Power One AURORA PVI-AEC-EVO Guide D'installation Rapide page 99

PVI-AEC-EVO / PVI-AEC-EVO LIGHT
QUICK INSTALLATION GUIDE
2. RS485 Cable Specification
SINGLE TWISTED PAIR RS485 CABLE SPECIFICATION
Type of Cable
Cable Structure
AWG
Charateristic Impedance
Working Frequency
Capacitance
+T/R
- T/R
RTN
DOUBLE TWISTED PAIR RS485 CABLE SPECIFICATION
Type of Cable
Cable Structure
AWG
Charateristic Impedance
Working Frequency
Capacitance
+T/R
- T/R
RTN
RS485 EIA Application
1 twisted pair + 1 single conductor, shielded
22 - 24
Ω
120
1 kHz / 1 MHz
<50pF / m
RS485 EIA Application
2 twisted pairs, shielded
22 - 24
Ω
120
1 kHz / 1 MHz
<50pF / m
9 - APPENDIX
Twisted
Pair
Conductor
1° Twisted
Pair
2° Twisted
Pair