6200 Open-Loop Controller with Display

6200 Controller

Product Description

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Magtrol’s Model 6200 is an Open-Loop 6200 Controller Dynamometer Controller designed for use with any Magtrol Hysteresis Dynamometer. The unit provides open-loop control of the dynamometer via an internal current regulated power supply. With a high-quality vacuum fluorescent readout, the Model 6200 displays torque, speed and mechanical power values of the motor under test. In place of mechanical power, it can also display auxiliary transducer readings via the ±5 VDC analog input. These displayed values can be stored internally or output via the RS-232 or IEEE-488 interfaces.

Pass or Fail Motor Testing

The Model 6200 comes with an easy-to-use motor testing Pass/Fail feature. This feature is ideal for quick Pass/Fail (Go/No Go) testing in production and incoming inspection applications. When the 6200 is operated in the Pass/Fail mode, one of three readings is used as the tested parameter: torque, speed or the auxiliary transducer. The two parameters not used are set with user-defined upper and lower acceptable limits. As the motor is loaded to the tested parameter value (for example, speed), the other two parameters (in this case, torque and transducer) are measured. Test results (for the other 2 parameters) are indicated with a “PASS” or “FAIL”, or the display can be toggled to show the actual values.


  • Open-Loop Dynamometer Control
  • Built-in Pass/Fail Motor Testing Capability
  • RS-232 and IEEE-488 Interfaces
  • High-Speed Data Acquisition: 120 torque and speed points per second via IEEE bus (approx. 60/sec. via RS-232)
  • High-Quality, Easy-to-Read Vacuum Fluorescent Readout: Displays torque, speed, power and auxiliary values
  • Current-Regulated Supply: Provides up to 1 amp output
  • Adjustable Torque Units: English, Metric and SI are standard
  • Dynamometer Overload Protection
  • Internal Data Storage: Up to 100 data points
  • Auxiliary ± 5 VDC Analog Input: For additional transducer
  • Closed Box Calibration
  • Rack Mounting: 19″ (482.6 mm) with Handles


Measurement Characteristics

Maximum Torque2000 units
Maximum Speed99,999 rpm
AccuracySpeed: 0.01% of reading from 10 rpm to 100,000 rpm
Torque: 0.2% of range (± 2 V)
Aux: 0.1% of range (± 5 V)

Electrical Characteristics

Fuses (5 × 20 mm)Brake: UL/CSA 1.25 A 250 V SB
IEC 1.00 A 250 V T
Power (120 V): UL/CSA 800 mA 250 V SB
Power (240 V): IEC 315 mA 250 V T
Power Requirements75 VA
Voltage Requirements120/240 V 60/50 Hz
Max. Compliance Voltage45 VDC

Inputs and Outputs

Auxiliary Input± 5 VDC
Accessory Torque/Speed OutputTorque: ± 2 VDC
Speed: 60 TTL pulses/rev, 50% duty cycle
Ctrl Out0–3 VDC


Operating Temperature18 °C to 25 °C
Relative Humidity< 80%
Temperature Coefficient0.001% of range/°C

Model Comparison

Leistungsbremsen-KompatibilitätHD, ED, WB* und PB*HD & ED
Leistungsbremsen-Controllerclosed-loop & open-loopopen-loop
Software-KompatibilitätM-TEST 7
AnzeigeDrehmoment / Drehzahl / Leistung / Hilfseingang /


Drehmoment / Drehzahl / Leistung
Anzahl der Kanäle21
Pass/Fail-PrüffunktionMit Software M-TESTIntegriert
InterfacesOptional RS-232 und
RS-232 und IEEE-488

*Benötigt den Drehmoment-/Drehzahl- Signalaufbereiter TSC 401