The PD86-1180 PANdrive™ is an 86mm stepper motor with integrated controller/driver, coolStep™ and sensOstep™ encoder

New from Micromech is a full mechatronic solution including a 86mm flange high torque motor and a motion controller/driver using the new outstanding coolStep™ technology for sensorless load dependent current control. This allows the first time an energy efficient operation of an open-loop stepper motor system. With the advanced stallGuard2™ feature the load of the motor can be detected with high resolution.

Trinamic PD86-1180The PANdrive™ can be controlled via USB, CAN, RS232 or RS485 interface and the power supply, interface and the multi purpose I/Os can be connected with JST connectors. There are step/direction/enable inputs (with optical coupling); two inputs for stop switches (24V compatible), one input for reference/homing switch (24V compatible) and one shutdown input. The nominal supply voltage range is 24V to 48V. In addition there are 4 general purpose inputs, two 24v compatible and two pen collector.

There is an incremental encoder input (ABN, single ended) and two general purpose outputs (open collector). The new spreadCycle™ chopper allows the highest smoothness, as well as high-speed operation. The internal sensOstep™ encoder can be used to detect step loss or to control the target position and the PD86-1180 comes with the PC based software development environment TMCL-IDE for the Trinamic Motion Control Language (TMCL™).

Using predefined TMCL™ high level commands like ‘move to position’ or ‘constant rotation’ a rapid and fast development of motion control applications is guaranteed. Communication traffic is kept very low since all time critical operations, e.g. ramp calculation are performed on board. The TMCL™ programme can be stored in the on board EEPROM for stand-alone operation and the firmware of the module can be updated via the serial interface. In addition as an optional CANopen firmware is available.

The motor is 5.5A, flange size 86mm (NEMA34), shaft diameter 12.7mm, length 31.75mm with D-cut.

The PD86-1180 features up to 256 times microstepping / 51200 pos./rev, memory for 2048 TMCL™ commands, stallGuard2™ sensorless high resolution motor load detection, coolStep™ load dependent current control and spreadCycle™ chopper for improved smoothness and high speed operation. Other clever and useful features include, microPlyer™ internal microstep multiplier (16 to 256 µSteps) for lower frequency on step input, integrated absolute sensOstep™ encoder (max. 256 cpr), automatic ramp generation in hardware and on the fly alteration of motion parameters position, velocity and acceleration.

These controls are provided throughout most of TRINAMIC’s motion control elements all part of the philosophy to provide an economic and compact design to aid the engineering processes. As the motion control is carried out in the hardware and not the CPU, there is of course a considerable saving in capacity resulting in the software being kept simple thereby saving on engineering and service costs.

Micromech is the UK and Eire distributor for these amazing products and if you would like to find out more click here or contact Stirling Morley on 01376 333333 or email

‘Affordable Automation’


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