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How to write the counter value into Modbus register
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If you want to made the counter value available via modbus you need only to use a fixed memory value in which you write the acutal counter value. You could seen this in the follow expample picture.
via *.V could you read the acutal value of the counter back.
In the Sample picture I use a memory word on address 0. This is available via Modbus FC3 if the Server functionality is activated for the line. Modbus TCP server must be manually activated.
The value *.v could be greater then preset. I try this with a reduced value for preset. I did not test if the value could be bigger then 9999.
best regards
Link copied. Please paste this link to share this article on your social media post.
If you want to made the counter value available via modbus you need only to use a fixed memory value in which you write the acutal counter value. You could seen this in the follow expample picture.
via *.V could you read the acutal value of the counter back.
In the Sample picture I use a memory word on address 0. This is available via Modbus FC3 if the Server functionality is activated for the line. Modbus TCP server must be manually activated.
The value *.v could be greater then preset. I try this with a reduced value for preset. I did not test if the value could be bigger then 9999.
best regards
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