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ABB AV2123000 Positioner User Manual

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TB1 CONNECTIONS

NOMENCLATURE

AV23?????

AV33?????

AV44?????

AV????1??

AV????2??

1 2 3

+ – +24

+ –

4 5

+ –

+ –

T00807A

Figure B-11. Wiring Connections

3. If equipped with optional potentiometric position transmitter

(AV2___1__), connect a power supply (maximum 35 VDC or 30 VAC)

across TB1-1 and TB1-3. Use the signal across TB1-1 and TB1-2 or

TB1-2 and TB1-3 for position transmitter feedback. Refer to

Appendix A for detailed information about position transmitters.

NOTE: Route the wiring inside the positioner so it does not become

entangled with moving parts. A cable clamp (Figure B-12) is provided

inside the positioner so entanglement can be avoided.

PILOT VALVE

OPTIONAL

MANIFOLD

ZERO

ADJUSTMENT

NUT

CONDUIT

HOLE

SPAN

ADJUSTMENT

ASSEMBLY

SPAN

ADJUSTMENT

SCREW

CABLE

CLAMP

ZERO

ADJUSTMENT

SET SCREW

T00774A

Figure B-12. Calibration Adjustments

TYPE AV2 POSITIONER WIRING

B - 9

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