Operator`s manual
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.
Figure 4-2. AC Power - Connector Labeling for Rear Connectors
+E
+S
-S
-E
+R
-R
* = CONNECT TO LOW VOLTAGE LIMITED ENERGY CIRCUITRY ONLY.
LINE
NEUTRAL
GND
L
N
P1
P2
P4
P5
P3
P9
P6 P7 P18A P18B
P9* & P3*
SIGNAL
INPUT
1
1
1
1
• • •
• • • • • • • • •
1111
• • •
• • •
• • •
• • •
••••••
1
• • • • • • • • • •
• • • • • • • • • •
119
P1 ~ AC
POWER
••••••••
1
+TX
-TX
+RX
N/C
N/C
-RX
N/C
N/C
1
2
3
4
5
6
7
8
P4* ETHERNET
N/C
RTN
RX
TX
RTS
N/C
N/C
N/C
-RX
-TX
+RX
+TX
6
5
4
3
2
1
6
5
4
3
2
1
P4* RS-232 P4* RS-485
N/C
RTN
N/C
TX
RX
N/C
FULL
HALF
RETURN
4-20MA
0-10V
1
2
3
P5* ANALOG
OUTPUT
PEAK(P)
SWLIN2
N/C
+5V
LOCKOUT EEPROM &
MENU PUSH BUTTON
NONSTANDARD RX
N/C
SP1
AL1
RTN EXT
TARE(T)
VALLEY(V)
EXT RESET
DIG RTN
DISPLAY HOLD
NONSTANDARD TX
+V EXT
SP2
AL2
2
4
6
8
12
14
16
18
20
10
1
3
5
7
9
11
13
15
17
19
P2*
CABLE CONNECTOR
RESET ALARM
NO1
CM1
NC1
1 2 3
NO2
CM2
NC2
NO3
CM3
NC3
NO4
CM4
NC4
1 2 3 1 2 3 1 2 3
P6 P7 P18A P18B
RELAY OUTPUT
4
Parts of the Meter
10