ABB BSM series AC servo motor

ABB BSM series AC servo motor

Product series and features

BSM N series: low inertia, high dynamic response, using neodymium iron boron magnets, peak torque can reach 4 times continuous torque, supports multiple feedback devices (rotary transformers, Hall sensors, incremental/absolute encoders), protection level IP54/55, working temperature -20 ℃ to+70 ℃, with IEC and NEMA configurations.

BSM C series: high inertia, economical and practical, peak torque is 3 times the continuous torque, suitable for applications that require higher inertia matching, and also supports multiple feedback devices and protection configurations.

SSBSM series: made entirely of stainless steel material, designed for food, liquid, sanitary, and corrosive environments, with a protection level of IP67, capable of withstanding 1500 psi flushing, and certified by BISSC, UL, cUL, and CE.

BSM 25&33 series: Durable circular shell design, supporting foot installation, using standard and reliable neodymium magnet design, can take advantage of brushless technology advantages such as low maintenance, quiet operation, fast acceleration, high torque and power output.

Technical Parameter

Electrical parameters: Different series of motors have different rated voltage, current, frequency and other parameters, such as BSM N series rated voltage 220V, rated current 15A, frequency 50/60Hz, isolation voltage 2500Vrms, etc.

Mechanical parameters: including motor size, weight, inertia, speed range, etc. For example, the BSM50N has dimensions of approximately 172mm × 95mm × 142mm, a weight of 2.4lbs/1.1kg, and a maximum rotational speed of 10000rpm.

Performance parameters: continuous stall torque, peak torque, torque constant, voltage constant, thermal resistance, thermal time constant, etc. For example, BSM50N-133 has a continuous stall torque of 3.9lb in (0.45Nm) and a peak torque of 15.9lb in (1.8Nm).

Performance Curve

The document provides current torque speed performance curves for different models of motors in various series, demonstrating the performance of the motors under different working conditions, helping users intuitively understand the operating status of the motors under various working conditions.

Dimensions and installation

IEC mounting: Detailed lists the installation dimensions of each series of motors, including parameters such as P, AB, U, AH, as well as the lengths of different models of motors with and without feedback devices, and the length and weight increase when equipped with brakes.

NEMA mounting: Introduces the relevant dimensional parameters of NEMA mounting, such as the dimensions of BSM50 series NEMA 23, BSM63/80 series NEMA 34/42, etc.

Options

Cooling kit: BSM90/100 and BSM132 series have blower cooling options, and different models of motors correspond to different blower kit numbers, voltages, currents, and air volumes.

Braking: Data on the holding torque, power, voltage, current, action time, and inertia of various series of motor brakes.

Connectors and cables: connector models, descriptions, and numbers for motor power, feedback, and other connections, such as MCSPOW-08, MCSRES-12, etc.

Engineering information

Motor identification matrix: BSM N, C series and BSM25, 33 series motor identification rules, including frame, series, size, winding code, options, etc.

Selection of servo motors: This article introduces the methods for calculating the requirements of servo motors, including determining the friction and inertia of the load, as well as calculating parameters such as speed, torque, inertia, etc. under different mechanical transmission modes (direct drive, gear drive, tangential drive, ball screw drive).

Motion Curve Analysis: How to interpret the speed time curve, calculate acceleration torque, operating torque, deceleration torque, and root mean square torque, and determine the torque demand of the motor throughout the entire working cycle.

Temperature calculation: Calculate the temperature rise of the motor winding based on power loss and thermal resistance, and determine whether the motor is operating within the safe temperature range.

Drivers and controllers

Servo drive: MicroFlex analog、MicroFlex e100、MicroFlex e150、MotiFlex e100、MotiFlex e180  The characteristics, parameters, models, and selection information of the series of drivers.

Motion controllers: The functions, number of axes, communication methods, and order codes of controllers such as NextMove ESB-2, NextMove e100, and NextMove PCI-2.

Software tool

ABB DriveSize and MCSize software tools can be used for the selection of servo motors and drives. MCSize has a motor database and selection criteria to help users easily and accurately choose suitable servo motors and drive systems.

PLC system

This article introduces the system overview, expansion capabilities, and features of the AC500, AC500 eCo, and AC500-XC series PLCs. For example, the AC500 CPU can locally expand up to 10 I/O modules, while the AC500-XC is suitable for extreme environments.