Honeywell Auxiliary Board for ML6984/ML7984
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Position Feedback and Auxiliary Switch Accessory
For ML6984 and ML7984
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.
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.
Replaces Manufacturer Part Number: 272630D