Type 3285

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Environment and installation

Installation position

As required, preferably with actuator upright

Ambient temperature

- 10 °C…+ 60 °C

(Derating see chapter “6.1. Duty cycle derating diagram” on page 10)

1.) The characteristic values of the control behaviour depend on the operating conditions and refer to the final value.

1.2. Electrical control and interfaces

Technical data Device variant

Standard (G/H)

Positioner (C)

Process controller (D)

ON/OFF (G)

Control valve (H)1.) Analogue

Digital (fieldbus) Analogue

Digital (fieldbus)

Electrical

connection

M12 plug,

A-coded, 8-pin

M12 plug,

A-coded, 8-pin

M12 plug,

A-coded, 8-pin

M12 plug,

A-coded, 5-pin

M12 plug,

A-coded, 8-pin

and M12 socket,

A-coded, 5-pin

M12 plug,

A-coded, 5-pin

and M12 socket,

A-coded, 5-pin

Input signal

(setpoint)

Digital input: 0…5 V

(log. 0, valve

closed) or

10…30 V

(log. 1, valve open)

4…20 mA,

0…10 V or

PWM (800 Hz)

min: 10 V | type:

24 V | max: 30 V)

4…20 mA,

0…20 mA,

0…10 V or

0…5 V

–

4…20 mA,

0…20 mA,

0…10 V or

0…5 V

–

Input signal

(actual value

from ext.

Sensor)

–

–

–

–

4…20 mA,

0…20 mA,

0…10 V or

0…5 V

4…20 mA,

0…20 mA,

0…10 V,

0…5 V or

frequency

(5…2000 Hz)

Input imped-

ance for

analogue input

22 kΩ

60 Ω (current),

22 kΩ (voltage)

60 Ω (current),

22 kΩ (voltage)

–

60 Ω (current),

22 kΩ (voltage)

60 Ω (current),

22 kΩ (voltage)

Output signal

(actual value)

Digital output: PNP,

max. 100 mA

current limits,

feedback function

(output signal

active, when valve

closed)

Digital output: PNP,

max. 100 mA

current limits,

feedback function

(output signal

active, when valve

closed)

0/4…20 mA

(max. load: 560

Ω),

0…5/10 V

(max. current:

10 mA)

–

0/4…20 mA

(max. load: 560 Ω),

0…5/10 V

(max. current:

10 mA)

–

Fieldbus

interface

–

–

–

büS/CANopen

–

büS/CANopen

Parameteriza-

tion Tool

–

–

Bürkert

Communicator

(Connection via

büS stick)

Bürkert

Communicator

(Connection via

büS stick)

Bürkert

Communicator

(Connection via

büS stick)

Bürkert

Communicator

(Connection via

büS stick)

1.) The standard control valve variant is a proportional valve which, like the positioner variant, changes the valve stroke continuously depending on the input signal. This variant has no

büS interface and no analogue output signal.