Honeywell 272630D User Manual download pdf

272630D

Position Feedback and

Auxiliary Switch Accessory

For ML6984 and ML7984

INSTALLATION INSTRUCTIONS

APPLICATION

The 272630D auxiliary board is an optional

circuit board that is used in conjunction with

Series 4000 ML6984 and ML7984 globe valve

actuators. This auxiliary board combines the

function of an adjustable low voltage SPDT

auxiliary switch with a 2-10 Vdc or 4-20 mA

position feedback signal. It has a 4-pin keyed

connector for communications from the mother

circuit board.

SPECIFICATIONS

Feedback: 2-10 Vdc (10-2 V reverse acting)

into minimum impedance 500 Ω.

Maximum output current is

20 mA dc.

Auxiliary Switch: SPDT, 24 V, 50/60Hz, 1 A

inductive. Fixed differential

(3% of stroke), adjustable

operating point from 0 to

100% of stroke.

2005.04 RJ Printed in Canada Form No. 95C-10941

1 2 3 4

Summary of Contents

Page 1 - Auxiliary Switch Accessory

272630D Position Feedback and Auxiliary Switch Accessory For ML6984 and ML7984 INSTALLATION INSTRUCTIONS APPLICATION The 272630D auxiliary board is

Page 2 - OPERATION

272630D Auxiliary Board INSTALLATION When installing this product... 1. Read these instructions carefully. Failure to follow them could damage the pr

Page 3

The 272630D provides: 1. A 2-10 Vdc voltage proportional to the valve stem position. This output is capable of sourcing up to 20 mA dc drive current.

Page 4

Automatic and Control Solutions Honeywell International Inc. Honeywell Limited-Honeywell Limitee 1985 Douglas Drive North 35 Dynamic Drive Golden Vall

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Honeywell 272630D User Manual

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