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00BNO9168-I (U0606551)
VARMAX -
Installation, Use and Maintenance
9.4.
Specific configurations when connecting to 0-10V outputs
(Ux)
9.4.1.
Transfer of the "burner power" image to PLC
0V 0,5V 1V
10V
Off
Burner modulation
Pmini
(parameter 2331)
Pmaxi
(parameter 2330)
0...0,5 Vcc
The boiler status inhibits starting or locking
0,5...1 Vcc
The boiler is waiting to start or waiting for pre- or post- ventilation
1...10 Vcc
The boiler is working with its flame lit between the min. and max. power
levels
D. SPECIFIC START-UP PROCEDURE
Line No. Value
• Configuration
menu
Declare the output which gives the image
of the burner power.
Function output Ux (6078/6089)
Burner modulation
Signal direction.
Progress of the 0-10V signal in the signal
increase direction for speed increase.
Signal logil output UX (6079/6090)
Standard
9.4.2.
Controlling a Q1 boiler pump
D. SPECIFIC START-UP PROCEDURE
Line No. Value
• Configuration
menu
Declare the output which gives the image
of the burner power.
Function output Ux (6078/6089)
Boiler pump Q1
Signal direction.
Progress of the 0-10V signal in the signal
increase direction for speed increase.
Signal logil output UX (6079/6090)
Standard
• Boiler
menu
Set these 3 parameters to the same value
Starting speed (2321)
between 0 and 100 %
Pump speed min (2322)
between 0 and 100 %
Pump speed max (2323)
between 0 and 100 %
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