Catalog excerpts
MyChair® Programmability PERMANENT MAGNET MOTOR SPEED CONTROLLER Mobility System MODEL 1212 FEATURES Smooth and Secure Control • Advanced speed regulation maintains precise speed over varied terrain, obstacles, curbs and ramps. • Linear cutback of current ensures smooth control, with no sudden loss of power during under-voltage or overtemperature. • Optional speed limit potentiometer input provides direct and linear control over the maximum vehicle speed. • Proprietary algorithms help prevent gearbox wear while providing smooth starts and reversals. • The vehicle is brought to a complete halt before the electromagnetic brake is applied, ensuring safe and secure stopping under all conditions. • Charger inhibit input prevents driving while charger is connected. • Emergency Stop Decel function ensures a smooth “brake to stop” when the key is turned off or a fault occurs that requires the vehicle to stop. • Anti-roll back/roll-forward function provides smooth and safe vehicle control on hills and ramps. DESCRIPTION • Internal main contactor provides secure power-off. The Curtis Model 1212 Motor Speed Controller provides precise • Boost current gives a brief boost of current greatly improving and smooth control of permanent magnet drive motors for battery powered vehicles. performance with transient loads such as starting on a hill, crossing thresholds, climbing obstacles, etc. APPLICATION Easy Installation and Setup Optimized for use on modern 3 or 4 wheel mobility aid scooters. However, the model 1212’s programmable options also allow it to be used on any low power permanent magnet motor application. • Industry standard footprint, mounting centers and wiring allows drop-in replacement of other controllers. • The Model 1212 is easily programmed with Model 1311 handheld or 1314 PC programmers, or can be supplied pre-programmed. • Accepts all standard throttle types, including single-ended and center-off (wig-wag and unipolar). • Simplified troubleshooting and diagnostics. • Standard Mini-Fit Molex Jr. and Faston terminals provide proven, robust wiring connections. www.curtisinstruments.com
Open the catalog to page 1FEATURES continued Valuable Additional Features • Optional Push-Switch input releases the brake and allows the • Push-too-Fast feature restricts vehicle speed even with the key off or with batteries disconnected. • Automatically compensates for changes in motor condition to ensure optimum drive performance at all times. • Multi-mode provides for two distinct and programmable control modes (indoor/outdoor modes). • Power Saver function prevents the controller draining the battery when vehicle is inactive. • Battery Discharge Indicator output. • Optional Speed Inhibit input offers flexibility...
Open the catalog to page 2MODEL 1212 TYPICAL WIRING DIAGRAM 1 3 11 MOTOR CIRCUIT BATTERY BREAKER PROGRAMMER J1 5K THROTTLE POT 100K SPEED LIMIT POT CURTIS 1212 J2 J3 1 2 3 M1 M2 B- B+ 4 OPTIONAL BRAKE SW FUSE HORN R BRAKE OPTIONAL MODE STATUS LED BCHARGER SOCKET KEY SWITCH FUSE B+ J1 1 J2 2 3 4 5 6 7 1 J3 2 J1 PIN DESCRIPTION 1: 1 2: 3: 8 9 10 11 12 13 14 3 4 4: 2 5: 6: 7: 8: 9: 10: 11: J2 1: POT WIPER 2: POT HI KSI BATTERY + POT LO Rx BATTERY - 3: J3 Tx/CHARGE INHIBIT 4: HORN MODE SPD INHIBIT PIN DESCRIPTION BATTERY + PIN DESCRIPTION 1: 2: BRAKE + BRAKE - SPEED POT STATUS BDI 12: REVERSE 13: BATTERY - 14: PUSH W A...
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