PWM83 Speed Controller Light Dimmer Board
RS-232 8-Channel 3-Amp Speed Controller/Light Dimmer Board
Product Code: PWM83
Also available is our QS12 Quick Start Kit. Kit includes a high quality regulated switcher supply, serial cables, and an RSIO adapter board used to add a standard serial and power connector to this relay controller. This Quick Start Kit can be purchased during checkout of this controller.
PWM Series at a Glance
- 1200/2400/9600/19.2K Baud Operation
- Control 256 Levels for Each FET
- Programmable Power-Up Level
- Two-Way Communication Capabilitie
- Quick Connect Terminal Blocks
- Optoisolated RS-232 Inputs
- Intelligent Status LEDs
- 2 RS-232 Input Levels
- +12 Volt Operation, 2/3-Wire RS-232
Resources:
Here's Where to Order
Quick Start Kit Available
QS12 Quick Start Kit
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Kit includes a high quality regulated switcher supply, serial cable, and RSIO adapter |
| Stock#: QS12 | $49/ea |
Questions?
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National Control Devices, LLC www.controlanything.com Since October, 1995 .
Speed Control Light Dimmer
Safely Control the Speed of a DC Motor
Control the Brightness of Lights in a Room
PWM8x Series Controllers May Be Exactly What You Are Looking For
Custom Pulse Width Modulation Processor
There are some computer control applications that are a little more demanding than simple on/off control signals. If you have ever had an application where you need to safely control the speed of DC motors or the brightness of lights in a room, then our PWM8x series controllers may be exactly what you are looking for.The PWM8x series controllers are built around a custom pulse width modulation processor. This new processor is dedicated to providing 256 levels of pulse width modulation for 8 individual channels. Coupled with powerful fets, the PWM8x is capable of controlling 256 levels of brightness for 8 individual light bulbs under computer control. Rated for use with resistive and inductive loads, the PWM8x is also a very suitable solution for DC motor speed control applications.
Two Dedicated Processors
The PWM8x has two dedicated processors: The Interface processor is dedicated to handling serial commands while the PWM processor is dedicated to keeping the pulse stream as steady as possible. When a command is received by the Interface processor, the PWM chip is flagged. The new command is copied from the Interface processor to the PWM chip and the pulse stream starts back up again. The update occurs in just a few microseconds, and is undetectable to most real world control applications. The 8 signals generated by the PWM chip are directly connected to the gates of the 8 N-Channel Hexfets. The Hexfets connect your external device to ground, then disconnects at very high speed. You control the speed of the connection/disconnection, which in turn controls the speed of a motor or the brightness of an incandescent lamp.Easy Connection
Connecting a DC motor to the PWM8x is very easy. A typical DC motor has two leads, positive and negative. Simply connect the V+ of the motor to the V+ of your power supply, such as a 12V car battery. Connect the Ground Lead of your car battery to the Ground Connection on the PWM8x. Connect the Load Lead on the PWM8x to the Ground Connection of your motor. Next, connect the QS12 quick start kit (which includes a serial cable and power supply for powering the logic on the PWM8x). You are now ready to control the speed of your motor under computer control.Pre-Defined Startup PWM Patterns
The PWM8x is capable of storing a pre-defined startup PWM patterns. A soft-start feature gradually raises each of the 8 channels to their pre-defined PWM duty cycle when power is first applied to the controller. The instant on feature begins PWM on all 8 channels as soon as power is applied to the controller. The PWM8x is E3C compliant, allowing up to 256 NCD devices to share a single serial port. The PWM8x is optically isolated from the control computer, preventing damaging voltage spikes. The PWM8x operates at 1200, 2400, 9600, or 19.2K baud and is capable of controlling each channel individually or all eight channels simultaneously.Choosing a Controller
The PWM81 is perfectly suited for automotive lighting applications (except headlights), such as custom turn signals and interior lighting. The PWM83 is suitable for larger lights and small DC motors. The PWM85 is suitable for larger DC motors found in most robotic control applications. Please see the product manual for maximum electrical ratings.Attention: Burn Risk
Please Note: RISK OF ELECTRICAL SHOCK WHILE DRIVING INDUCTIVE LOADS. HEAT SINKS MAY BECOME VERY HOT UNDER NORMAL OPERATION. SERIOUS BURN RISK!
RS-232 8-Channel 3-Amp Speed Controller/Light Dimmer Board | |
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Code: PWM83 Price: $127.00 Shipping Weight: 2.00 pounds | |
| RS-232 8-Channel 3-Amp Speed Controller/Light Dimmer Board | |
Computer Control
Mobile Device Compatible
Stand-Alone
Light Dimmers
Additional Products
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