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Topic: Modbus TCP driver (Read 4423 times)
baguinn
Newbie
Posts: 31
Modbus TCP driver
«
on:
March 13, 2013, 09:08:19 PM »
Does the Modbus TCP driver only read back integers? I am trying to read floating point data, but cannot get it to work. I can however read them through kepserver.
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Archie
Administrator
Hero Member
Posts: 5322
Re: Modbus TCP driver
«
Reply #1 on:
March 14, 2013, 02:32:28 PM »
I don't think it can do floating point. Only bits, integers, and double integers.
That driver was developed using a Modbus simulator and the simulator did not support floating point. What hardware are you using?
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baguinn
Newbie
Posts: 31
Re: Modbus TCP driver
«
Reply #2 on:
March 14, 2013, 08:38:59 PM »
Trying to read values from some electrical panel meters. Trying to read the volts, amps, and KW's. I am trying to connect to these modbus devices across a gateway. I can read values from a PLC across these gateways, but they are in integer format.
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batman1970
Newbie
Posts: 2
Re: Modbus TCP driver
«
Reply #3 on:
March 15, 2014, 04:43:17 AM »
Sorry,I am trying an application with modbus tcp ip and I can not read the dint but only int, what is the correct syntax? Also i want to convert Int register to real by a my IE754 routine in VBA how it is possible to integrate this in the display??
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Modbus TCP driver