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Topic Title: Siemens S7-1200 polling Accutech base radio Topic Summary: Has anyone programmed the S7-1200 to poll the Accutech base radio via modbus? Created On: 04/21/2010 10:27 AM Status: Post and Reply

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04/21/2010 10:27 AM
AA Member Posts: 19 Joined: 05/29/2007	I understand it is not really modicon modbus but can be beaten to work. Does anyone have any tips? Thanks Robert
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04/21/2010 10:40 AM
mchartrand Moderator Posts: 519 Joined: 03/02/2007	Hello, The Siemens S7-1200 would need to talk Modbus RTU via an RS-485 connection in order to poll data from the base radio. Thanks ------------------------- Martin Chartrand Application and Sales Support Specialist Control Microsystems Inc. mchartrand@controlmicrosystems.com www.controlmicrosystems.com Tel: (613) 591-3878 Ext.254 Fax: (613) 591-3145
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04/21/2010 11:09 AM
AA Member Posts: 19 Joined: 05/29/2007	Right. I am hoping someone can advise of bit and word order as well as any offset used and if they use the 4 in 40k registers or not.
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04/21/2010 11:34 AM
mchartrand Moderator Posts: 519 Joined: 03/02/2007	There are two possible addressing modes. You need to refer to the user manual for the correct Modbus register addresses for whichever mode you select. The user manual can be found here: http://www.accutechinstruments...ch-software-download/ You will need to download and install Accutech Manager (free of charge) in order to get to the .chm user manual. Thanks. ------------------------- Martin Chartrand Application and Sales Support Specialist Control Microsystems Inc. mchartrand@controlmicrosystems.com www.controlmicrosystems.com Tel: (613) 591-3878 Ext.254 Fax: (613) 591-3145
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07/16/2010 12:55 PM
AA Member Posts: 19 Joined: 05/29/2007	I hear that base radio firmware 1.86 will have word order selections supporting 1234, 3412, 2143 and 4321 which will make most these type integration issues go away. 4321 is used by Thermo AutoPilot legacy versions where comm parameters are not selectable. These selections are made from the pushbuttons on the base radio.
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07/16/2010 01:55 PM
mchartrand Moderator Posts: 519 Joined: 03/02/2007	I've been advised by our Software engineers that this is correct. Regards ------------------------- Martin Chartrand Application and Sales Support Specialist Control Microsystems Inc. mchartrand@controlmicrosystems.com www.controlmicrosystems.com Tel: (613) 591-3878 Ext.254 Fax: (613) 591-3145
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CMI » Accutech Wireless Instrumentation » Siemens S7-1200 polling Accutech base radio

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