Danfoss VLT Micro Drive FC 51 Programming Guide

4.7 Parameter Group 6: Analog In/Out
4.7.1 6-** Analog In/Out
Parameter group for configuring analog inputs and
outputs.
4.7.2 6-0* Analog I/O Mode
Parameter group for setting up the analog I/O configu-
ration.
6-00 Live Zero Timeout Time
Range: Function:
The Live Zero function is used for monitoring
the
signal on an analog input. If the signal
disappears, a Live Zero warning is reported.
10 s* [1-99 s]
Set delay time before Live
Zero Timeout Function
is applied (6-01 Live Zero Timeout Time).
If the signal reappears during the set delay,
timer will be reset.
When live zero is detected, the frequency
converter freezes output frequency and starts
Live Zero Timeout timer.
6-01 Live Zero Timeout Function
Option: Function:
Function is activated if input signal is below
50%
of value set in 6-10 Terminal 53 Low
Voltage, 6-12 Terminal 53 Low Current or 6-22
Terminal 60 Low Current.
[0] * Off Function is disabled.
[1] Freeze
output
Output frequency remains at value it had
when
live zero was detected.
[2] Stop Frequency converter ramps down to 0 Hz.
Remove
live zero error condition before
restarting frequency converter.
[3] Jogging Frequency converter ramps to jog speed, see
3-11
Jog Speed.
[4] Max Speed Frequency converter ramps to Motor Speed
High
Limit, see 4-14 Motor Speed High Limit.
[5] Stop and
Trip
Frequency converter ramps down to 0 Hz
and
then trips. Remove live zero condition
and activate reset before restarting the
frequency converter.
4.7.3 6-1* Analog Input 1
Parameters for configuring scaling and limits for analog
input
1 (terminal 53).
NOTE
Micro
switch 4 in position U:
6-10 Terminal 53 Low Voltage and 6-11 Terminal 53 High
Voltage are active.
Micro switch 4 in position I:
6-12 Terminal 53 Low Current and 6-13 Terminal 53 High
Current are active.
Illustration 4.7
Ref./Feedback
[RPM]
Analog input
High Ref./
Feedb. Value'
Low Ref./
Feedb. Value'
'Low Voltage'or
'Low Current'
'High Voltage'or
'High Current'
130BD019.10
1 V 5 V 10 V
300
600
900
1200
1500
[V]
150
Par 6-xx
Par 6-xx
Par 6-xx
Par 6-xx
Illustration 4.8
6-10 Terminal 53 Low Voltage
Range: Function:
This scaling value should correspond to
minimum
reference value set in 6-14
Terminal 53 Low Ref./Feedb. Value. See
also 4.4 Parameter Group 3: Reference/
Ramps.
0.07 V* [0.00-9.90 V] Enter low voltage value.
CAUTION
The value must be set to min. 1 V in order to activate the
Live Zero Timeout function in 6-01 Live Zero Timeout
Function.
Parameter Descriptions
VLT
®
Micro Drive FC 51 Programming Guide
32 MG02C602 - VLT
®
is a registered Danfoss trademark
44
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Danfoss VLT Micro Drive FC 51 Specifications

General

Enclosure	IP20
Output Voltage	0-100% of supply voltage
Altitude	Up to 1000 m without derating
Power Range	0.18-22 kW
Control Method	V/f
Communication	Modbus RTU
Protection Features	Over-voltage, under-voltage, over-current, over-temperature
Ambient Temperature	-10°C to 50°C
Storage Temperature	-25°C to 65°C
Relative Humidity	5-95% (non-condensing)
Input Voltage	200-240 V, 380-480 V
Braking Function	Integrated braking chopper (optional)