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ABB AV2123000 Positioner User Manual

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POSITION TRANSMITTERS

a. Remove the cam, by removing the screw, flag, nut and

washer (Fig. A-5 and Table A-2).

FLAG

58

91

27

60

31

96

CAM

LARGE GEAR

SMALL GEAR

SET SCREW

92

95

21

MOUNTING

BRACKET

POTENTIOMETER

(2000 ) Ω

NOTES:

1. SOME HARDWARE ITEMS HAVE

BEEN OMITTED FOR CLARITY.

2. IDENTIFIED ITEMS PERTAIN TO

THE POSITION TRANSMITTER

OPTION ONLY.

TERMINAL

BLOCK TB1

T00790A

Figure A-5. 4 to 20-mA Position Transmitter (Exploded View)

Table A-2. 4 to 20-mA Position Transmitter Kit 258670_1

Item

No.

Part No. Qty Description

21 6639540_1 1 Potentiometer assembly

27 193243_1 1 Large position transmitter gear

31 19734_45 1 Washer

58 NDPAC13005 2 Threaded forming screw

60 5400317_1 1 Gear adapter

91 6639479_1 1 4 to 20 mA position transmitter assembly

92 NDPAC13012 2 Threaded forming screw

95 5400268_1 1 Potentiometer mounting bracket

96 193242_1 1 Small position transmitter gear

CALIBRATION

A - 7

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