Manual ST6/17 – ST8/17 controller

Manual ST6/17 - ST8/17 controller

This operating instruction applies to:

Type BoxColourDimensionsCode
ST6/17Fire-retardant plasticRAL 7035165 x 130 x 70PV ST617 Z2 STP
ST6/17AluminumGrey165 x 140 x 65PV ST617 Z2 STM
ST6/17Metallic BoxGrey240 x 130 x 110PV ST617 Z2 STD
ST6/17 - ST8/17Circuit145 x 115 x 45PV ST6(8)17 A2 STD
ST6/17 - ST8/17 DIN35Circuit145 x 140 x 55PV ST6(8)17 D2 STD
ST6/17 - ST8/17AluminumRAL 7035195 x 130 x 90PV ST6(8)17 Z2 SM1
ST6(8)/17 + PRX99CircuitPV ST6(8)17 D2 P99
ST6(8)/17 DIN35 IP20CircuitPV ST6(8)17 D2 120


  1. The controller is guaranteed for a period of 1 year from the date shown on the inside.
  2. The guarantee covers the free replacement or repair of components parts that are defective at origin for manufacturing errors.
  3. The guarantee is not valid for damage caused accidentally due to improper use or negligence and in case of alterations or repair carried out by unauthorized persons. Design and specifications could be subjected to change without notice.



This equipment conforms with ecc directive 2014/30/UE (EMC – Electromagnetic Compatibility) and directive 2014/35/UE (LVD – Low Voltage Directive)


Replacement policy

Please contact us through our contact page – Contact


Safety instructions

Indicates an immediate threatening danger.

Non-compliance with this information can result in death or serious personal injuries (invalidity).



Indicates a possibly dangerous situation.

Non-compliance with this information can result in death or serious personal injuries (invalidity).




Indicates a possibly dangerous situation.

Non-compliance with this information can result in damage to property or .light to medium personal injuries.




Indicates general notes, useful operator tips and operating recommendations which don’t affect safety and health of the personnel.







ST6/17- ST8/17 circuit is an evolution of ST6F-ST8F, circuit, specifically designed for those who use any PLC-controlled configuration (eg Static relay for ON/OFF inputs and 0/10V signals for remote control) without risk of signals interference .
The technical solutions implemented therefore make the applications safer and more protected.

A Status Relay has also been implemented, it indicates the status of the vibrator with contact in change and red LED.



General instructions

Before connect the equipment to the mains socket, make sure that the nameplate data match those of the mains power supply.

Only use this equipment in accordance with the porpouse for which it is designed; i.e. for regolation of the amplitude of an electromagnetic vibrator feeder. Any other use is to considered improper, therefore hazardous.

The Manufacturer cannot be held liable for any improper, incorrect or unreasonable use of the equipment, switch it off and do not tamper with it. If repair is needed, please contact the Manufacturer’s Technical.

Service Centre only, as they use original spare parts. Failure to observe the above the recommendations could impair the safety of the equipment.

All operations regarding adjustement, measurement and testing when required, must only be carried out by authorized and qualified personnel.

The Manufacturer shall accept no liability for damage to persons, animals or objects caused by work on the equipment carried out by unauthorized and unqualifield personnel.

Before switching on the equipment, connect the mains voltage, conforming to the current regulation, and the vibratory feeder.


Verifying that the installation has an appropriate ground wiring system.





NOTE : Don’t use the apparatus in proximity of subject zones to vibrations, or in acid and humid working environment

If vibratory feeder works bad or doesn’t work:

  • Check electric wires, to check regolation MIN/MAX.
  • Swicht OFF voltage and to check the fuses and, this case, to check current MAX (ampere) in the vibrator.
  • Check MANUAL/AUTOMATIC position on DP4.
  • Check DP3 (Normally ON)


