Danfoss VLT - Page 97

6-24 Terminal 54 Low Ref./Feedb. Value
Range: Function:
0.000 N/A* [-999999.999 - 999999.999 N/A] Enter the analog input scaling value that corresponds to the low voltage/low current value set in
par.6-20
Terminal 54 Low Voltage and par. 6-22 Terminal 54 Low Current .
6-25 Terminal 54 High Ref./Feedb. Value
Range: Function:
100.000 N/
A*
[-999999.999 - 999999.999 N/A] Enter the analog input scaling value that corresponds to the high voltage/high current value set in
par.6-21
Terminal 54 High Voltage and par. 6-23 Terminal 54 High Current .
6-26 Terminal 54 Filter Time Constant
Range: Function:
0.001 s* [0.001 - 10.000 s] Enter the time constant. This is a first-order digital low pass filter time constant for suppressing
electrical noise in terminal 54. A high time constant value improves damping, but also increases the
time delay through the filter.
This parameter cannot be adjusted while the motor is running.
6-27 Terminal 54 Live Zero
Option: Function:
This parameter makes it possible to disable the Live Zero monitoring. For example, this to be used
if the analog outputs are used as part of a de-central I/O system (e.g., when used not as part of
any adjustable frequency drive related control functions, but for feeding a building management
system with data).
[0] Disabled
[1] * Enabled
6-50 Terminal 42 Output
Option: Function:
Select the function of Terminal 42 as an analog current output. A motor current of 20 mA corre-
sponds to I
max
.
[0] * No operation
[100] Output frequency : 0–100 Hz, (0–20 mA)
[101] Reference : Minimum reference - Maximum reference, (0–20 mA)
[102] Feedback : -200% to +200% of par. 20-14
Maximum Reference/Feedb. , (0–20 mA)
[103] Motor current : 0 - Inverter Max. Current (par. 16-37), (0–20 mA)
[104] Torque rel to limit : 0 - Torque limit (par. 4-16
Torque Limit Motor Mode ), (0–20 mA)
[105] Torq relate to rated : 0 - Motor rated torque, (0–20 mA)
[106] Power : 0 - Motor rated power, (0–20 mA)
[107] Speed : 0 - Speed High Limit (par.4-13
Motor Speed High Limit [RPM] and par.4-14 Motor Speed High Limit
[Hz]
), (0–20 mA)
[113] Ext. Closed-loop 1 : 0–100%, (0–20 mA)
[114] Ext. Closed-loop 2 : 0–100%, (0–20 mA)
[115] Ext. Closed-loop 3 : 0–100%, (0–20 mA)
[130] Output freq. 4-20mA : 0–100 Hz
VLT
®
HVAC Drive Instruction Manual
6 How to program the adjustable frequency
drive
MG.11.A9.22 - VLT
®
is a registered Danfoss trademark 6-39
6