Deskripsi
Electric Operator
Product name: SFD-2003 electric operator
Product number: SY-111833-459
Specification model: SFD-2003
Category : Actuator – Electric actuator
Brand : Shanghai Automation Instrument
SFD electric operator is an auxiliary unit in S series instruments. It is used together with electric actuators and DDZ-Ⅲ electric unit combination instruments. It is widely used in thermal power plants, steel plants, chemical industry, light industry and other industrial sectors.
□ Working principle
The SFD type electric operator performs bumpless switching and operation from “manual” to “automatic” (automatic to manual) through membrane push button switches and relays.
The SFD operator is mainly composed of membrane switches, relays, solid-state displays and control circuits.
Model Specifications :
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Instrument name
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Model, specification
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Main technical performance
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Overall dimensions (mm)
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Installation hole size mm
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Remote operator
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SFD-1002
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1. With A/M disturbance-free switching and manual valve position 2. With valve position signal display
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80×160×250
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75 +1 ×153 +1
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SFD-1003
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72×72×250
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68 +1 ×68 +1
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Conditions of Use :
Power supply voltage: 220V AC+10-5%V50±1%Hz
Tracking voltage: 1~5V DC
Ambient temperature: 0～50℃
Relative humidity: 10-85%
Atmospheric pressure: 86～106Kpa
Mechanical vibration: vibration frequency f=10～55Hz, amplitude K=0.075mm
Ulasan
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