RS232 Motor Controllers
Last Updated: January 31, 2025
Description
RS232 motor controllers are devices that facilitate communication between a computer or control system and a motor. They use the RS-232 serial communication standard to send and receive data, allowing for the control and monitoring of motor operations. These controllers are integral in adjusting motor parameters such as speed, torque, and position through a serial interface.
Working Principle
RS232 motor controllers operate by utilizing the RS-232 communication protocol, which is a standard for serial communication transmission of data. The controller receives commands from a host system, typically a computer, through the RS-232 interface. These commands are then translated into control signals that adjust the motor's operation. The RS-232 interface allows for real-time control and monitoring, making it useful for applications requiring precise motor adjustments. This capability is particularly beneficial in automation settings where multiple motors need to be synchronized and controlled efficiently.
Applications
RS232 motor controllers are used in various applications where precise motor control is necessary. For example, they are employed in robotic motion controllers to manage the movement of robotic arms with high precision. They are also used in multi-axis controllers, which control and monitor multiple independent axes of motion in complex machinery. Additionally, RS232 motor controllers are utilized in microcontroller systems for real-time manipulation of digital data, enhancing the performance of devices like CNC machines and automated manufacturing systems.
Advantages over other Motor Controllers
One of the primary advantages of RS232 motor controllers is their ability to facilitate real-time control and monitoring through a simple serial interface. This makes them particularly useful in applications where multiple motors need to be controlled simultaneously, as they can easily be integrated into existing computer systems. Additionally, the RS-232 standard is widely supported and understood, making these controllers compatible with a broad range of devices and systems.
Limitations
RS232 motor controllers have limitations, including the relatively slow data transmission rate of the RS-232 standard compared to more modern communication protocols. This can be a bottleneck in applications requiring high-speed data transfer. Additionally, RS-232 is limited in terms of the distance over which it can reliably transmit data, typically up to 15 meters, which may not be suitable for all industrial environments.
Considerations
When considering RS232 motor controllers, it is important to evaluate the initial costs, which can vary depending on the complexity and capabilities of the controller. Operating expenses are generally low, as RS232 controllers are known for their durability and reliability. However, the accuracy of control may be limited by the RS-232 communication speed and distance constraints. Replacement and maintenance costs are typically minimal, but it is crucial to ensure that the controller is compatible with the existing system to avoid additional expenses related to system integration or upgrades.
from Yaskawa America, Inc. - Drives Division
1/2 - 500 HP. This innovative drive utilizes 3 level control to offer the best solution for challenging installations. Yaskawa is the only manufacturer to offer a low voltage drive with this architecture. 3 level technology minimizes drive induced problems associated with long motor cables and... [See More]
- Communication: DeviceNet (optional feature); Ethernet (optional feature); PROFIBUS (optional feature); RS232; RS422; RS485; Modbus, LonWorks
- Axes: 1.0
- Product: Speed Controller; Variable Speed; Inverter; High Frequency; Pulse Width Modulation Drive
- Motor / System: Induction; Synchronous; Pole Number Control; Sensorless Vector; Vector Feedback
from PI (Physik Instrumente) L.P.
Linearity error to 0.02 %. Fast 25 Mbit/s serial interface. Comprehensive I/O functions. Low-cost OEM versions available. Extensive software support. Fast digital controller. As bench-top (.xRG) or as OEM board (.xR). Voltage range -30 to 130 V. Interfaces. USB, digital RS-232, fast serial interface... [See More]
- Communication: RS232; USB; SPI
- Axes: 1.0
- Resolution: 16
- DC Input: 24
from DigiKey
Motor Driver IGBT RS-232 32-QFN (5x5) [See More]
- Communication: RS232
- AC Input: 3 to 4
- Motor / System: Induction; Synchronous
- DC Input: 3 to 4
from PI (Physik Instrumente) L.P.
25 kHz control bandwidth. Interfaces: Ethernet, USB and RS-232. Digital inputs and outputs. Optional analog inputs and outputs. DSP 32/64-bit floating point, 375 MHz. 20-bit DAC and ADC resolution. Auto-loading of calibration data from stage ID chip for interchangeability of controller and... [See More]
- Communication: Ethernet; RS232; USB
- Resolution: 20
- Product: DSP
- Axes: 3.0
from DigiKey
Motor Driver IGBT I ²C, RS-232, SPI 64-LQFP (12x12) [See More]
- Communication: RS232
- AC Input: 3 to 4
- Motor / System: Induction; Synchronous
- DC Input: 3 to 4
from PI (Physik Instrumente) L.P.
