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Two and three axis FABER-COM proportional joysticks can be used in a large variety of applications where is necessary to have a simple and reliable user interface to control construction machinery.
JS (with signal outputs, available also in ratiometric version) can only be used together with a logic control unit (PLC) or a power control device (PWM driver).
JP (with PWM outputs) can directly control hydraulic devices (pumps, distributors, dump valve) becoming often the only control unit of the whole machine.
JC thanks to its inputs, can collect a large numbers of control signals and transmit them through a CANbus network.
Designed and specifically conceived to reduce the amount of installation work, FABER-COM joysticks are manufatured with top quality parts.
The control electronics is located inside the housing and completely sealed to assure extreme tightness.
Joystick movements are derived from the measurement of the magnetic field produced by permanent ferromagnets; the measurement is taken through redundant Hall effect probes. This kind of probes are not subject to deterioration.
The configuration and calibration easiness makes these joysticks suitable for different applications.
The push button panel is completely customizable.
Here are some of the available options for the three models:
- "virtual cross" to forbid diagonal movements.
- linear or parabolic output curve.
- standard or capacitive dead man switch.
- adjustable dead band, indipendently for each semiaxis.
- Thumbwheel, for third prop. axis (not available in Danfoss version)
- Outputs lock if the hand-grip is not in neutral position at joystick turn on.
- Dump valve output with delayed turn off, to avoid high pressure spikes in the hydraulic circuit.
- Offset to compensate the hydraulic distributor dead band.
- Auxiliary output activated with logic and command levels user defined (software configurable).
- Two or three speed sets allow to regulate speed according to the machine configuration.
- Combination with only one proportional PWM output with many directional ON/OFF outputs.
- Tracked machines driving function, to directly control two pumps of an hydraulic driven machine with the up/down and left/right joystick movements (virtual 45° axis rotation).
- Dead man switch functionality active only with joystick in neutral position.
- Auxiliary inputs/outputs can be active high or active low (software configurable).
All the joystick have a FAULT output which is driven low if a failure occurs. The LEDs on the bottom side helps the user to check the correct joystick functionality and connections.
Analog current outputs are feedback controlled. ON/OFF outputs are protected againts short-circuits.
All the joysticks have a serial port to connect PRG2 serial programming keyboard (provided apart) to configure and calibrate the product.
All the joystiks are provided by default with 50 cm unpluggable cable but it is possible to require a customized wiring.
JS Specifications:
- customizable analog output signal range (ratiometric output also available)
- optional offset on the analog outputs (to compensate the hydraulic distributor deadband)
- 8 ON/OFF positive output at power supply voltage (300 mA max, protected against short-circuit)
JP Specifications:
- usable to control two or three proportional indipendent axis (4 or 6 PWM outputs) or just one proportional output (PWM) with 4 or 6 ON/OFF outputs
- up to three speed set, selectionable with two digital inputs
- one DUMP VALVE output, with delayed turn off
- one FAULT output
- indipendent regulation (for each semiaxis) of:
- minimum current
- maximum current
- rise timeramp
- fall timeramp
- PWM frequency adjustable from 50 to 300 Hz
JC Specifications:
- CAN V2.0B communication bus
- 5 analog inputs (2 of them software configurable as 4-20 mA inputs), 2.5V centered, usable to read
5 indipendent push buttons or 5 "rocker switch"-like push buttons
- 2 ON/OFF inputs (one of them can measure frequencies as PICK-UP input)
- 1 ON/OFF output
- push buttons power supply output, protected against to short-circuit
- serial port to configure and calibrate the joystick
The JC joystick is provided with the FABER-COM communication protocol.
On request it is possible to customize the communication protocol in order to link up the joystick to other customer CAN bus devices.
Common characteristics
The joysticks can be provided configured and calibrated according to customer requests. Otherwise the customer can directly configure and calibrate his joystick with a connection kit for personal computer (a serial adapter and an interface program for Windows® OS). The PC must have a serial port (direct or USB to RS232 converter).
Application examples
- Joystick with safety dead man switch (the switch has to be pushed when the hand-grip is in neutral position, otherwise all the outputs will be locked).
- Control of machines equipped with an ON/OFF hydraulic distributor (using directional outputs) and one proportional solenoid valve for oil flow regulation.
- Control of machines with different speed sets, selectable by one or two switches (e.g.: telescopic boom with reduced speed when the boom goes high).
- Driving of tracked machines with hydrostatic traction and contra-rotating track function.
- Machine with a second auxiliary pump activated when one or more movements intensity exceed a specified threshold.
