Johnson Controls VA-77 Series Скачать руководство пользователя страница 9

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PB_VA-7700_Electricl Valve Actuators_02 2011

VA-7740-xx01■-■Floating■models,■24■VAC■supply

VA-7740-xx03■-■Floating■models,■230■VAC■supply

VA-7746-xx01■-■Proportional■models,■24■VAC■supply

WARNING:■■

Equipment■Damage■Hazard

•

On■24■V■models■with■manual■override,■it■is■not■

permitted■to■connect■voltages■greater■than■■

24■V■to■terminals■10,■11,■and■12

Wiring■Diagrams■

(Models with mechanical manual override)

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Содержание VA-77 Series

Страница 1: ...des Enables sequence control Magnetic clutch Provides constant output force for close off of valves and protects motor in stall conditions Control Signal failure stem to pre determined position Actuat...

Страница 2: ...ectrical and Mechanical VA 7746 8201 24 VAC Electrical and Mechanical These actuators can be combined with the following valve ranges VG7000 Series Threaded Valves Female and male threaded valves Thes...

Страница 3: ...ranges The standard control signals are selected by setting DIP switches 3 and 4 switch see paragraph DIP switch settings It is recommended to set the actuator to the desired control signal and actio...

Страница 4: ...um and the maximum control signal values are stored in the memory of the actuator When the auto calibration cycle is completed the LED stop flashing the actuator stem moves to the position that corres...

Страница 5: ...VDC 3 0 10 VDC 4 4 3 5 10 VDC 5 4 6 Direct Acting mode 3 Free Range 7 Electrical manual override off 4 8 Signal failure position pre set Up 5 0 20 mA 5 4 20 mA 6 Action 6 DA 6 RA 7 Electrical Manual...

Страница 6: ...nd the LED indicate a general alarm code If the problem is cleared however the actuator continues normal function Fault mode If the actuator enters fault mode the LED will flash as shown The indicatio...

Страница 7: ...tion The controller 0 10 V output can operate several actuators with built in electronic positioner The number of actuators that can be linked to a single controller depends on the controller s active...

Страница 8: ...d lead to an abnormal operating condition that could cause personal injury or damage to the equipment or other property other devices limit or safety controls or systems alarm or supervisory systems i...

Страница 9: ...g models 230 VAC supply VA 7746 xx01 Proportional models 24 VAC supply WARNING Equipment Damage Hazard On 24 V models with manual override it is not permitted to connect voltages greater than 24 V to...

Страница 10: ...ors_02 2011 VA 7700 xx01 Floating models 24 VAC supply VA 7700 xx03 Floating models 230 VAC supply VA 7706 xx01 Proportional models 24 VAC supply Wiring Diagrams Models without mechanical manual overr...

Страница 11: ...11 PB_VA 7700_Electricl Valve Actuators_02 2011 Dimensions in mm VA 77xx 82xx 87 90 VA 77xx 10xx A 25 mm VA 770x actuators without manual override A 80 mm VA 774x actuators with manual override...

Страница 12: ...250 0 4 20 mA Resolution 0 5 up to 200 steps on 20 mm stroke Feedback ratings max 2mA at 0 10 VDC 5 k Manual contact micro switch max load 2A Resistive 1A Inductive 24 VAC 24 V switch 2A Resistive 1A...