2015 Designer's Notebook - 55
TS
Specifications and Sizing
Specifications
Gage Resistance
350 Ω nominal
10 VDC maximum
Output Signal
21 mVDC maximum per sensor
at full load rating
Operating Temperature
-30˚C to 80˚C
Temperature Effect on Zero
0.02% of rating per ˚C
0.5% of full scale maximum
Combined Non-Linearity
and Hysteresis
Repeatability
Deflection at Full Load
Protection Class
Certification
Mating Cable Assembly
Mating Connector Only
For tensions "upward" in this view, the roll
weight is subtracted, i.e. - (W cos Y).
0.2% of full scale maximum
0.41 mm (0.016 inch) maximum
Wiring Diagram
Sine/Cosine Functions
Degrees
Sine
0
5
10
15
20
25
30
35
40
45
.0000
.0872
.1736
.2588
.3420
.4226
.5000
.5736
.6428
.7071
IP67
CE
Use LCC Cable series
12B220-1 (pin 1 + power; pin 2 +
signal; pin 3 - signal; pin 4 - power)
Cosine Degrees
1.000
.9962
.9848
.9659
.9397
.9063
.8660
.8192
.7660
.7071
50
55
60
65
70
75
80
85
90
Sine
Cosine
.7660
.8192
.8660
.9063
.9397
.9659
.9849
.9962
1.000
.6428
.5736
.5000
.4226
.3420
.2588
.1736
.0872
.0000
SIZING-2 Load Cell Application
To select the load cell, the total load on the sensing roll must be calculated. This load consists of the tension
components in the sensing plane, plus the roll weight components in the sensing plane. The equation for this
load is:
LOAD = 2T (sin (X/2)) + (W cos Y)
This is the total load. But, since tension transients are generally quite large, the "T" should be multiplied by 2,
and since there are two sensors supporting this load, the total load is divided by 2. The final equation for load
rating required for each sensor is then:
L=(4T (sin (X/2)) + (W cos Y)) ÷ 2
To select a load cell, apply this equation and choose a load cell with a load rating greater than L. For example,
if the roll weight is 10 lb, the maximum web tension is 25 lb, the angle Y is 35˚, and the wrap angle is 130˚,
the resulting load cell rating is:
L=(4 (25) (sin (130°/2)) + 10 cos 35°) ÷ 2
L = 49.4 lb
Therefore, use two TS-50-SC-EC12, TS-50-FC-EC12, TS-50-PC-EC12, TS-50-SR-EC12, TS-50-FR-EC12 or TS-50-PR-EC12
load cells.
SIZING-Single Strand Application
To select the load cell, the total load on the sensing roll must be calculated. This load consists of the tension
components in the sensing plane, plus the pulley weight components in the sensing plane. The equation for this
load is:
LOAD = 2T (sin (X/2)) + (W cos Y)
This is the total load. But, since tension transients are generally quite large, the "T" should be multiplied by 2.
The final equation for load rating required for the sensor is then:
L= 4T (sin (X/2)) + (W cos Y)
To select a load cell, apply this equation and choose a load cell with a load rating greater than L. For example,
if the pulley weight is 1 lb, the maximum web tension is 25 lb, the angle Y is 35˚, and the wrap angle is 130˚,
the resulting load cell rating is:
L=4 (25) (sin (130°/2)) + 1 cos 35°
L = 91.4 lb
Therefore, use a TS-150-SW-EC12, TS-150-FW-EC12 or TS-150-PW-EC-12 load cells.
Load Cells & Readouts
55
Load Cells & Readouts
Excitation Voltage
Table of Contents for the Digital Edition of 2015 Designer's Notebook
Table of Contents
2015 Designer's Notebook - Cover1
2015 Designer's Notebook - Cover2
2015 Designer's Notebook - Table of Contents
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2015 Designer's Notebook - Cover3
2015 Designer's Notebook - Cover4
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