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VLT Automation VT Drive FC322
Programming Guide
The Analog I/O option can be used for the control of devices such as actuators or valves, using the Extended Closed loop facility, thus removing control
from the existing control system. See section Parameters: Ext. Closed Loop – FC 322 parameter group 21-**. There are three independent closed loop
PID controllers.
26-00 Terminal X42/1 Mode
Option:
[1] *
Voltage
[2]
Pt 1000 [°C]
[3]
Pt 1000 [°F]
[4]
Ni 1000 [°C]
[5]
Ni 1000 [°F]
26-01 Terminal X42/3 Mode
Option:
[1] *
Voltage
[2]
Pt 1000 [°C]
[3]
Pt 1000 [°F]
[4]
Ni 1000 [°C]
[5]
Ni 1000 [°F]
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Function:
Terminal X42/1 can be programmed as an analog input accepting a voltage or input from either
Pt1000 (1000
at 0 C) or Ni 1000 (1000
Pt 1000
Ni 1000
, [2] and
[4] if operating in Celsius - Pt 1000 [3] and Ni 1000 [5] if operating in
Fahrenheit.
Notice: If the input is not in use, it must be set for Voltage!
If set for temperature and used as feed back, the unit must be set for either Celsius or Fahrenheit
Reference/Feedback Unit
(par. 20-12
, par. 21-10
Feedback Unit
or par. 21-50
Ext. 3 Ref./Feedback Unit
Function:
Terminal X42/3 can be programmed as an analog input accepting a voltage or input from either Pt
1000 or Ni 1000 temperature sensors. Select the desired mode.
Pt 1000, [2] and Ni 1000, [4] if operating in Celsius - Pt 1000, [3] and Ni 1000, [5] if operating in
Fahrenheit.
Notice: If the input is not in use, it must be set for Voltage!
If set for temperature and used as feed back, the unit must be set for either Celsius or Fahrenheit
(par. 20-12
Reference/Feedback Unit
, par. 21-10
Feedback Unit
Ext. 3 Ref./Feedback Unit
or par. 21-50
MG.20.W1.22 - VLT is a registered Danfoss trademark
2 Parameter Description
at 0 C) temperature sensors. Select the desired mode.
Ext. 1 Ref./Feedback Unit
, par. 21-30
).
Ext. 1 Ref./Feedback Unit
, par. 21-30
).
2
Ext. 2 Ref./
Ext. 2 Ref./
255
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