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Offline Julian Santa Ana  
#1 Posted : Monday, June 15, 2015 6:17:48 AM(UTC)
Julian Santa Ana

Rank: Newbie

Joined: 6/15/2015(UTC)
Posts: 1

I'm trying to read a value from a SIEMENS PAC3200 device that is defined as a 64bit double float. I've tried with several formats when adding the tag, such as F, S, and FS and also trying to read it as an array, but never got the 64bit double float value displayed by the siemens device software.

I'm using the Matrikon OPC Server for Modbus v5.0.2 .

Thanks in advance to anyone that can help me out with this.
Offline Roger Fortune  
#2 Posted : Monday, June 15, 2015 1:34:16 PM(UTC)
Roger Fortune

Rank: Advanced Member

Joined: 10/21/2014(UTC)
Posts: 93

Was thanked: 11 time(s) in 11 post(s)
Unfortunately, the MatrikonOPC Server for Modbus does not support 64 bit registers, the maximum is 32 bit for this software.

Kind regards

Offline David Andersson  
#3 Posted : Wednesday, October 11, 2017 11:40:09 PM(UTC)
David Andersson

Rank: Newbie

Joined: 10/11/2017(UTC)
Posts: 1

Hi Julian

You never managed to solve this using PAC3200 and Matrikon?
If not, what Product you turned to that work good with Siemens PAC3200 ?

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