Reference Class Digital Motion Controller. Highly Stable 20-bit D/A Converters. Real-Time Operating System for Excellent Trajectory Control. Modular Design for Greatest Flexibility in Meeting Custom Requirements. Auto-Calibrating from Stage ID-Chip for Interchangeability of Controller and Mechanics... [See More]
- Communication: Ethernet; RS232; USB
- Axes: 3.0 to 6.0
- Resolution: 18
- AC Input: 90 to 240
from DigiKey
Motor Driver IGBT I ²C, RS-232, SPI 64-QFP [See More]
- Communication: RS232
- AC Input: 2 to 4
- Motor / System: Synchronous
- DC Input: 2 to 4
from PI (Physik Instrumente) L.P.
Output power up to 50 W. Linearity error up to 0.02 %. Fast 25 Mbit/s serial interface. Comprehensive I/O functions. Extensive software support. Fast piezo controller. 1 channel. For piezo-based Nano positioning systems with capacitive sensors. High output current for dynamic applications. Digital... [See More]
- Communication: RS232; USB; SPI
- Resolution: 16
- Product: DSP
- Axes: 1.0
from DigiKey
MAGELLAN DCB CTRL IC 1-AXIS v1.2 [See More]
- Communication: CANbus; RS232; RS485
- AC Input: 3 to 4
- Motor / System: DC Brushed; Voice Coil
- DC Input: 3 to 4
from PI (Physik Instrumente) L.P.
Key Features. 62.5 µs (250 µs) microsecond per axes servo update rate. Up to 8 axes of motion control. Controls servo motors, step motors, and hydraulics. Maximum encoder input rate up to 22 MHz (Accelera). Non-volatile program memory. Multitasking of four independent programs. Modes of... [See More]
- Communication: Ethernet; RS232
- Resolution: 12
- Product: PC-Based
- PC-Based Bus: PCI
from DigiKey
MAGELLAN STEP CTRL IC, 2-AXIS [See More]
- Communication: CANbus; Parallel Interface; RS232
- AC Input: 3
- Motor / System: Unipolar; Bipolar
- DC Input: 3
from PI (Physik Instrumente) L.P.
High Performance Precision Motion Control at Low Cost. 20 MHz Encoder Input for High Speed & Resolution. Macro Programmable Stand-Alone Functionality. Integrated Servo Power Amp Supplies up to 30 W. Data Recorder. Network Capability for Multi-Axis Applications. Non-Volatile EEPROM for Macros and... [See More]
- Communication: RS232; TTL; USB
- DC Input: 15 to 30
- Axes: 2.0
- Power: 30
from DigiKey
MAGELLAN MULTI CTRL IC, 2-AXIS [See More]
- Communication: CANbus; Parallel Interface; RS232
- AC Input: 3
- Motor / System: DC Brushless; Unipolar; Bipolar
- DC Input: 3
from PI (Physik Instrumente) L.P.
High Performance Stepper Motion Control at Low Cost. 2,048 Micro step Resolution for Very Smooth Motion. Open Loop and Closed Loop Operation. Network Capability for Multi-Axis Applications. Compatible and Networkable with Mercury ™ Controllers. Joystick Port for Manual Control. Non-Volatile... [See More]
- Communication: RS232; TTL; USB
- DC Input: 24
- Axes: 1.0 to 2.0
- Setup: Joystick; Computer
from DigiKey
JUNO DCB TRQ CTRL IC, 64PIN [See More]
- Communication: RS232
- AC Input: 3
- Motor / System: DC Brushed; Voice Coil
- DC Input: 3
from PI (Physik Instrumente) L.P.
