Thursday, January 14, 2010

Stepper-Motor Controller Mounts 42mm Flange Motor

The TMCM-110-42 is an intelligent stepper-motor controller and driver module designed to be mounted directly on a 42mm flange motor. The module converts the motor into a compact mechatronic device with bus-oriented or standalone control. The motor, switches, power and multi-purpose I/Os can be connected with small plug-in connectors. The module comes with the PC-based software-development environment TMCL-IDE for the Trinamic Motion Control Language (TMCL).

Using predefined TMCL high-level commands, a rapid development of motion-control applications is guaranteed. There are two inputs for reference, stop switches, one general-purpose digital or analogue input and one output. The TMCM-110-42 can be controlled via an RS-232, RS-485, IC or CAN interface and communication traffic is kept very low as all time-critical operations are performed onboard.

The programme can be stored in the onboard EEPROM for standalone operation and the firmware of the module can be updated via the serial interface. With the Stallguard feature it is possible to detect motor overload or motor stall without an encoder. The main features include up to 16 times microstepping, memory for 2,048 TMCL commands, automatic ramp generation in hardware and on-the-fly alteration of motion parameters.

There is a Stallguard option for sensorless motor-stall detection, full step frequencies up to 20kHz, dynamic-current control and, due to Trinamic driver technology, no heatsink is required. The module is available on its own or together with a 42mm motor (NEMA 17) as mechatronic solution - PANdrive PD-110-42. The motor-supply voltage is 7 to 34V and up to 1.1A coil-current RMS (1.5A peak). Three motor sizes are available.

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