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4
Trial Operation Check
Before starting trial operation
Turn on the power of the Energy Monitoring Relay Interface after all wire connections and settings are
completed. Turn on power of the air conditioning control system.
Trial operation
• Confirming connection to power meters
In the test mode, when the external inputs connected to the input terminals DI-1 to DI-8 are ON, the
respective LEDs will goes on so you can confirm the connection.
Confirming procedure:
Set the operation mode switch SW2 to "3", and push the reset switch SW7 to enter the test mode.
Unless SW4 is pushed, respective input status of DI-1 to DI-4 is indicated by LED2 to LED5.
When SW4 is pushed, respective input status of DI-5 to DI-8 is indicated by LED2 to LED5.
(*) To return to the normal operation, reset SW2 to "zero (0)" and push SW7.
LED2
SW4 OFF
Displays DI-1 input
status.
SW4 ON
Displays DI-5 input
status.
• Checking the RS-485 communication status
Use LED2 for checking the RS-485 communication status.
When RS-485 communication with Touch Screen Controller is normal, LED-2 will blink.
LED1
Power indicator
LED2
RS-485 communication
status indicator.
LED3
Not used
LED4
Test indicator
LED5
Test indicator
LED3
LED4
Displays DI-2 input
Displays DI-3 input
status.
status.
Displays DI-6 input
Displays DI-7 input
status.
status.
Input ON: LED lights
Input OFF: LED turns off
Normal
ON
Blinking
OFF
OFF
OFF
9
LED5
Displays DI-4 input
status.
Displays DI-8 input
status.
Abnormal
OFF
OFF
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