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Open-loop stepper motor with controller

Ezi-STEP-CT-42S / NEMA 17 / small

Configuration

Motor length
Brake
Without brake With brake

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Product details

Item no. CT-42S Product name Ezi-STEP-CT-42S / NEMA 17 / small

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Produktbeschreibung

Microstepping system with CC-Link IE TSN connectivity and Torque-Off function for precise, reliable positioning tasks. A powerful 32-bit controller enables high-resolution microstep control with up to 50,000 steps per revolution. PWM current control at a 50 µs cycle and built-in filtering ensure smooth motion even at very low speeds. An internal DC-DC converter boosts the motor voltage, and the run current can additionally be set up to 150 % – increasing torque by around 30 % across the entire speed range. On the 42, 56 and 60 mm frame sizes, software damping reduces vibration and prevents loss of synchronization at high speeds.

Torque-Off function
Two dedicated TQOFF inputs cut off motor power via a hardware signal, independently of CC-Link IE TSN communication; the drive immediately switches to STEP Off. The status is reported back via the TQMON output. Control power and main power are supplied separately.

CC-Link IE TSN communication
The connection uses CC-Link IE TSN (Class B) at 1 Gbit/s with the CiA 402 Drive Profile. Cyclic Synchronous Position, Profile Position and Homing are supported. Communication can be synchronous (CSP, PP, HM) or asynchronous (PP, HM), with a minimum cycle time of 250 µs. The system can be connected to CC-Link IE TSN masters such as the MELSEC MX Controller, MELSEC iQ-R, MELSEC iQ-F, SWM-G or MOVENSYS WMX; cable lengths of up to 100 m are possible between stations.

Technische Spezifikationen

Motor BM-42S

Frame size
42 mm
Length variant
S
Motor length (L)
34 mm
Current per phase
1.2 A
Holding torque
0.32 N·m
Rotor inertia
35.0 g·cm²
Weight
0.238 kg
Radial load @3 mm
22 N
Radial load @8 mm
26 N
Radial load @13 mm
33 N
Radial load @18 mm
46 N

Drive EzT2-CT-42

Control type
open-loop
Control method
Bipolar PWM drive with 32bit MCU
Input voltage
24 V DC ±10%
Current consumption
500 mA
Input signals
3 dedicated (LIMIT+, LIMIT-, ORIGIN), 6 user inputs (Photocoupler), 2 Torque-Off inputs (TQOFF)
Output signals
5 user outputs (Photocoupler), 1 brake, 1 Torque-Off status output (TQMON)
Error types
Over Current, Over Speed, Over Temperature, Over Regenerated Voltage, Motor Connect, ROM, Torque-Off Circuit