Waddington Electronics ST-6, SY-2, SY-8 SONA-TROL Users Manual

SONA-TROL ST-6, SY-2, SY-8 are patented non-contact sensing and control systems that can be used for loop control, level control, unwind and rewind tension control, and object detection applications. The system is available in a variety of models with standard and optional features, allowing users to customize the system for their specific needs. The system is accurate to within 0.05 inches and can be used in environments with temperatures ranging from 20 to 160 degrees Fahrenheit.

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SONA-TROL ST-6, SY-2, SY-8 Users Manual | Manualzz

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Key features

  • Patented NON-CONTACT loop control

  • Adjustable distance zero offset

  • Adjustable gain

  • Adjustable receiver sensitivity

  • Oil-tight JIC controller enclosure

  • Electrically-isolated sensor head

  • Dual sensors for wide sensing area

  • Multiple limit switch outputs

Frequently asked questions

The ST-6 has a number of standard features, including adjustable distance zero offset, adjustable gain, an operating range of 1.5 to 20 feet, adjustable receiver sensitivity, a 10 foot sensor head cable length, an oil-tight JIC controller enclosure, an electrically-isolated sensor head, and a proprietary circuit for use in loop control applications.

The ST-6 can be customized with a variety of optional features, including dual sensors for a wide sensing area, multiple limit switch outputs, adjustable measurement repetition rate, a multiple sensor array sequencer, digital or analog readout, scaled readouts, a wide range of voltage outputs, a current loop output, and a high resolution sensor head.

The SY-2 is a two-channel synchronizer that allows the use of two sensor heads in close proximity to each other. It does this by connecting the external measurement control input of two SONA-TROL ST-6 circuit boards. The SY-2 controls when transmit will occur, eliminating interference between controls.

The SY-8 is an eight-channel synchronizer that can control the sequence and measurement rate of up to eight SONA-TROL controls. This board also connects to the external rate control input of the ST-6 main circuit board.

User questions

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How to Calibrate the SONA-TROL sensing unit?

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To calibrate the SONA-TROL sensing unit, follow these steps:

  1. Tension Adjustments (TC6 Models Only):
    • Direct the sensor at the core of the diameter being sensed. False readings may result if not directed properly.
    • Locate the center of the roll.
    • Set the Gain potentiometer (POT) P2 at the midpoint.
    • Set the Auto/Man switch on the cover to Auto.
    • Set the tension POT on the cover to full on or 100%.
    • Set zero volts out at terminals 7 & 8 with POT P1 Distance Core Diameter.
    • Put the Maximum Diameter roll on the machine and set the output at terminals 7 & 8 to be: 0.1 volts X {(Roll OD)/2 (Core OD)/2}.
    • Remove the roll and measure the output at terminals 7 & 8; the correct reading is zero volts. If not, repeat steps 2 and 3.
    • Adjust POT P1 until the output reads: 0.1 volts X Core OD/2
  2. CALIBRATION:
    • Replace the maximum diameter roll on the machine and set the tension POT to full or 100%.
    • Set the output at terminals 7 & 8 on the ST-6 board to the maximum torque command required for the particular application; 10 volts max. adjusted with Gain POT P2. Measure the input voltage at terminals 1 and 2. (For the 4 to 20 MA option: at terminals 29 and 30; 0 Volts out = 4 MA, and 10 Volts out = 20 MA).
    • Constant tension can now be set with the Tension POT for any value between zero and 100%.
    • Adjustment of POTS P1 and P2 is complete.
    • With the Auto/Man switch in the manual position, use the main adjustment POT on the cover to set the output. Note that the Auto output is disconnected in this mode.

Please note that these instructions are from the viewed document and are intended as a guide. Specific applications may require slightly different procedures.

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