Danfoss VLT HVAC Operating Instructions Manual page 72

6. How to programme the frequency converter
Analog Input X42/3
Analog Input X42/5
Ext. Closed Loop 1
Ext. Closed Loop 2
Ext. Closed Loop 3
Function:
Select the reference input to be used for the
second reference signal. Par. 3-15, 3-16 and
3-17 define up to three different reference
signals. The sum of these reference signals
defines the actual reference.
This parameter cannot be adjusted while the
motor is running.
6
4-10
Value:
Clockwise
Both directions
Function:
Selects the motor speed direction required.
When par. 1-00
Closed loop
changed to
4-57
Value:
Par. 4-56 - 999999.999
Function:
Enter the upper feedback limit. When the
feedback exceeds this limit, the display reads
Feedb High. The signal outputs can be pro-
grammed to produce a status signal on termi-
nal 27 or 29 and on relay output 01 or 02.
4-64
Value:
Off
Enabled
Function:
Select
Bypass set-up and continue with the proce-
dure described above.
72
Motor Speed Direction
Configuration Mode
[3], the parameter default is
Clockwise [0].
Warning Feedback High
999999.999
Semi-Auto By-pass Feature
Enabled
to start the Semi-Automatic
MG.11.A4.02 - 09.10.06. VLT
VLT
[24]
[25]
5-01 Terminal 27 Mode
[30]
Value:
[31]
Input
[32]
Output
Function:
Input
Select [0] to define terminal 27 as a dig-
ital input.
Output
Select
digital output.
This parameter cannot be adjusted while the
motor is running.
5-02 Terminal 29 Mode
Value:
Input
[0]
Output
[2]
Function:
Input
Select [0] to define terminal 29 as a dig-
ital input.
is set to
Output
Select
digital output.
This parameter cannot be adjusted while the
motor is running.
5-12 Terminal 27 Digital Input
Value:
Coast Inverse
Function:
Same options and functions as par. 5-1*
ital Inputs
, except for
5-13 Terminal 29 Digital Input
Value:
[0]
Jog
[1]
Function:
Same options and functions as par. 5-1*
ital Inputs
.
® is a registered Danfoss trademark
®
HVAC Drive Operating Instructions
[0]
[1]
[1] to define terminal 27 as a
[0]
[1]
[1] to define terminal 29 as a
[2]
Dig-
Pulse input
.
[14]
Dig-