Rear Of The Meter; Figure 4-2 Connector Label (Ac Powered And Dc Powered Detail) - Omega DP41-B User Manual

4
Parts of the Meter

4.2 REAR OF THE METER

The following is a brief description of each part of the rear of the meter. The labeling on the top of the
mounting sleeve (not the case) identifies the location of the connectors found at the rear of the meter.
Figure 4-2 shows this labeling.
P1 DC
POWER
CONNECTOR
DETAIL
N/C
1
+
P1
-
Figure 4-2. Connector Label (AC-Powered and DC-Powered Detail)
10
RELAY OUTPUT
P6 P7
1 2 3
1 2 3
P4* RS-232
6
N/C
5
RTN
4
RX
3
TX
2
RTS
1
N/C
P4* ETHERNET
1 +TX
2 -TX
3 +RX
4 N/C
5 N/C
6 -RX
7 N/C
8 N/C
P1 ~ AC
POWER
LINE L
1
NEUTRAL N
GND
* = CONNECT TO LOW VOLTAGE LIMITED ENERGY CIRCUITRY ONLY.
P18A P18B
1 2 3 1 2 3
P4* RS-485
FULL
HALF
N/C 6 N/C
RTN 5
N/C
N/C 4 -RX
TX 3 -TX
RX 2
+RX
N/C 1 +TX
P5* ANALOG
OUTPUT
1 RETURN
2
4-20MA
3 0-10V
• • • • • • • • • • • •
1 1 1 1
P6 P7 P18A P18B
P4
1
P2
P1
• • • • • • • • • •
• • • • • • • • • •
1
1
+E
P9
+S
1
1
-S
P5
-E
1
+R
P3
-R
19
P9* & P3*
SIGNAL
INPUT