Danfoss VLT FC 100 Series Programming Guide

NB!
Important! After enabling the Drive Bypass Function, the Safe Stop function (in versions, where included) is not complying with standard
EN 954-1, Cat. 3 installations anymore.
24-11 Bypass Delay Timer
Range: Function:
0 s * [1-600 s]
Programmable in 1 s increments. Once the Bypass Function is activated in accordance with the setting in par
24-10, the Bypass Delay Timer begins to operate. If the frequency converter has been set for a number of restart
attempts, the timer will continue to run whilst the frequency converter tries to restart. Should the motor have
restarted within the time period of the Bypass Delay Timer, then the timer is reset.
Should the motor fail to restart at the end of the Bypass Delay Time, the Drive Bypass relay will be activated,
which will have been programmed for Bypass in
par 5-40, Function Relay . If a [Relay Delay] has also been
programmed in
par 5-41, On Delay , [Relay] or par 5-42, Off Delay , [Relay], then this time must also elapse before
the relay action is performed.
Where no restart attempts are programmed, the timer will run for the delay period set in this parameter and will
then activate the Drive Bypass relay, which will have been programmed for Bypass in par 5-40, Function Relay.
If a Relay Delay has also been programmed in par 5-41, On Delay, Relay or
par 5-42 Off Delay , [Relay], then
this time must also elapse before the relay action is performed.
3. Parameter Description VLT
®
HVAC Drive Programming Guide
208 MG.11.C5.02 - VLT
®
is a registered Danfoss trademark
3

Danfoss VLT FC 100 Series Specifications

General

Brand	Danfoss
Model	VLT FC 100 Series
Category	DC Drives
Language	English