MSA General Monitors S4100C - 9.0 Appendix A 35; 9 0 Appendix A 35; Maximum Sensor Cable Length; Maximum Smart Transmitter Cable Length

Model S4100C
35
9.0 Appendix A
9.1 Maximum Sensor Cable Length
Note: Cables to be screened and armoured to BS5308 Part 2 or equivalent.
References to Sq. mm and AWG are not to be taken as direct equivalents.
Maximum Sensor Cable length for various conductor sizes:
Conductor Size
Maximum Cable Length
Sq. mm
AWG
metres
feet
0.75
20
185
500
1.0
18
250
780
1.5
16
370
1000
2.0
14
500
1580
2.5
12
620
2400
9.2 Maximum Smart Transmitter Cable Length
Maximum Smart Transmitter Cable Length for various conductor sizes and power
supply voltages with a 100mA load on each of the three open collector outputs:
Note: When open collector outputs are not connected, use values in parenthesis.
Conductor Size
Maximum Cable Length
Power Supply Rating
Cable
Drop
sq mm
AWG
metres
feet
VDC
mA max
total VDC
0.75
20
160
(330)
440
(910)
35.0
575
(275)
5.0
1.0
18
215
(450)
680
(1420)
1.5
16
320
(660)
860
(1820)
2.0
14
430
(900)
1375
(2850)
2.5
12
535
(1125)
2100
(4400)
0.75
20
290
(550)
800
(1520)
35.0
630
(330)
10.0
1.0
18
390
(750)
1220
(2375)
1.5
16
580
(1100)
1600
(3025)
2.0
14
780
(1500)
2500
(4800)
2.5
12
975
(1875)
3800
(7380)
0.75
20
390
(680)
1050
(1850)
35.0
710
(410)
15.0
1.0
18
520
(900)
1650
(2850)
1.5
16
780
(1360)
2110
(3670)
2.0
14
1040
(1800)
3350
(5775)
2.5
12
1300
(2250)
5150
(8850)
0.75
20
290
(550)
800
(1520)
30.0
630
(330)
5.0
1.0
18
390
(750)
1220
(2375)
1.5
16
580
(1100)
1600
(3025)
2.0
14
780
(1500)
2500
(4800)
2.5
12
975
(1875)
3800
(7380)
0.75
20
390
(680)
1050
(1850)
30.0
710
(410)
10.0
1.0
18
520
(900)
1650
(2850)
1.5
16
780
(1360)
2110
(3670)
2.0
14
1040
(1800)
3350
(5775)