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TYPE AV2 POSITIONER WIRING

B - 8

TYPE AV2 POSITIONER WIRING

This section covers the wiring connections for Type AV2

positioner:

1. Connect the four to 20-mA position demand signal wires to termi-

nals TB1-4 (+) and TB1-5 (-) of the terminal block (Fig. B-11). If you

have a Type AV2___0__ positioner, go to Step 4.

NOTE: If using a twisted shielded pair for signal wiring, ground one

end of the shielded pair at the source. Trim the other end of the pair,

located inside the enclosure, so that bare wires are not exposed.

2. If equipped with an optional 4 to 20-mA position transmitter

(AV2___2__), connect a 24-VDC power supply in series with the

required output load (Table 1-5) to terminals TB1-1 (+) and TB1-2 (-).

Figure B-10. Double Acting Tubing Example

NOTE: IN ANY INSTALLATION, DIRECTION OF PISTON TRAVEL CAN BE REVERSED BY

USING THE REVERSE ACTING CAM (LOCATED IN POSITIONER COVER) AND REVERSING

THE O1 AND O2 CONNECTIONS. GAGE DESIGNATIONS:

G1 = SIGNAL GAGE

G2 = OUTPUT GAGE (O1 PORT)

G3 = OUTPUT GAGE (O2 PORT)

T00773A

DIRECT ACTING

(BLACK) CAM

G3 G3

G2 G2

G1 G1

REVERSE ACTING

(RED) CAM

MOTION WITH

INCREASING SIGNAL

MOTION WITH

INCREASING SIGNAL

ABB AV2 User Manual

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