Hired-Hand Farm Hand Series: ST Temperature Controllers User Manual
Page 27
4801-5043 Rev 7/00
Farm Hand ST
26
20. Curtain Movement Time (sec.) Vs. Distance (Inches/cm.)
To find the distance moved, select the chart corresponding to a specific Motor Speed and Cabling Ratio.
NOTE: Cabling Ratio = First number is PT and second number is load.
Motor RPM
Cabling Ratio
Seconds
Inches
Centimeters
5
0.25
0.635
10
0.50
1.27
15
0.75
1.905
30
1.5
3.81
45
2.25
5.715
1 to 1
60
3
7.652
5
0.5
1.27
10
1.0
2.54
15
1.5
3.81
30
3.0
7.62
45
4.5
11.43
1 to 2
60
6.0
15.24
5
0.125
0.3175
10
0.25
0.635
15
0.375
0.9525
30
0.75
1.905
45
1.125
2.875
15
2 to 1
60
1.5
3.81
5
0.5
1.27
10
1.0
2.54
15
1.5
3.81
30
3.0
7.62
45
45.5
11.43
1 to 1
60
6.0
15.24
5
1
2.54
10
2
5.08
15
3
7.62
30
6
15.24
45
9
22.86
1 to 2
60
12
30.48
5
0.25
0.635
10
0.50
1.27
15
0.75
1.905
30
1.5
3.81
45
2.25
5.715
30
2 to 1
60
3
7.652
5
1
2.54
10
2
5.08
15
3
7.62
30
6
15.24
45
9
22.86
1 to 1
60
12
30.48
5
2
5.08
10
4
10.16
15
6
15.24
30
12
30.48
45
18
45.72
1 to 2
60
24
60.96
5
0.5
1.27
10
1.0
2.54
15
1.5
3.81
30
3.0
7.62
45
45.5
11.43
60
2 to 1
60
6.0
15.24