Danfoss VLT Instruction Manual page 85

VLT ® HVAC Drive Instruction Manual
3-10 Preset Reference
Array [8]
Range:
0.00 %* [-100.00 - 100.00 %]
3-15 Reference 1 Source
Option:
[0] No function
[1] * Analog input 53
[2] Analog input 54
[7] Pulse input 29
[8] Pulse input 33
[20] Digital pot.meter
[21] Analog input X30/11
[22] Analog input X30/12
[23] Analog Input X42/1
[24] Analog Input X42/3
[25] Analog Input X42/5
[30] Ext. Closed-loop 1
[31] Ext. Closed-loop 2
[32] Ext. Closed-loop 3
Function:
Enter up to eight different preset references (0–7) in this parameter, using array programming. The
preset reference is stated as a percentage of the value Ref
Maximum Reference/Feedb.
closed-loop see par. 20-14
set ref. bit 0 / 1 / 2 [16], [17] or [18] for the corresponding digital inputs in parameter group 5-1*
Digital Inputs.
Function:
Select the reference input to be used for the first reference signal. par.3-15
par.3-16 Reference 2 Source and par. 3-17
signals. The sum of these reference signals defines the actual reference.
This parameter cannot be adjusted while the motor is running.
MG.11.A9.22 - VLT ® is a registered Danfoss trademark
6 How to program the adjustable frequency
Maximum Reference
(par.3-03
MAX
). When using preset references, select Pre-
Reference 3 Source define up to three different reference
drive
, for
6
Reference 1 Source ,
6-27