3321 datasheet(22/29 Pages) BURKERT

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Type 3361

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5.3. Electrical control and interfaces

Interface diagram

The position of the actuator is controlled

according to the position setpoint. The position

setpoint is given either by an external standard

signal (analogue) or via a fieldbus (digital).

Analogue control

For the analogue control 2 variants each are

available for the inputs and outputs and the

connection interface.

Inputs and outputs:

• 1 analogue input, 1 digital input

• 1 analogue input, 1 digital input,

1 analogue output, 2 digital output

(optional)

• 1 analogue input process actual value (for

optional version with process controller)

Interface:

• Cable gland with connection terminal (only

AG2)

• M12 circular plug-in connectors (optional)

Input for actual

process value *

4 ... 20 mA

Frequency

Pt 100

Input for process or

positon set point

4...20 mA

0...20 mA

0...10 V

0...5 V

Digital input

24 V DC

Electromotive

control valve

2 Digital ouputs

24 V PNP

Analogue

feedback

4...20 mA

0...10 V

Operation

Note:

Optionals outputs are

represented with a broken line

Fieldbus

büS / CANopen

Control data

Analogue setpoint input

Galvanically isolated from supply voltage and analogue output

0/4…20 mA (input resistance < 70 Ω)

0…5/10 V (input resistance 22 kΩ)

Analogue output

Max. current 10 mA (for voltage output 0…5/10 V)

Burden (load) 0…800 Ω (for current output 0/4…20 mA)

Digital input

0…5 V = log “0", 10…30 V = log “1" inverted input reversed accordingly

Digital output

PNP, Current limitation 100 mA

Analogue actual value signal input (optional)

4…20 mA

Input resistance: < 70 Ω

Resolution: 12 Bit

Frequency

Measuring range: up to 1000 Hz

Input resistance: > 30 kΩ

Resolution: 0.1 % of measured value

Input signal: > 300 mVss

Signal shape: sine, rectangle, triangle

Pt 100

Measuring range: - 20 °C…+ 220 °C

Resolution: 0.01 °C

Measuring current: 1 mA

Communication

Communication interface (büS)

Connection to PC via USB büS interface set

Communication software (büS)

Bürkert Communicator, see Type 8920 

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