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S/hart), Features – Burkert Type 8635 User Manual

Page 17

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8635 - 15

S

YSTEM

D

ESCRIPTION

(S/HART)

Position sensor
Very high resolution conductive plastic potentiometer

• Microprocessor controlled electronics

for signal processing, control and driving the piezoelectric positioning system; setpoint entry and
power supply are via a 4 ... 20 mA standard signal.

Operating elements
The device can be set (configuration and parametrization) locally via three inside keys. An inside, 8-
digit, 16-segment LC display is provided, which can also show the setpoint or actual value.

Positioning system
A piezoelectric positioning system serves to drive the valve actuator.

Position repeater (option)
via 2 inductive proximity switches (initiators)

Electrical interfaces
Cable bushing (M20x1.5) with screw terminals

Pneumatic interfaces
G1/4’’ interior thread

Housing
Aluminium housing (hard anodized and plastic-coated) with swing-up cover and captive screws.

Attachment
to linear actuators to NAMUR recommendation (DIN IEC 534 T6) or to part-turn actuators to
VDI/VDE 3845.
Option: integral attachment to Bürkert continuous valves

Features