Technical characteristics

Circuit Type: ST6/17- ST8/17Input ipedance 0/10V - 0/20mA 50Kohm - 50 ohm
Supply Voltage: 115 Or 230V ± 10% 50/60Hz Degree Of Protection: Ip55in Box (Only Circuit Ip00)
Consumption: 1,5 W Max Degree Of Pollution: 2
Current Max: 6,3/8/10/12A (RMS)Position Of Assemblage: Horizontal Or Vertical.
Load Min.: 50Ma RmsDegree Of Pollution: 2
Potentiometer Of Reg.: 100K Ohm LinearTemperature Of Storage: -15 °C / + 80 °C
Freq. Of Vibration: 3000/6000V/M (50Hz)
3000/7200V/M (60Hz)
Temperature Of Operation: -25 °C / + 50 °C
Time Ramp: 0,1 sec. or 1 sec. (selectable)Range Of Relative Humidity: 80% Till to 31°C
Regulation Min.: 80V 30% (230V) 140V 30% (400V) Installation Class: Ii
Regulation Max.: 200V - 30% (230V) 350V-30% (400V) Altitude: Till to 2000 Meters
Input On/Off: Free Contact - Signal Voltage 0/24VAUTOMATIC INPUT CONSUMPTION 0/10V: 1mA max

Wave Forms


Description waveforms figures (above)

Supply controller (yellow)
Output vibrator (blue)
Frequency: 50 Hz – 3000 V/m (vibrator)

Figure statististics

  • Fig. 1 : Output V/max 216V
  • Fig. 2 : Output V/medio 160V
  • Fig. 3 : Output V/min 52V



Before give voltage to the controller connect the supply voltage (clamps 2-3 CONN1), verifying that the installation has an appropriate ground wiring system and the vibrator (clamps VIBRATOR – CONN 2) of the connector (1-4 ground).

According European Norms EMC the controller have a line-filter with leakage current to ground less 1 mA.
To adjust intensity of vibration of the vibratory feeder, turn the adjustment knob (potentiometer 100K) on the box.



Regulation MIN/MAX

To adjust the Min./Max voltage of the vibratory feeder, proceed as follows :
MIN REG.: Turn the potentiometer to minimum, then set the minimum vibration by means of relative trimmer TR1.
MAX REG. : Turn the potentiometer to maximum, then set the maximum vibration by means of relative trimmer TR2.
N.B. : Use a small bladed screw driver in order not to damage the trimmer. Turn it in vertical direction respect to the PC board.


Automatic Input

The vibratory feeder can be regulated with an external signal (0-10V o 0-20mA o 4-20mA). To do so, proceed as follows:
– Shift DP4 on AUTOMATIC.
– Supply an input signal, 0-10V (CONN4 1 (+) – 2 (-) or 0-20mA(4-20mA) (CONN4 2-3 ) to regulate the vibratory feeder.

The trimmers MIN (TR7) – MAX (TR6) for the automatic regulation could be used for regulate the minimum and / or the maximum voltage.


It is possible to switch off the feeder using ON / OFF input.

Free-voltage switch contacts:
Input 1 on CONN6-1 and input 2 CONN5-2 needs to connect shorting
Input 2 on CONN6-2 and input 1 CONN5-1 you can use the signal without voltage

0-24v signal:
Use input 1-2 CONN5 with a 0-24 Vdc signal.
With the DP3 it is possible to turn the ON / OFF logic through the 0-24 V signal or free contact voltage.

Start Ramp

Is possible to change the time of the start ramp (slow 1 sec or fast 0,1 sec) by DP2.

3000/6000 V/m

Is possible to change the frequency of vibration 3000V/m-50Hz (3600V/m-60Hz) or 6000V/m- 100Hz (7200V/m-120Hz) by DP1; before switch off the voltage.


Double Speed-Status Relay:

It is possible, on request, to have double speed (High and Low speed) with 2 potentiometers ( see technical drawing on DTCV2V brochure), a status relay changeover contact is available on CONN7.




If you use only the electronic circuit (IP00) insert and cable it in a box that could guarantee an excellent safety degree respecting the European regulation in force and isolate the terminals of the potentiometer with the rubbers provided.

Decline all responsibility for damage caused by improper use of the circuit


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