Steps to Activate Digital Output 2:
Based on the Command List, command to be send is 6003 to energize the output and command 6002 to de-energize.
Before sending the command be sure:

1. The Digital Output is not assigned to an Alarm
2. The Digital Output is configured to be controlled remotely/external

Steps to perform control with Modbus Poll or PMC Modbus (Important note: IT DOES NOT work with ModSCAN, because SW is not able to send single request):

1. Connect to the PM Meter with IP address of the Gateway and the unit ID
2. READ ONLY ONCE REGISTER 405680 (5679)
   1. Value should be Unsigned integer different from 0
   2. Note this value (for example 12345)
3. WRITE A BLOCK OF 3 REGISTERS STARTING ADDRESS 405000 (4999)
   1. Register 405000 (4999) should have Value 6003
   2. Register 405001 (5000) should have Value of the Semaphore (our example 12345)
   3. Register 405002 (5001) should have the ID of the Digital Output (2 for DO2)
4. READ ONLY ONCE REGISTERS 405126 (5125) to confirm the result (should be 0 for Valid Operation)

Unprotected Command Interface:

1. Connect to the PM Meter with IP address of the Gateway and the unit ID
2. WRITE A BLOCK OF 3 REGISTERS STARTING ADDRESS 405250 (5249)
   1. Register 405250 (5249) should have Value 6003
   2. Register 405251 (5250) should have Value of 0
   3. Register 405252 (5251) should have the ID of the Digital Output (2 for DO2)
3. READ ONLY ONCE REGISTERS 405376 (5375) to confirm the result (should be 0 for Valid Operation)

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