Type 8605
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DATA SHEET PWM Control Electronics for Solenoid Control Valves • Programmable digital electronics • Converts an anaog input signal to a PWM output signal • Adjustable PWM frequency • Digital communication possible (büS) • Optional integrated time control and digital/analog input signals Product variants described in the data sheet may differ from the product presentation and description. Type description The digital control electronics, Type 8605, serves to operate proportional solenoid control valves in the power range from 40 - 2000 mA. The electronics converts an external standard signal into a pulse-width modulated (PWM) signal with which the opening of the proportional valve and hence a fluidic output parameter (e.g. flow rate) can be infinitely varied. An internal current control with the duty factor of the PWM signal as valve control signal ensures that every value of the input signal, irrespective of the thermal condition of the coil, is unambiguously assigned a given value of the effective coil current. A display and operating buttons allow the electronics to be easily adjusted to a particular proportional valve and to the concrete conditions of an application. In order to integrate the control electronics - and thus the solenoid control valve - into a higher-level PLC system, a CAN based version (so called büS) is available. The parameterization and configuration of the solenoid control valve can be done quickly and easily by the Bürkert Communicator software. Furthermore, the büS control electronics allows to integrate shut-off valves into büS/CAN systems. By using the integrated time control function, a shutoff valve can be opened or closed for a certain time period. This serves, for example, batch control solutions in filling. As an option, Type 8605 can be equipped with an additional I/O board. This makes the connection of external sensors or switches possible. The behaviour of the valve on these input signals can be configured (e.g. 2-point control). 1000086949 | Standard | EU | en | 202001 | 10 © Christian Bürkert GmbH & Co. KG, Subject to alteration Visit prod

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Table of contents 1. General technical data Visit product website

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1. General technical data 1.1. Type 8605 control for proportional valves Product properties Dimensions Material Cable plug DIN rail Ramp function Version Analogue version büS version Detailed information can be found in chapter Cross reference. Polyamide / PC Polyamide / PBT Time adjustable from 0 to 10 sec. • Cable plug for direct mounting (terminal strip with PG bushing or M12 plug, 4-pin) Polyamide / PC Time adjustable from 0 to 10 sec. Cable plug for direct mounting (M12 plug, 5-pin) • DIN rail version (DIN EN 50022) Electrical data Operating voltage Power consumption Voltage tolerance...

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Approvals and certificates Degree of protection Cable plug Environment and installation Ambient temperature 2. Dimensions 2.1. Type 8605 control for proportional valves Cable plug with control unit (analogue version only) Note: Dimensions in mm M12 plug version 24 PG cable gland version Visit product website 

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Cable plug without control unit (analogue and bus versions, for bus version only M12 plug, 5-pin) Note: Dimensions in mm M12 plug version PG cable gland version Analog version M12 plug, 4-pole DIN rail version (analogue variant only) Note: Dimensions in mm Visit product website 

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2.2. Type 8605 (büS) control for shut-off/solenoid valves Cable plug M12 plug, 5-pin Note: Dimensions in mm M12 cable plug version Visit product website 

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Cable plug M12 male connector, 5-pin and sensor input M12 female connector, 5-pin Note: Dimensions in mm büS version: M12 plug, 5-pin M12 cable plug version Sensor input: M12 socket, 5-pin 3. Device/Process connections 3.1. Pin assignment Type 8605 control for proportional valves Cable plug PG feed-through Element Standard signal + Standard signal GND GND +12…24V DC Element Standard signal GND GND + 12…24 V DC Standard signal + Cable plug M12 plug, 4-pin Visit product website

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Element Valve Valve Standard signal + Standard signal GND GND + 12…24 V DC Cable plug M12 plug 5-pin (büS variant) Element Shield 12…24 V GND CAN_H CAN_L Element Shield 12…24 V GND CAN_H CAN_L Type 8605 (büS) control for shut-off/solenoid valves Cable plug M12 plug 5-pin (büS variant) Visit product webs

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Element Shield 12…24 V GND CAN_H CAN_L Element DI2 (Digital input, frequency input) 24 V DC AI1/DI1 (Analogue input, digital input) GND 4. Product operation 4.1. 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) •...

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Type 8605 (büS) control for shut-off/solenoid valves • Microcontroller controlled electronics • Digital communication on CANopen basis • Integrated time control function • Switching counter • Energy-saving operation through power reduction • Optional digital/analogue inputs, if required with 2-point control, for version with sensor input 5. Ordering information 5.1. Bürkert eShop – Easy ordering and quick delivery Bürkert eShop – Easy ordering and fast delivery d You want to find your desired Bürkert product or spare part quickly and order irectly? Our online shop is available for you 24/7....

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5.3. Ordering chart Type 8605 control for proportional valves Note: • For two possible current ranges, the smaller one should be preferred. Cable plug with M12 connection without control unit DIN rail DIN rail DIN rail Cable plug with M12 connection büS PWM1.) Cable plug with M12 connection büS PWM1.) Cable plug with M12 connection without control unit Cable plug with PG gland without control unit Cable plug with PG gland Cable plug with M12 connection Cable plug with PG gland Cable plug with M12 connection Cable plug with PG gland without control unit Max. coil current range • When using...

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