BURKERT TYPE 8605 - PWM control electronics for electromagnetic proportional valves

SKU : 8605

The digital control electronics Type 8605 are used to operate proportional solenoid control valves in a power range from 40-2000 mA....

หมวดหมู่ : Process & Control Valves Brand Burkert

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BURKERT TYPE 8605 - PWM control electronics for electromagnetic proportional valves

Proportional valve (PWM Valve) type 2836, 2861, 2863, 2865, 2871, 2873, 2875, 6024 ซึ่งใช้ร่วมกับ Type 8605 ซึ่งเป็นอิเลคโทรนิคคอนโทรลยูนิต ซึ่งทำหน้าที่ Convert สัญญาณ Analog เป็นสัญญาณ PWM

The digital control electronics Type 8605 are used to operate proportional solenoid control valves in a power range from 40-2000 mA. The electronics convert an external standard signal into a pulse-width modulated (PWM) signal, which enables infinite adjustment of the opening of the proportional valve and hence a fluidic output parameter (e.g. flow rate). An internal current control with the duty cycle of the PWM signal as an actuating variable ensures that every value of the input signal, irrespective of the thermal state of the coil, is unambiguously assigned a given value of the effective coil current. A display and operating keys allow the electronics to be easily adapted to a particular proportional valve and to the specific conditions of an application. In order to integrate the control unit - and thus also the proportional valve - into a higher-level controller, the CAN-based variant of the control unit (called büS) is required. Parameterisation and configuration of the proportional valve can be performed quickly and easily using the Bürkert Communicator software. Furthermore, the büS control electronics enables the integration of shut-off valves into büS/CAN systems. By using the integrated time control function, a shut-off valve can be opened or closed for a certain period of time. This enables, for example, batch control solutions in filling processes. Optionally, Type 8605 can be equipped with an additional I/O board. This allows the connection of external sensors or switches. The valve behaviour on these input signals can be configured (e.g. 2-point control).

  • Programmable digital electronic
  • Converts an analogue input signal into a PWM output signal
  • Adjustable PWM frequency
  • Digital communication (büS) possible
  • Optional integrated time control and digital/analogue inputs

 

1. Dimensions [mm] - Burkert type 8605

1.1 Type 8605 control for proportional valves

Cable plug with control unit (analogue version only)

Cable plug without control unit (analogue and bus versions, for bus version only M12 plug, 5-pin)

DIN rail version (analogue variant only)

1.2 Type 8605 (büS) control for shut-off/solenoid valves

Cable plug M12 plug, 5-pin

Cable plug M12 male connector, 5-pin and sensor input M12 female connector, 5-pin

2. Device/Process connections

2.1 Pin assignment

Type 8605 control for proportional valves


Type 8605 (büS) control for shut-off/solenoid valves

3. Product operation

3.1 Functional overview

Type 8605 control for proportional valves

  • Microcontroller controlled electronics
  • Compensation of solenoid coil heating by internal current control
  • Configurable ramp function
  • Adjustable zero point switch-off
  • Continuously adjustable PWM frequency
  • Easy adaptation of the minimum and maximum current (opening start or full opening) to the actual pressure conditions
  • Display and button (analogue version)
  • Switchable input standard signal (analogue version)
  • Digital communication based on CANopen (büS variant)

 

Type 8605 Can be combined with

*For selecting the correct product please refer to the technical data, images and notes for proper use according to the data sheet.

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