PT42 Integrated Motor Drive Controller
PRO Series

Summary Details

Size: 42mm or Nema 17, 1.8°
Holding Torque: to 44 Ncm (62 oz-in)
Speed: to 50 RPS (3,000 RPM)

Compact. Programmable.
The PT42 combines the ElectroCraft TorquePowerTM Plus high-performance stepper motor with the advanced functionality of the Integrated PRO Series Drive. The motor can be driven in open-loop stepper mode or in closed-loop using the integrated encoder and offers high holding torque and high accuracy in a robust, compact package. Two frame lengths are available in this size, offering holding torque of up to 55 Ncm (78 oz-in).

PDF Brochure: Integrated Motor Drive Controller

Additional Product Details

PT42 Technical Drawings

PT42 Performance Data

PT42 Stack Size Models
Model Numbers PT42-A44 PT42-A55
Holding Torque
62 78
Holding Torque
43.78 55.08
2.85 3.16
72.39 80.26
Rotor Inertia
0.0009 0.0012
Rotor Inertia
0.0636 0.0847
Phase Resistance
1.3 1.6
Phase Inductance
2.3 3.4
16.6 19.0
0.5 0.5

Power Inputs
Motor Supply Voltage (VDC) 12-48
Logic Supply Voltage (VDC) 9-36
Control Inputs
AUX Analog Input (x1) 12-BIT, 0 - 5V
Digital inputs (x5)
Enable, 2 Limit Switches, Plus 2 General Purpose
5 - 36V, NPN
Control Outputs
Digital outputs (x2)
Status, Plus 1 General Purpose
5 - 36V, 0.5A, NPN open Collector
Operation Modes
Operation Mode Single axis motion controller,
Intelligent slave executing I/O triggered motion sequences,
Multi-axis, distributed motion solution,
Intelligent slave executing network (RS232 or CAN) triggered motion sequences
Serial RS232
CAN CAN-bus 2.0
Operating Temperature (°C) 0 - +40
Storage Temperature (°C) -40 - +80
Humidity Range Not Condensing (% Rh) 90
Hardware protections Short circuit - Phase to GND
Short circuit - Phase to Phase
Regulatory Compliance
CE IEC60529
UL UL508

PT42 Speed Curves

PT42 Accessories

Evaluation Kit
Model Number Description
2000710 PT42-A55V48A-0-X-CAN Open-loop Stepper
2000711 PT42-A55V48A-0-D-CAN Closed-loop Stepper
2000752 PT56-A106V48A-0-X-CAN Open-loop Stepper
2000753 PT56-A106V48A-0-D-CAN Closed-loop Stepper
2000712 PR42-A16V48A-0-D-CAN Closed-loop Brushless
2000713 PR42-A32V48A-0-D-CAN Closed-loop Brushless
2000754 PR60-A25V48A-0-D-CAN Closed-loop Brushless
2000755 PR60-A52V48A-0-D-CAN Closed-loop Brushless
2000714 PS42-A44V48A-0B4-X-CAN Open-loop Integrated Stepper Linear Actuator
2000715 PS42-A44V48A-0B4-D-CAN Open-loop Integrated Stepper Linear Actuator
2000756 PS56-A106V48A-0SB7-X-CAN Open-loop Integrated Stepper Linear Actuator
2000757 PS56-A106V48A-0SB7-D-CAN Closed-loop Integrated Stepper Linear Actuator
Mating Cables (3 meters)
Model Number Description
1001359 PRO Series IMD Interface Cable Kit
1001360 PRO Series IMD Power & I/O Cable Kit
Miscellaneous Accessories
Model Number Description
2000685 CompletePower Braking Module With External Bus Capacitance (13W, 4.7 Ohm)

PT42 User Manuals

Model Number User Manual
PT42-A44Download PDF (Drive User Manual)
PT42-A55Download PDF (Drive User Manual)

ElectroCraft Rapid Delivery Program

Some versions of this product are available via ElectroCraft's Rapid Delivery Program. Lead times for these products are given in working days and stated below. Please note, these lead times may be exceeded during holiday periods or due to unforeseen circumstances. Always contact your local ElectroCraft representative for confirmation of availability.

Rapid delivery products are stocked in locations all over the World. If the product you require is not stocked in your region, you may request accelerated delivery from other areas. Please consult your local representative for more information.

Customers are responsible for all freight charges.

Rapid Delivery to:

Select the region where the product would be delivered to.

The Americas

Part Number Description Typical Lead Time
PT42-A55V48A-0-D-CAN 2 days
PT42-A55V48A-0-X-CAN 2 days

Europe, the Middle East and Africa

Part Number Description Typical Lead Time
No products available


Part Number Description Typical Lead Time
PT42-A55V48A-0-D-CAN 2 days
PT42-A55V48A-0-X-CAN 2 days