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S5 Floating Point Conversion

Created by: WillScott at: 1/16/2012 5:11 PM (3 Replies)

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1/16/2012 5:11 PM	Rate (0)
WillScott Posts: 9 Rating: (0)	Hi, I am connecting a Proface HMI to an S5 135U PLC via the PG port. Connection is ok and comms are fine. When I try to use floating point numbers the conversion is not correct, I know the bit format (KG)on S5 is different, is there an easy way to convert it to the standard format ?? Thanks Will.
WillScott Posts: 9 Rating: (0)
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1/16/2012 7:19 PM	Rate (0)
BeVee Gold Member Joined: 7/18/2011 Last visit: 12/6/2024 Posts: 521 Rating: (91)	Hi WillScott, You can take a look at http://support.automation.siemens.com/WW/view/en/136429 Kind regards, BV

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This contribution was helpful to 1 thankful Users dchartier

1/17/2012 3:03 AM	Rate (0)
dchartier Grandmaster Joined: 9/27/2006 Last visit: 12/20/2024 Posts: 12307 Rating: (2695)	Hello Will; This FAQ explains how the floating-point format of the S5 CPUs can be adapted to a WinCC display, with a function: Adapting the format of S5-Float tags Possibly you could program a similar functionin your display software. Hope this helps, Daniel Chartier
	Last edited by: dchartier at: 1/17/2012 3:03 AM
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1/19/2012 5:31 PM	Rate (0)
WillScott Posts: 9 Rating: (0)	Thanks for the replies, I got round the problem another way now by manipulating the data in the S5. Wll
WillScott Posts: 9 Rating: (0)
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