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Figure 4-3 shows the rear of the meter with the optional 4-relay output board
and a serial communications board installed.
Figure 4-3. Rear View
Figure 4-4 shows the rear of the meter with the optional BCD output board
and a serial communications output board installed.
Figure 4-4. Rear View
CONNECTOR #
DESCRIPTION
P1
AC Power Connector
P2
External I/O Connector
P3
Input Connector, –E, +R, –R
J4
Optional RS-232 or RS-485 Phone Jack Connector
P5
Optional Analog Out Connector
P6
Optional Form-C Relay #1 Connector
P7Optional Form-C Relay #2 Connector
P8
Optional BCD Connector
P9
Input Connector, +E, +S, –S
P18
Optional Form-C Relay #3 and #4 Connector
TABLE 4-1 Rear Connector Descriptions
1
2
3
P1
N
1
20
P2
1
2
3
P5
1
2
3
P3
P8
U1
L1
U20
L20
1
2
3
P9
J4
L
1
2
3
P1
N
L
P2
P6
P7
J4
20
1
1 2
3
1 2
3
1
2
3
P3
1
2
3
P9
P18
1 2 3
4 5 6
4
Parts of the Meter
4-5
Содержание DP461-S
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