Power off the module.
2. Connect the PORT1 and PORT2 of the D/A converter
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.
The MODE LED flashes while the unit test is executed.
6. The MODE LED turns off when the unit test is
completed.
• When completed
The ERR. LED does not turn on, but remains off.
• When failed
The ERR. LED turns on.
If the test fails, replace the Ethernet cable and run the
test again. If the test fails again, it may be due to a
hardware failure in the D/A converter module. Please
consult your local Mitsubishi representative.
Ethernet cable
: Flashing
: OFF
: ON
When completed
When failed
: Flashing
: ON
: Flashing
: ON
: OFF
: OFF