PowerLogic PM820 - Connecting to a 4-Wire Daisy Chain (CM2000)

© 2006 Schneider Electric All Rights Reserved
63230-500-224A1 PowerLogic
®
Series 800 Power Meter
6/2006 Chapter 5—Communications
EN–39
ENGLISH
Connecting to a 4-Wire Daisy Chain (CM2000)
When wiring a power meter to a 4-wire daisy chain supporting a
CM2000, you will need to use a 4- to 2-wire converter.
Figure 5 – 5: Using a 4- to 2-wire converter to connect a PM800 to a CM2000
Notes:
• CM2000 to CNV100:
CM2000 (RX+ = Green, RX– = White, TX+ = Red, TX– = Black, Shield = Gray)
CNV100 (RX+ = Green, RX– = White, TX+ = Red, TX– = Black, Shield = Gray)
• PS24 to CNV100: + = Red, – = Black
• CNV100 to PM800: Shield = Gray, – = White with blue stripe, + = Blue with white stripe
RX+RX– TX+ TX–
TX+
TX–
RX+ RX–
SHLD
–
+
18
19
20
PM800
CM2000
—
+
—
+
–
+
CNV100PS24
Belden 8723 or
equivalent
3090MCT485
Terminator
MCT2W
Terminator
PLSD110063
(supplied with CNV100)