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MODEL 3081 pH/ORP SECTION 3.0
WIRING
REMOVE BNC AND TERMINATE COAXIAL CABLE BEFORE WIRING SENSOR TO
TRANSMITTER. SEE FIGURE 3-23. ALTERNATIVELY, USE A BNC ADAPTER (PN
9120531) OR ORDER MODEL OPTION -62 (SENSOR WITH BNC REMOVED AND
TERMINATIONS COMPATIBLE WITH 3081 pH/ORP). IF USING A BNC ADAPTER,
THE RED WIRE IS MV OR pH IN AND THE BLACK WIRE IS REFERENCE IN. TO
PREVENT SHORT CIRCUITS TO THE TRANSMITTER HOUSING, INSULATE THE
BNC WITH BY WRAPPING IT WITH ELECTRICAL TAPE.
FIGURE 3-6. Wire functions for Models 397-50, 397-54, 396-50,
396-54, 396R-50-60, 396R-54-60, 389-02-50, and 389-02-54
before removing BNC and terminating cable.
IF USING ABNC ADAPTER, THE RED WIRE IS MV OR pH IN AND THE BLACK WIRE
IS REFERENCE IN. TO PREVENT SHORT CIRCUITS TO THE TRANSMITTER
HOUSING, INSULATE THE BNC WITH BY WRAPPING IT WITH ELECTRICAL TAPE.
FIGURE 3-7. Wire functions for Models 397-50, 397-54, 396-50,
396-54, 396R-50-60, 396R-54-60, 389-02-50, and 389-02-54 after
removing BNC and terminating cable. Wire functions for
Models 397-54-62, 396-54-62, and 389-02-54-62 as received.
NOTES:
1. PLACE PREAMPLIFIER SELECTION SWITCH S1 IN "TRANSMITTER" POSITION
(SEE SECTION 2.2).
2. IF SENSOR HAS 3K BALCO RTD, SET JUMPER (SECTION 2.2) AND PROGRAM
TRANSMITTER TO RECOGNIZE RTD (SECTION 8.5-pH OR 10.5-ORP)
3. JUMPERS SUPPLIED BY CUSTOMER.
FIGURE 3-8. Wiring diagram for Models 397-50, 397-54, 396-50,
396-54, 389-02-50, and 389-02-54 after removing BNC and termi-
nating cable. Wiring diagram for Models 397-54-62, 396-54-62, and
389-02-54-62 as received. Wiring directly to the transmitter.
NOTES:
1. PLACE PREAMPLIFIER SELECTION SWITCH S1 IN "SEN-
SOR/JUNCTION BOX" POSITION (SEE SECTION 2.2).
2. IF SENSOR HAS 3K BALCO RTD, SET JUMPER (SECTION
2.2) AND PROGRAM TRANSMITTER TO RECOGNIZE RTD
(SECTION 8.5-pH OR 10.5-ORP)
3. SEE FIGURE 3-24 FOR TERMINATION OF RAW
INTERCONNECTING CABLE (PN 9200273).
4. JUMPERS SUPPLIED BY CUSTOMER.
FIGURE 3-9. Wiring diagram for Models 397-50,
397-54, 396-50, 396R-50-60, 396R-54-60, 396-54,
389-02-50, and 389-02-54 after removing BNC
and terminating cable. Wiring diagram for
Models 397-54-62, 396-54-62, and 389-02-54-62
as received. Wiring through a remote junction
box to the transmitter.
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