System Description; Configuration And Function; Control Head For Integrated Installation On The 21Xx Series - Burkert 8691 Manuel D'utilisation

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Type 8691
Systemdescription
5
sysTem DescripTiOn
5.1
configuration and function
The control head Type 8691 can control single or double-acting process valves.
The control head Type 8691 has been optimized for integrated, modular installation on process valves of the 21xx
series. The module configuration permits a variety of expansion steps.
For installation on the 20xx series there is a special model which is described in chapter "5.1.2".
The valve position is recorded via a contactless, analog sensor element which uses the teach function to automati-
cally detect and save the valve end positions during start-up.
Apart from the electrical position feedback, the status of the device is optically displayed on the control head itself
by a colored high-power LED.
Option: Communication possible via AS-Interface or DeviceNet.
5.1.1
control head for integrated installation on the 21xx series
Views without transparent cap and body casing
24 V DC: Cable gland M16 x 1.5 or circular plug-in connector M12 x 1
Air intake filter (exchangeable)
Figure 1:
Design and function
Teach function
Description see chapter on the appropriate model
„Teach function (calibrating the end positions)"
Pilot air port
label: 1
Exhaust air port
label: 3
Pressure limiting valve (for protection against too high internal
pressure in case of error)
Device status display (Top LEDs)
Status display pilot valve
Screw terminals
Pilot valve (3/2-way or 5/2-way solenoid valve with hand lever)
Fastening screws (2x)
Connection housing
english
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