Directed Perception PTU-D46 Series - 1 Introduction to Pan-Tilt Units

PTU-D46 User’s Manual (v2.14.0) INTRODUCTION
page 1
1 INTRODUCTION
The Computer-Controlled Pan-Tilt Unit from Directed Perception provides low-cost, fast and
accurate positioning of cameras and other payloads. Some general features:
• Simple to command from any RS-232 terminal or computer
• Small form factor
• PTU-D46-17 performance highlights:
• Load capacity over 6 lbs. (2.72kg)
• Speeds over 300°/second
• Resolution of 3.086 arc minute (.0514°)
• PTU-D46-70 performance highlights:
• Load capacity over 9 lbs. (4.08kg)
• Speeds over 60°/second
• Resolution of .7714 arc minute (.0129°)
• Precise control of position, speed & acceleration
• On-the-fly position and speed changes
• Self calibration upon reset
• Power consumption can be controlled from host
• ASCII command mode for simplicity, binary commands available for efficient program
control
• Constant current DMOS motor drives for increased performance and control
• DC power input from an unregulated source
The PTU-D46 series is electrically and software compatible with the earlier PTU-46 series. The
PTU-D46 provides a smaller controller, higher payload capacity, greater power control, smoother
movement, flash reprogrammability, and cooler operation for hot or more hostile environments.
Applications of the PTU include:
• Robotics & computer vision
• Webcam
• Security camera control
• Teleconferencing
• Advanced monitoring systems
•Tracking
• Photography, videography and special effects.
In addition, the PTU has flexible connectivity options.
This User’s Manual provides information needed to set up and operate the PTU unit. The
next section provides a quick overview to allow you to get started as quickly as possible. More
detailed technical information is provided in the remaining sections.