22 PowerMonitor 1000 Unit
Rockwell Automation Publication 1408-IN001E-EN-P - September 2013
RS-485 Point-to-point Typical Wiring
Terminals Wire Range
(1)
(1) 75 °C Cu wire only, 1 to 2 conductors per terminal (sol-sol or str-str).
Tightening Torque
V1, V2, V3, VN, I1+ I2+, I3+, I1-, I2-,
I3-, S1, S2, SCOM, NC, CR, CF1, L1, L2, Y,
K, Z
0.32…4 mm
2
(22…14 AWG) 0.8 N•m (7 lb•in)
RS-485 Communication 0.32…4 mm
2
(22…14 AWG) 0.56 N•m (5 lb•in)
Nine-pin Null Modem Cable
(Female/Female)
To Computer
RS-485 Wiring:
2/C Shielded Cable
Connect A to -, B to +
Connect shield at one end only
RS-485 to RS-232 Converter
Examples:
TERM
RS-232
A
B
COM
SHLD
CHS GND
CHS GND
DC NEUT
24V DC
+
-
SHLD
PowerMonitor 1000
RS-485
GRND
24V DC (by user)
* *
* 150 W Terminating Resistor (if used)
0.32…4 mm
(22…14 AWG)
Allen-Bradley 1761-NET-AIC (shown)
B&B Electronics 485SD9TB
2
