Rear Of The Meter; Figure 4-2A Ac Power - Connector Label For Rear Connectors - Omega DP461-S 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
label on the top of the mounting sleeve (not the case) identifies the location
of the connectors found at the rear of the meter. Figure 4-2A & figure 4-2B
shows this label.
PEAK/VALLEY OR EXT RESET
P4 / RS232
NUETRAL N
Figure 4-2A. AC Power - Connector Label for Rear Connectors
4-3
TARE(T)
VALLEY(V)
DIG RTN
DISPLAY HOLD
RESET ALARMS AND/OR
PRINT COMMAND
NONSTANDARD TX 13
6 N/C
5 COMM RTN
4 RX
3 TX
2 RTS
1 N/C
P6 / RELAY
1 2 3
P8 / BCD (see manual for pinout)
P1 / AC
1
POWER
LINE L
1
P1
GND
CONNECT TO LOW VOLTAGE LIMITED ENERGY CIRCUITRY ONLY.
P2 / CABLE CONNECTOR
1 2 PEAK(P)
3
4 SWLIN2
6 PUSH TO CAL
5
8 +5V
7
9 LOCKOUT EEPROM &
10
9
MENU PUSH BUTTON
11
11
12 NONSTANDARD RX
14 PUSH TO CAL
+V EXT 15 16 SP1
SP2 17 18 AL1
20 RTN EXT
AL2 19
P4 / RS485
6 N/C
5 B,-RX
4 A, +RX
3 COMM RTN
2 B, -TX/RX
1 A, +TX/RX
P7 / RELAY
1 2 3
P9&P3 / SIGNAL IN
P8 or P16
1
P6 P7
P5
P4
1
P2
1
P5 / ANALOG OUT
1 RETURN
2 4-20MA
3 0-10V
* NOT AVAILBALE
WITH=DC POWER
*
P18 / 4RELAY
1 2 3 4 5 6
+E
1
+S
P9
- S
1
1
- E
P3
+R
19
- R