ABB AC 800M

Thin Cable Section 2 Transmission Media and Components
30 9ARD000015-600
Table 16. Electrical Characteristics of Data Pair Specification for Thin Cable
Electrical Characteristics Specification
Impedance 120 Ohms +/- 10% (at 1 MHz)
Propagation delay 1.36 nSec/ft (maximum)
Capacitance between conductors 12 pF/ ft at 1 kHz (nominal)
Capacitive unbalance 1200 pF/1000 ft at 1 kHz (nominal)
DCR - @ 20° C 28 Ohms/1000 ft (maximum)
Attenuation 0.29 db/100 ft @ 125 kHz (maximum)
0.50 db/100 ft @ 500 kHz (maximum)
0.70 db/100 ft @ 1.00 MHz (maximum)
Table 17. Physical Characteristics of DC Power Specification for Thin Cables
Physical Characteristics Specification
Conductor pair Size #22 Copper (minimum); 19 strands
minimum (individually tinned)
Insulation diameter 0.055 inches (nominal)
Colors Red, Black
pair/Twist/ft 5 (approximately)
Tape shield over pair 1.0 mil/ 1.0 mil, Al/Mylar
Al side out w/shorting fold (pull-on applied)
Table 18. Electrical Characteristic of DC Power Specification for Thin Cable
Electrical Characteristic Specification
DCR - @ 20° C 17.5 Ohms/1000 ft (maximum)