Rockwell Automation Allen-Bradley PowerMonitor 1000 Manuel Utilisateur page 32

Chapitre 2 Installation et configuration
RS-485 to RS-232 Converter
Examples:
Allen-Bradley 1761-NET-AIC (shown)
B&B Electronics 485SD9TB or USOPTL4
*
RS-232
32
Figure 23 - Câblage typique RS-485 point à point
Bornes
V1, V2, V3, VN, I1+ I2+, I3+,
I1-, I2-, I3-, S1, S2, SCOM, NC,
CR, CF1, L1, L2, Y, K, Z
Communication RS-485
(1) Câble Cu 75 °C uniquement, 1 ou 2 conducteurs par borne (rig-rig ou tor-tor)
Figure 24 - Câblage typique RS-485 multipoint
TERM
A
B
COM
RS-485 Wiring:
2/C Shielded Cable 0.32...4 mm (22...14 AWG)
SHLD
Connect A on converter to - on each PowerMonitor 1000.
CHS GND
Connect B on converter to + on each PowerMonitor 1000.
Connect shield at one end only of each link.
Maximum cable length 1219 m (4000 ft.).
* 150 W Terminating Resistor (if used)
Nine-pin Null Modem Cable
(Female/Female)
To Computer
24V DC
24V DC (by user)
DC NEUT
CHS GND
GRND
Publication Rockwell Automation 1408-UM002A-FR-P - Juillet 2015
(1)
Plage de section de câble
2
0,32 à 4 mm (22 à 14 AWG)
2
0,32 à 4 mm (22 à 14 AWG)
RS-485
+
-
SHLD
2
PowerMonitor 1000
RS-485
+
*
-
SHLD
PowerMonitor 1000
Couple de serrage
0,8 Nm
0,56 Nm
RS-485
+
-
SHLD
PowerMonitor 1000
RS-485
+
-
SHLD
PowerMonitor 1000