Installation and Wiring
FP
Σ
User's Manual
94
6.7.1 Transmission
Cables
Please use the following cables for systems using RS485 type communication cassettes.
Conductor
Insulator
Type
Size
[mm
2
]
Resistance (at
20°C) [
Ω
/km]
Material
Thickness
[mm]
Cable
diameter
[mm]
≥
1.25
(AWG16)
≤
16.8
≤
0.5
≈
8.5
Shielded twisted pair
1
2
3
4
≥
0.5
(AWG20)
≤
33.4
Polyethylene
≤
0.5
≈
7.8
VCTF
1
2
3
≥
0.75
(AWG18)
≤
25.1
Polychlorinated
biphenyl
≤
0.6
≈
6.6
1
Cover
2
Insulator
3
Conductor
4
Shield
NOTE
•
Only use shielded twisted pair cables.
•
Only use one type of transmission cable. Do not mix more than one type.
•
Twisted pair cables are recommended in noisy environments.
•
When using shielded cable with crossover wiring for the RS485
transmission line, ground one end.
•
If two wires are connected to the plus and minus terminals of the RS485
port of FPG-COM4, use wires of the same cross-sectional area (0.5–
0.75mm
2
).
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Страница 82: ...Chapter 6 Installation and Wiring...
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Страница 116: ...Chapter 7 High Speed Counter and Pulse Output...
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Страница 170: ...Chapter 8 Communication...
Страница 227: ...Communication FP User s Manual 210 LD Body ST Body...
Страница 233: ...Communication FP User s Manual 216 POU Header LD Body...
Страница 236: ...FP User s Manual 8 6 Program Controlled Communication 219 POU Header LD Body 1 2...
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Страница 266: ...Chapter 9 Security Functions...
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Страница 278: ...Chapter 11 Troubleshooting...
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