28023 Parallax Inc, 28023 Datasheet
28023
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28023 Summary of contents
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... In general, servos require 4-7.5 VDC. Be sure that the servo power source can supply ample current at the proper voltage and will not damage the servos. Parallax, Inc. • Parallax Servo Controller – Rev B ver2.4 (#28023) • 1/2005 General: info@parallax.com 599 Menlo Drive, Suite 100 Rocklin, California 95765, USA Technical: support@parallax ...
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Getting Started Locate and remove the Parallax Servo Controller from its protective anti-static bag. It should closely resemble the image shown in Figure 1. Figure 1: Parallax Servo Controller – Rev B Mount the Parallax Servo Controller using 4-40 screws ...
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... After the preamble is sent, the command and associated parameters are sent. The eighth and final character sent is a $0D, (CR), used to terminate the string. If the command causes the PSC to reply, a three-byte reply is sent after a 1.5 mS delay. Parallax, Inc. • Parallax Servo Controller – Rev B ver2.4 (#28023) • 1/2005 standard servo 6-9VDC www ...
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VER? Command – Identify Firmware Version Number Syntax: “!SCVER?” $0D Reply: “1.3” The VER? command causes the PSC to reply with its firmware version number. A string terminator, $0D, must follow each command; note that you may use the constant ...
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... SEROUT Sdat, Baud+$8000,["!SC", ch, ra, pw.LOWBYTE, pw.HIGHBYTE, CR] PAUSE 1000 LOOP Note: Not all servos are exactly alike. If your servos appear to strain when commanded to position 250, you should increase the Parallax, Inc. • Parallax Servo Controller – Rev B ver2.4 (#28023) • 1/2005 The servo 5 ...
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Similarly, if your servo strains when commanded position 1250, you should decrease the 1250 to 1240 prevent the servo from straining ...
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... Unit 0 replies first. Unit 1 replies approximately 3 mS later. Since all replies are fixed at 3 byte lengths, you would need to configure your SERIN command to receive six bytes. Parallax, Inc. • Parallax Servo Controller – Rev B ver2.4 (#28023) • 1/2005 Figure 5: PSC with jumper (Ch16-31). ...
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Revision List Hardware Firmware -------------------------------------------------------------------------------------------------------------------------------- Rev A 1.0 (Only Beta units released) 90 degree rotation, 4 uSec resolution, 1-2 mS pulses, 8 bit PWM, 15 possible ramp values, position polling, and a serial interface at 38k4 Baud. You could daisy-chain ...
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... Parallax, Inc. • Parallax Servo Controller – Rev B ver2.4 (#28023) • 1/2005 Figure 6: PSC Rev B Schematic 9 ...