User Manual Manual

3-45 Functions
Publication 825-UM001B-EN-P January 2001
Applications
Large low-voltage motors
Medium- and high-voltage motors
Conveyor systems
Mills
Mixers
Crushers
Saws
Cranes
Hoists, etc.
Figure 3.26 Stalling During Starting
Table 3.X Stalling during Start Setting Parameters
Trip
Function
Factory setting Off
Tripping Delay
Factory setting
The trip time t
sp
depends on the trip time t
ov
chosen for the overcurrent as
follows: t
ov
<400 ms, t
sp
= 600 ms.; t
ov
400 ms, t
sp
= t
ov
+ 400 ms.
Actuation
Message from zero speed switch to control input #1
Motor running 24V AC/DC at control input #1
Motor standstill 0V AC/DC at control input #1
Output Relay
Selection (relays)
Same relay as for function High Overload and Jam
(settable only there)
t
v
I
1
2
I
e
t
I
e
I
1N
orma
l
start w
i
t
h
out
hindrance by high
overload or stalling
2 Stalling during standing
t
v
Tripping delay