1 overspeed monitor adjustment, Ik9055 – R&M Materials Handling ELECTRIC CHAIN HOISTS LoadMate Chain Hoist LM 10 Stepless User Manual
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LM10 STEPLESS I&M MANUAL/EN/11.30.2010
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Copyright © (2010) R&M Materials Handling, Inc. All rights reserved.
7.5.11.1 Overspeed Monitor adjustment
Check maximum hoisting speed of application.
Set with parameter P1.1.5. maximum Freq to value “Set up driving freq” from table
Set parameter V2.10. visible on display
Set switch S1 to value x0.5 and switch S2 to value 3 kHz.
Drive with maximum speed
Decrease value of switch S2 inch by inch until Overspeed Monitor trips.
This should happen with value about “Estimated detection freq” from table
Set switch S1 to value x1
Set with parameter P1.1.5. maximum Freq back to original value according the application
Set stall supervision time with switch S3 to value 1s.
Check setting by driving at maximum speed to both directions, Overspeed Monitor should not trip
Table 14. Overspeed Monitor Adjustment
Max hoisting speed in application
Set up driving freq
Estimated detection freq
+U
0V
IN
X1
12
14
11
x0,5
x2
x1
4
2
0,1
3
2,5
1,5
2
f/kHz
8
6
10
t/s
IK9055
L1
L2
S1
S3
S2
m / min
feet / min
8,0
26,2
60,00
2,7
7,5
24,6
56,25
2,5
7,0
23,0
52,50
2,3
6,5
21,3
48,75
2,1
6,0
19,7
45,00
1,9
5,5
18,0
41,25
1,7
5,0
16,4
37,50
1,5
4,5
14,8
33,75
1,3
4,0
13,1
30,00
1,1
3,5
11,5
26,25
0,9
3,0
9,8
22,50
0,7
2,5
8,2
18,75
0,5
2,0
6,6
15,00
0,3
1,5
4,9
11,25
0,1
Hoisting speed
m / min
Frequency / Hz
8,0
100
7,5
93,75
7,0
87,5
6,5
81.25
6,0
75
5,5
68,75
5,0
62,5
4,5
56,25
4,0
50
3,5
43,75
3,0
37,5
2,5
31,25
2,0
25
1,5
18,75
1,0
12,5
0,5
6.25