VD = Voltage drop at far end of run
I = Current Draw Device X n (n=number of units) (One 3120 + Two Milleniums 0.585) (One 3100 + One Millenium 0.335)
R = r X d r = Ohms per 1000’ d = end to end cable length X 2 (multiply by 2 because 2 cond24VDC & DC Common)
Device Current
# of Devices
Total Current Draw
(I) Current Draw
0.335
6
2.01
AMPs
Wire AWG OHMs per 1000 feet
Dead End Distance Feet OHMS
Resistance
12 AWG
1.7
600
1.2
Total Current (I)
Resistance
Voltage Drop
2.01
X
2.04
Dead End Voltage Drop
Total Voltage Drop Loop Back Power
Returning to Power Supply
4.1004
÷ 2
2.0502
Fill in the correct data in the Yellow boxes
The calcualtions will automatically compute
VD = (I x R) / 2*
*Divide by 2 if load is distributed along run
Summary of Contents for SEC 3000
Page 15: ...Doc 1460003 Rev A Operation Manual SEC 3000 Electro Chemical Gas Sensor Page 12 of 13 ...
Page 54: ...Part Number 3100 EXP MANUAL REV 11 20141007 FIGURE 4 SEC 3100 SEC Millenium Mounting ...
Page 55: ...Part Number 3100 EXP MANUAL REV 11 20141007 FIGURE 5 SEC 3100 SEC 3000 Mounting ...
Page 56: ...TB 1 J1 TB 2 J2 1 6 1 6 1 4 1 6 TB 5 J5 TB 6 J6 ...
Page 148: ...SEC 3120 Wiring TB 1 P3 TB 2 P6 1 6 1 6 1 2 3 4 1 2 3 4 7 6 5 4 3 2 1 TB 3 P1 TB 4 P5 ...
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Page 399: ...SEC P N 1460014 Rev ECO A 000209 Page 11 of 26 ...
Page 400: ...SEC P N 1460014 Rev ECO A 000209 Page 12 of 26 ...
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