Burkert Type 8625 Bedienungsanleitung PDF herunterladen (Seite 7)

8625-2 Standard - 5

english

2 FUNCTIONS

The temperature controller type 8625-2 is designed, in connection with a pro-

portional valve and a temperature sensor, to keep the temperature in a flowing

medium constant or to follow a given setpoint profile.

The functionality of the device is characterized by:

• Compact design, capable of direct installation on the proportional valve.

• May be combined with valve types 6022, 6023, 6024, 6223, 2832, 2834.

• Controller ouput directly to proportional valve in the form of a PWM signal;

this minimizes hysteresis and optimizes the control performance.

• Connection of PT100 sensor of any type to the actual value input (e.g.

types ST20 - 24).

• The standard signal input can be scaled to the control range actually

required (standard model only).

• Setting of setpoint value via standard 4 - 20 mA or 0 - 10 V signal, keypad

or bus.

• Digital control with a PI control algorithm and settable control parameters.

• Applications in heating and cooling possible.

• Display of setpoint or actual values (to choice) on an LCD display.

• Configuration with three keys.

For measured variables such as pressure, flow rate, conductivity,etc. we offer

suitable controllers, e.g:

• Type 8623-2 for flow rate control with frequency input for the sensor

• Type 8624-2 for pressure, flow rate, conductivity,etc. with standard

signal input for connection of a transmitter.

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Burkert Type 8625 Bedienungsanleitung Seite 7