Danfoss VLT Instruction Manual page 95

VLT ® HVAC Drive Instruction Manual
6-00 Live Zero Timeout Time
Range:
10 s* [1 - 99 s]
6-01 Live Zero Timeout Function
Option:
[0] * Off
[1] Freeze output
[2] Stop
[3] Jogging
[4] Max. speed
[5] Stop and trip
Function:
Enter the Live Zero Timeout time period. Live Zero Timeout Time is active for analog inputs, (i.e.,
terminal 53 or terminal 54), allocated to current and used as reference or feedback sources. If the
reference signal value associated with the selected current input falls below 50% of the value set
Terminal 53 Low Voltage
in par.6-10
Voltage Terminal 54 Low Current
or par. 6-22
Live Zero Timeout Time
6-00 , the function selected in par.6-01
activated.
Function:
Select the timeout function. The function set in par.6-01
if the input signal on terminal 53 or 54 is below 50% of the value in par.6-10
Voltage Terminal 53 Low Current
, par. 6-12
54 Low Current for a time period defined in par.6-00
occur simultaneously, the adjustable frequency drive prioritizes the timeout functions as follows:
1. par.6-01 Live Zero Timeout Function
Control Timeout Function
2. par. 8-04
The output frequency of the adjustable frequency drive can be:
• [1] frozen at the present value
• [2] overruled to stop
• [3] overruled to jog speed
• [4] overruled to max. speed
• [5] overruled to stop with subsequent trip
MG.11.A9.22 - VLT ® is a registered Danfoss trademark
6 How to program the adjustable frequency
Terminal 53 Low Current
, par. 6-12 , par.6-20
for a time period longer than the time set in par.
Live Zero Timeout Function
Live Zero Timeout Function
Terminal 54 Low Voltage
, par.6-20
Live Zero Timeout Time
drive
Terminal 54 Low
will be
will be activated
Terminal 53 Low
Terminal
or par. 6-22
. If several timeouts
6
6-37