Broadband encoder input. Macro programmable for stand-alone functionality. Data recorder. Non-volatile EEPROM for macros and parameters. Digital servo controller for PIShift piezo motors. 1 channel. Integrated power amplifier and voltage generator for PIShift piezo inertia drives. Point-to-point... [See More]
- Communication: RS232; USB
- Power: 30
- DC Input: 24
- Voltage: 0.0 to 100
from DigiKey
JUNO DCB TRQ CTRL IC, 56PIN [See More]
- Communication: RS232
- AC Input: 3
- Motor / System: DC Brushed; Voice Coil
- DC Input: 3
from PI (Physik Instrumente) L.P.
24-Bit USB Interface and High-Speed Analog Interface. Notch Filters for Higher Bandwidth. Networking for up to 12 Motion Controllers. Choice of Sensor Strain Gauge (lower cost) or Capacitive Sensor (higher precision). Table for User-Defined Curves [See More]
- Communication: RS232; USB
- DC Input: 12 to 30
- Resolution: 24
- Voltage: -30 to 130
from DigiKey
Motor Driver Power MOSFET I ²C, RS-232, SPI 48-LQFP (7x7) [See More]
- Communication: RS232
- AC Input: 3 to 4
- Motor / System: Induction; Synchronous
- DC Input: 3 to 4
from PI (Physik Instrumente) L.P.
Closed-Loop Precision Motion Controller for Nano Positioning Systems. Integrated 24-Bit High-Speed USB & RS-232 Interfaces. Integrated Linear Piezo Driver, 14 W Peak Power. Network Capability with up to 4 Channels. For Piezo Systems with Capacitive and Strain Gauge Position Feedback Sensors. [See More]
- Communication: RS232; USB
- Axes: 1.0
- Resolution: 24
- DC Input: 12 to 30
from DigiKey
Motor Driver Power MOSFET, IGBT I ²C, RS-232, SPI 100-QFP (14x14) [See More]
- Communication: RS232
- AC Input: 2 to 4
- Motor / System: Synchronous
- DC Input: 2 to 4
from PI (Physik Instrumente) L.P.
Digital motion controller for PIMag® linear motors1 motor channel, 1 sensor channel. For three-phase linear motors with currents of 5 A per phase. Sine-commutated operation, field-oriented current control. Automatic commutation angles adjustment. PID controller for position and velocity. Extensive... [See More]
- Communication: RS232; USB
- Motor / System: Linear
- Axes: 1.0
- DC Input: 24 to 48
from DigiKey
Motor Driver Power MOSFET I ²C, RS-232 32-QFN [See More]
- Communication: RS232
- AC Input: 3 to 4
- Motor / System: Synchronous
- DC Input: 3 to 4
from PI (Physik Instrumente) L.P.
50kHz Servo Loop. 22-Bit DAC Resolution. 20-Bit Analog Input. 45W Peak Power, 500mA Peak Current. Extensive Software Package. Ethernet (TCP/IP), SPI, USB, RS-232 Interfaces. ID-Chip for Auto-Optimization of Controller Parameter to Mechanics. Digital I/O Lines for Task Triggering. For Nano... [See More]
- Communication: Ethernet; RS232; USB
- Axes: 1.0
- Resolution: 19
- AC Input: 24
from DigiKey
Motor Driver IGBT I ²C, Parallel, RS-232, RS-422, SPI 80-QFP (12x12) [See More]
- Communication: Parallel Interface; RS232
- AC Input: 3 to 4
- Motor / System: Synchronous
- DC Input: 3 to 4
from DigiKey
Motor Driver Power MOSFET, IGBT I ²C, RS-232, SPI 64-MQFP (10x10) [See More]
- Communication: RS232
- AC Input: 2 to 4
- Motor / System: Synchronous
- DC Input: 2 to 4
from DigiKey
Motor Driver Power MOSFET, IGBT I ²C, RS-232, SPI 64-QFP (10x10) [See More]
- Communication: RS232
- AC Input: 2 to 4
- Motor / System: Synchronous
- DC Input: 2 to 4
from Performance Motion Devices
Prodigy ®/CME PC/104 boards provide all the features of the regular Prodigy PC/104 boards but add the capability to download and run C-language programs directly. These boards provide high-performance motion control for scientific, automation, industrial, and robotic applications in a PC/104... [See More]
- Communication: CANbus; Ethernet; RS232; RS485
- Resolution: 16
- Product: Speed Controller
- Axes: 1.0 to 4.0
from Data Device Corporation (DDC)
The PW-87 series is a modular and scalable DSP-based, full featured motor controller that offers multi-interface position, torque, and speed control, and is designed for demanding high reliability industrial, military, and aerospace applications. Benefits. Fully Integrated, Plug & Play Bus... [See More]
- Communication: CANbus; RS232; RS422; RS485; TTL
- Voltage: 600 to 1200
- Product: Speed Controller
- Continuous Current: 75
from Electro-Sensors, Inc.
