User Manual Manual

Functions 3-24
Publication 825-UM001B-EN-P January 2001
Application
• Conveying systems
• Mills
• Mixers
• Crushers
• Saws, etc.
Figure 3.11 Function of High Overload and Jam Protection
1 Motor start  ≥ 1.2 
e
t
V
Tripping delay
2 Nominal operation 4 Jam protection not active
3 High overload or jam 5 Jam protection active (tripping threshold)
Table 3.M High Overload and Jam Setting Parameters
➊ –5…60 °C (23…140 °F)
➋ If auxiliary relays #2 and #3 are assigned to the communication (refer to page 5-16) they cannot be selected
here.
Warning ➊ Tri p ➊
Function
Factory setting Off On
Response Level
Setting range
1…6 
e
1…6 
e
Factory setting
2 
e
2.4 
e
Setting increments
0.2 
e
0.2 
e
Tripping Delay
Setting range — 0.1…5 s ± 0.04 s
Factory setting — 0.5 s ± 0.04 s
Setting increments — 0.1 s
Output Relay ➋
Selection (relays) AL, #1…#5 MR, AL, #1…#5
Factory setting AL MR
t
v
1.1
2.4
1
2
3
I
e
I
4
t
5
≥ 1.2