Watson Industries, Inc.
SPS-P230 Rev A 10/17/2017
2
Table Of Contents
Introduction................................................................................................................... 3
Product Description ...................................................................................................... 3
Servo System ................................................................................................................................................................. 4
Joystick Controller ......................................................................................................................................................... 5
Operation ...................................................................................................................... 5
Start-Up.......................................................................................................................................................................... 5
Time Constant................................................................................................................................................................ 5
Pointing Angle ............................................................................................................................................................... 6
Inertial Mode.............................................................................................................................................................. 6
Position Mode ............................................................................................................................................................ 7
Error Correction ............................................................................................................................................................. 7
Centrifugal Force: ...................................................................................................................................................... 7
Delta Velocity (Acceleration): ................................................................................................................................... 7
Safety Features............................................................................................................................................................... 7
Over-current detection: .............................................................................................................................................. 7
Electronic limit stop:.................................................................................................................................................. 8
Mechanical limit stop:................................................................................................................................................ 8
Reverse power connection: ........................................................................................................................................ 8
Installation .................................................................................................................... 8
Mounting:....................................................................................................................................................................... 8
Servo System: ............................................................................................................................................................ 8
User Payload: ........................................................................................................................................................... 10
Environment: ............................................................................................................................................................... 11
Connections: ................................................................................................................................................................ 11
Power: .......................................................................................................................................................................... 11
Specifications.............................................................................................................. 12
RS-232 Output Format ............................................................................................... 13
Joystick Controller...................................................................................................... 14
Joystick ........................................................................................................................................................................ 14
Power Button ............................................................................................................................................................... 14
Position Mode Button .................................................................................................................................................. 14
Home Button................................................................................................................................................................ 15
Rate Bias Button .......................................................................................................................................................... 15
Joystick Controller Pinout............................................................................................................................................ 15
Servo System Pinout .................................................................................................................................................... 16
RS-232 Input Commands ........................................................................................... 16
Warning ...................................................................................................................... 17
Appendix A................................................................................................................. 19
Appendix B ................................................................................................................. 22
Activating Command Mode (Double Spacebar Mode)................................................................................................ 22
Determining Output Channels ..................................................................................................................................... 22
Setting Output Channels .............................................................................................................................................. 23
Adjust Time Constant .................................................................................................................................................. 23
Set Joystick Tilt Axis Parameters ................................................................................................................................ 24
Set Joystick Pan Axis Parameters ................................................................................................................................ 25
Set New Home Position ............................................................................................................................................... 26
Set Baud Rate............................................................................................................................................................... 27
Watson Industries prides itself on solving customer problems and serving their needs in a timely fashion. This manual
is intended to facilitate this goal and to provide written information about your product. We ask that you carefully read
this manual. Becoming familiar with the manual will help you understand the product’s capabilities and limitations, as
well as provide you with a basic understanding of its operation. If, after reading the manual, you require further
assistance, do not hesitate to call Watson Industries with your questions and comments.