Closed Loop Motor Speed Controller. Features. • Security lockout. • Diagnostics for easy troubleshooting. • Isolated speed reference signal. • 0.02% speed regulation in master and follower mode. • Complete I/O isolation. The MS320 is a cost-effective way to add digital PID... [See More]
- Communication: RS232; RS422; RS485
- Resolution: 12
- Product: Speed Controller
- Axes: 1.0
from Velmex, Inc.
The VXM is a high integration stepping motor controller for “plug and run ” with Velmex motor driven products. Reliable. performance is achieved with a powerful RISC Microcontroller that directly controls motor phase switching and all other. interface functions. The VXM uses an optimized... [See More]
- Communication: RS232; USB
- Axes: 1.0
- Product: Controller / Drive; MCU
- Motor / System: Unipolar; Hybrid; Half-Step
from Aerotech, Inc.
Design Features. Network drives through a high-speed serial interface to coordinate up to ten axes of motion. Coordinate motion using up to five independent tasks. Drive and control linear or rotary brushless, DC brush servo, and micro-stepping motors. Command various motion types including:... [See More]
- Communication: Ethernet; RS232; USB
- Axes: 1.0
- Product: Controller / Drive; Pulse Width Modulation Drive; DSP
- Motor / System: DC Brushed; DC Brushless; DC Servo; AC Servo; Permanent Magnet; Hybrid; Microstepping Motor; Linear
from Yamaha Motor- Robot Division
Compact. Lightweight and compact design with main unit weight of 2.8kg and height of 210mm. Same price as predecessor “DRCX ”. Delivers high-performance along with sophisticated functions yet is the same price as the prior DRCX. The absolute position data hold time: 1 year. The current... [See More]
- Communication: RS232
- AC Input: 200 to 230
- Axes: 2.0
- Phase : Single Phase
from item America, LLC
Controllers ensure a perfect response from item servomotors. Three power stages for single-phase operation are available to suit different loads. item MotionDesigner ®, the online selection and configuration tool, helps tailor the Controller and Motor to the relevant transport task and ensure... [See More]
- Communication: CANopen; Ethernet; PROFIBUS (optional feature); RS232; USB; EtherCAT
- DC Input: 60 to 380
- AC Input: 100 to 230
- Phase : Single Phase
from Nidec Control Techniques
The Modular Drive System (MDS) is a powerful and cost effective solution for applications with multiple axes. The MDS utilizes a unique backplane architecture that provides a common bus platform for one of three sizes of power modules* and up to eight drive modules. Plus, there are five different... [See More]
- Communication: DeviceNet (optional feature); Ethernet (optional feature); PROFIBUS (optional feature); RS232; RS485
- Axes: 1.0 to 1.5
- Product: Multi-Axis; Speed Controller
- AC Input: 187 to 528
from Parker Hannifin / Automation / Electromechanical Division - Europe
Drive for Brushless and Asynchronous Motors. High performance drive. Brushless and asynchronous motors control. From 2 to 150 Arms continuous current. Resolver, incremental/less wire encoder, SinCos+EnDat and SinCos+Hiperface absolute encoderfeedback. Positioner with speed trapezoidal profile. [See More]
- Communication: CANopen; DeviceNet (optional feature); Ethernet (optional feature); PROFIBUS (optional feature); RS232; RS422; RS485; SERCOS (optional feature)
- Axes: 1.0
- Product: Controller / Drive; Speed Controller
- AC Input: 230 to 480
from Performance Motion Devices
Atlas ® Digital Amplifiers are compact single-axis amplifiers that provide high-performance torque control for Brushless DC, DC Brush, and Step motors. They are packaged in a compact, solderable module and are ideal for use in positioning motion control, velocity control, and precision force... [See More]
- Communication: CANbus; RS232; RS485
- DC Input: 12 to 56
- Axes: 1.0
- Continuous Current: 1.5 to 14
from Aerotech, Inc.
