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Siplus 2AI TC - Is it possible to read internal CJC temperature?

Created by: smiffy at: 8/9/2011 4:59 PM (2 Replies)

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8/9/2011 4:59 PM	Rate (0)
smiffy Platinum Member Joined: 1/17/2007 Last visit: 7/28/2023 Posts: 1525 Rating: (527)	I believe that the the Siplus 2AI TC (6AG1 134-4NB01-7AB0) module has an internal CJC compensator. Is it possible to read the value of this to get the ambient temperature? I assume that it will be some sort of DP_DIAG or DP_RECV call to get the data.
	Last edited by: smiffy at: 8/9/2011 5:17 PM Programming today is the race between software engineers building bigger and better idiot proof programs, and the universe producing bigger and better idiots. So far, the universe is winning...
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8/16/2011 11:08 AM	Rate (1)
SINAMICS_TO Bronze Member Joined: 4/24/2008 Last visit: 9/25/2023 Posts: 149 Rating: (15)	it is not possible to read out this temperature.

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This contribution was helpful to 1 thankful Users smiffy

8/20/2011 7:59 PM	Rate (0)
gre_m Posts: 947 Rating: (45)	Hi smiffy Cold junction compensation is done in hardware at the schema level, and therefore the cold junction voltage is not available as a code. But you can get it if you measure the voltage of the neighboring closed-circuit inputs of this module
gre_m Posts: 947 Rating: (45)
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