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    Nanjing CUH Science And Technology Products



    Digital Frequency Variable Vibratory Feeder Controller

    Model:SDVC31-S

    Functions:

    1. Automatic Digital Voltage Stabilization: This embedded function can effectively reduce the feeding speed variety caused by mains voltage fluctuation, as well as the beat effect caused by AC.

    2. Soft-Startup: Output voltage increases from 0 to the preset value gradually when startup. This feature enables users to turn the vibrators on gently, and this ramped on-cycle helps reduce parts from falling off. It also reduces damage by eliminating the jolt the vibratory units experiences each time the unit is turned on.

    3. Soft-Startup Adjustable: The time-period of the ramped on-cycle that soft-startup takes can be set digitally and accurately.

    4. Max Output Restrictable: Restriction of the maximum output voltage is variable; this helps vibrator producers protect their products against end usersĄŻ incorrect operations.

    5. Remote Speed Control: The output voltage can be controlled directly via external potentiometers, PLC or voltage signal ranging from 1V to 5V.

    6. Overheat Protection: The controller will shut off the output to avoid further damage when its temperature gets too high.

    7. Over-Current Protection: The controller will shut off the output when its working current exceeds the rated current to avoid further damage.

    8. Short Circuit Protection: The controller will shut off the output immediately when an output short circuit occurs, until the controller is reset.

    9. Auto Stop on Workpieces-Full(abbr. ASWF): The auto stop on workpieces-full function is realized with NPN type sensors, and enhanced by adjustable soft-startup, on-delay, off-delay, logic relationships, etc.

    10.Intelligent Photo Optic Sensors(IPO sensors): Both the auto stop on workpieces-full and auto stop on workpieces-none functions are realized with self adapting IPO sensors, and enhanced by adjustable soft-startup, on-delay, off-delay, and logic relationships, etc.

    11.Linear Output: Specially optimized CPU program ensures the linearity of output-voltage-knob's graduation. The output voltage varies exactly linearly when the knob is rotated.

    12.RS485 Networking: The controllers can communicate with DCS, PLC or computers via RS485 connection, and set up automation and control networks with them.

    13.Digital Control: All parameters are set digitally.

    14.Frequency Variable: The output frequency is variable continuously and can be set accurately by users.

    15.Acceleration: The maximum output voltage of controllers with this function can be as high as 120% of mains voltage.

    16.Sensitive-Touch Power Switch: A sensitive-touch film button is designed on the panel for convenient power on or off.

    17.Keyboard Locker: All keys can be locked at any time to avoid misoperation by pressing down the sensitive-touch output switch for 2 seconds.

    18.Control-Out: On/Off control signal is sent out via transistors, which can be used to control external devices like valves, etc, so as for working with the controller itself.

    19.Waveform Coefficient Variable: Users can balance the output waveform between the most efficient or powerful.

    20.Default Restorable: Users can restore all the parameters to factory default by using this function; this sets the controller back to factory default.

    Technical specifications

    Table : SDVC31-S Technical specifications
    Items Values Units Descriptions
    Min Max
    Input Voltage 85 260 V
    Output voltage 0 260 V ≦Mains voltage
    Voltage adjust precision 1 V
    Output current 0 1.5 A
    Output Frequency 40 400 Hz
    Frequency adjust precision 0.1 Hz
    Max output power 330 VA
    Output wave form Sine
    Range of delays 0 20 s
    Precision of delays 0.1 s
    Soft-start time-period 0.0 10.0 s
    Voltage stabilizing response speed < 0.02 s
    Voltage stabilization precision < 1 V ΔVin=10%
    Idle running energy consumption 1.5 3 W
    Overheat threshold 62 70
    Short circuit threshold > 1.5 A
    Overcurrent threshold 1.5 A
    Auxiliary power voltage 22 26 V DC
    Auxiliary power current 0 200 mA DC
    Human interface 6 Keys +5 Bits LED
    Operating temperature -20 60 Non-condensing
    Humidity 0 95 %

    Additional:

    Table : Additional
    Items Descriptions
    Dimension 190*53.6*94.5(L*W*H, mm)
    Net weight 471g
    Standard sales package accessories
    Mains cable (1.5m)
    Output cable (1.5m)
    Optional accessories
    Intelligent Photo Optic Sensors(IPO sensors)

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