Design Features. Networkable with any Ensemble drive to control up to ten axes of piezo and/or servomotor stages. Multi-axis Position Synchronized Output (PSO) for real-time triggering of events. High-precision 20-bit sensor resolution for capacitive sensor feedback. Thermally-stable feedback... [See More]
- Communication: Ethernet; RS232; USB
- Resolution: 20
- Product: Controller / Drive; Multi-Axis
- Axes: 10.0
from Yamaha Motor- Robot Division
RCX141 and RCX142 united into one unit. Besides Cartesian and SCARA robots, this controller also handle a mixed combination of single axis robot FLIP-X and linear single-axis robot PHASER. The absolute position data hold time: 1 year. The current position information is monitored even during a long... [See More]
- Communication: RS232
- AC Input: 200 to 230
- Axes: 4.0
- Phase : Single Phase
from item America, LLC
Controllers ensure a perfect response from item servomotors. Two power stages for three-phase operation are available to suit different loads. item MotionDesigner ®, the online selection and configuration tool, helps tailor the Controller and Motor to the relevant transport task and ensure... [See More]
- Communication: CANopen; Ethernet; PROFIBUS (optional feature); RS232; USB; EtherCAT
- DC Input: 60 to 700
- AC Input: 230 to 480
- Phase : Three Phase
from Performance Motion Devices
The Juno ® Family of ICs provides advanced velocity and torque control for brushless DC, DC brush, and step motors. Available as a single, one-axis IC, Juno ICs provide full four-quadrant motion control, direct quadrature encoder input, profile generation, field-oriented control (FOC), and much... [See More]
- Communication: CANbus; RS232; RS485
- Setup: Computer
- DC Input: 12 to 56
- Configuration: PCB Mount
from Aerotech, Inc.
Design Features. Single-axis digital servo controller with integral power supply and amplifier. Advanced software architecture shortens customer development time; use C#, VB.Net, C, and LabVIEW?? combined with our full IDE and multitasking operating system. Host-mode operation allows you to send... [See More]
- Communication: Ethernet; RS232; USB
- Axes: 1.0
- Product: Controller / Drive; Pulse Width Modulation Drive; DSP
- Motor / System: DC Brushed; DC Brushless; DC Servo; AC Servo; Permanent Magnet; Hybrid; Microstepping Motor; Linear
from Yamaha Motor- Robot Division
RDV-X/RDV-P Features. Dedicated pulse train control. The dedicated pulse train control has achieved a compact body and a low price. Position setting time reduced by 40%. The response frequency is enhanced about two times in comparison with former models. The position setting time of uniaxial robots... [See More]
- Communication: RS232
- AC Input: 100 to 230
- Axes: 1.0
- Phase : Single Phase; Three Phase
from Performance Motion Devices
Prodigy ®/CME Machine-Controller boards provide high-performance motion control for medical, scientific, automation, industrial, and robotic applications. Available in 1, 2, 3, and 4-axis configurations, these boards support DC brush, brushless DC, and step motors and allow user-written... [See More]
- Communication: CANbus; Ethernet; RS232; RS485
- Axes: 1.0 to 4.0
- Resolution: 16
- DC Input: 12 to 56
from Yamaha Motor- Robot Division
TS-SD Features. Pulse train input driver for single-axis robot “TRANSERVO ”. Robot driver that supports pulse train input has now been added for YAMAHA single-axis robot “TRANSERVO ”. Uses vector control. Design based on the TS-S robot positioner allows easy control combining... [See More]
- Communication: RS232
- DC Input: 24
- Axes: 1.0
- Operating Temperature: 0 to 40
from Performance Motion Devices
The Magellan ® MC58000 Motion Control IC provides high- performance motion control for medical, scientific, robotics, and automation applications. Available in 1, 2, 3, and 4-axis versions, the MC58000 is a two-IC chipset that provides position and velocity control for Brushless DC, step, and DC... [See More]
- Communication: CANbus; RS232; RS485
- Resolution: 16
- Product: Multi-Axis
- Axes: 1.0 to 4.0
from Yamaha Motor- Robot Division
