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 Post subject: ATR 401 22T "Soft start"
PostPosted: 23/08/2019, 13:16 

Joined: 23/08/2019, 12:37
Posts: 1
Hello, who can me explain, how to use "Soft start"?
now controller use for steam calorifer heating air,
and i like first pre-heating (open steam valve about 10 percent).
Valve controlling 4-20mA.
I reading, but can`t understand instruction point 85.


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 Post subject: Re: ATR 401 22T "Soft start"
PostPosted: 03/09/2019, 16:36 
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Joined: 12/09/2016, 14:49
Posts: 664
Hi,
the Soft-Start function is enabled when the parameter 85.[riGr] is greater than 0 value. Function starts each time the device is switched on. The measure unit of the parameter 85 is Unit/Hour and this is risign gradient of the setpoint. For example if set it to 10 value, the device increase the setpoint 10 unit every hour, so if your setpoint is 100, it is need 10hour to reach it.

Best regards.


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