Danfoss VLT HVAC Series User Manual

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
3.8.5 6-3* Analog Input 3 MCB 101
Parameter group for configuring the scale and limits for analog input 3 (X30/11) placed on option module MCB 101.
6-30 Terminal X30/11 Low Voltage
Range: Function:
0.07 V* [0.00 - par. 6-31 V] Sets the analog input scaling value to correspond to the low reference/feedback value (set in par.
6-34
Term. X30/11 Low Ref./Feedb. Value ).
6-31 Terminal X30/11 High Voltage
Range: Function:
10.00 V* [par. 6-30 - 10.00 V] Sets the analog input scaling value to correspond to the high reference/feedback value (set in par.
6-35
Term. X30/11 High Ref./Feedb. Value ).
6-34 Term. X30/11 Low Ref./Feedb. Value
Range: Function:
0.000 N/A* [-999999.999 - 999999.999 N/A] Sets the analog input scaling value to correspond to the low voltage value (set in par.6-30 Terminal
X30/11 Low Voltage
).
6-35 Term. X30/11 High Ref./Feedb. Value
Range: Function:
100.000 N/
A*
[-999999.999 - 999999.999 N/A] Sets the analog input scaling value to correspond to the high voltage value (set in par.6-31 Terminal
X30/11 High Voltage
).
6-36 Term. X30/11 Filter Time Constant
Range: Function:
0.001 s* [0.001 - 10.000 s]
A 1
st
order digital low pass filter time constant for suppressing electrical noise on terminal X30/11.
par.6-36
Term. X30/11 Filter Time Constant cannot be changed while the motor is running.
6-37 Term. X30/11 Live Zero
Option: Function:
This parameter makes it possible to disable Live Zero monitoring. For example, this may be used if
the analog outputs are used as part of a decentral I/O system (e.g., when not part of any adjustable
frequency drive-related control functions, but feeding a building management system with data).
[0] * Disabled
[1] * Enabled
3 Parameter Description VLT
®
HVAC Drive Programming Guide
3-84 MG.11.C6.22 - VLT
®
is a registered Danfoss trademark
3

Danfoss VLT HVAC Series Specifications

General

Protection Features	Overcurrent, Overvoltage, Undervoltage, Overtemperature, Short circuit
Communication Interfaces	Profibus, Ethernet
Cooling Method	Forced convection
Ambient Temperature	-10°C to +40°C
Enclosure Rating	IP20, IP21, IP55
Output Voltage	0 - 100% of supply voltage