TS-S2 is positioned type controller that only performs point trace. No program is needed. Operation is simple. After setting point data, specify the point number and enter a START signal from host controller such as a PLC. Positioning or pushing operation then begins. [See More]
- Communication: RS232
- DC Input: 24
- Axes: 1.0
- Servo Feedback: Incremental Encoder
from Performance Motion Devices
The Magellan ® MC55000 Motion Control IC provides high- performance motion control for medical, scientific, robotics, and automation applications. Available in 1, 2, 3, and 4-axis versions, this flexible and powerful chipset provides profile generation, direct quadrature encoder input, and pulse... [See More]
- Communication: CANbus; RS232; RS485
- Resolution: 16
- Product: Multi-Axis
- Axes: 1.0 to 4.0
from Yamaha Motor- Robot Division
Features & Benefits. 4 command formats. Compact design. Diverse input/output functions. Torque restriction control. Zone output function. Diverse Functions. Position data output function. Torque limiting drive. Torque limiting drive. Multitask function. Function to make conditional stop during... [See More]
- Communication: RS232
- DC Input: 24
- Axes: 1.0
- Servo Feedback: Resolver
from Performance Motion Devices
Our Magellan ® MC58113 Motion Control IC provides high-performance motion control with an integrated digital current loop for medical, scientific, robotics, and automation applications. Available as a single, one-axis IC, the MC58113 IC is a programmable device that provides positioning,... [See More]
- Communication: CANbus; RS232; RS485
- Axes: 1.0
- Resolution: 16
- DC Input: 12 to 56
from Yamaha Motor- Robot Division
SR1-X/SR1-P Features & Benefits. Diverse command methods. I/O assignment function. Supports complete absolute specifications. Current position output function. Torque limiter. Diverse functions. Position data output function. Torque limiting drive. Changing movement data function. Point... [See More]
- Communication: RS232
- AC Input: 115 to 230
- Axes: 1.0
- Phase : Single Phase
from Performance Motion Devices
Prodigy ®/CME Stand-Alone boards provide high-performance board-level motion control for scientific, automation, industrial, and robotic applications in a stand-alone board format. Similar to other Prodigy/CME products, these boards provide the ability to download and run C-motion programs... [See More]
- Communication: CANbus; Ethernet; RS232; RS485
- Axes: 1.0 to 4.0
- Resolution: 16
- DC Input: 5
from Yamaha Motor- Robot Division
TS-S/TS-X/TS-P robot positioner Features & Benefits. Simple operation only by specifying point number data. Completely applicable to absolute system. Maximum acceleration auto setting. Supports various field networks. LCD monitor showing easy-to-understand operation status display. Power supply... [See More]
- Communication: RS232
- AC Input: 100 to 230
- Axes: 1.0
- Phase : Single Phase
from Performance Motion Devices
Prodigy ®-PC/104 boards provide high-performance board-level motion control for scientific, automation, industrial, and robotic applications in a PC/104 compatible board format. These boards support Brushless DC, DC Brush, and step motor types, and are available in 1, 2, 3, and 4-axis... [See More]
- Communication: CANbus; Ethernet; RS232; RS485
- Axes: 1.0 to 4.0
- Resolution: 16
- DC Input: 12 to 56
from Performance Motion Devices
A programmable version of the standard ION ® 500 Digital Drive, the ION/CME 500 allows designers to download and run motion programs directly onto the ION 500 Digital Drive itself. This feature off-loads the host and allows for greater design flexibility with the distribution of motion programs... [See More]
- Communication: CANbus; Ethernet; RS232; RS485
- Motor / System: DC Brushed; DC Brushless
- Axes: 1.0
- DC Input: 12 to 56
from Performance Motion Devices
ION ® 500 & ION 3000 Digital Drives are compact, fully enclosed modules that provide high-performance motion control, network connectivity and power amplification for Brushless DC, DC Brush, and step motors. Two power output levels are available, the ION 500 is rated at 500 Watts and the ION... [See More]
- Communication: CANbus; Ethernet; RS232; RS485
- Motor / System: DC Brushed; DC Brushless
- Axes: 1.0
- DC Input: 20 to 195