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Related Manuals for WATSON INDUSTRIES ADS-C232-3AD
Summary of Contents for WATSON INDUSTRIES ADS-C232-3AD
- Page 1 Dual Axis Vertical Reference System Owner’s Manual PART NUMBER: ADS-C232-3AD WATSON INDUSTRIES, INC. 3035 MELBY STREET EAU CLAIRE, WI 54703 Phone: (715) 839-0628 Fax: (715) 839-8248 Email: support@watson-gyro.com Watson Industries, Inc. ADS-C232-3AD Rev A 10/25/2017...
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Page 2: Table Of Contents
Appendix C......................... 20 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. -
Page 3: Introduction
It is a highly accurate and rugged device with many advantages over other types of angular rate and incline-sensing devices. This manual describes operation of the Watson Industries Vertical Reference and also provides useful application information to the system designer. -
Page 4: Mounting
In order to obtain an accurate signal in both the short-term and in the long-term, the Vertical Reference relies upon a Watson Industries angular rate sensor (ARS) combined with solid-state accelerometers. The position output is generated by integrating the angular rate output. This signal is compared with the output from the accelerometer and the resultant error signal is passed through a long time constant filter and fed back as a bias to the rate sensor. -
Page 5: Operation
The message can be read by using a terminal program or by using the terminal mode of Watson Industries’ communication software. The ADS can also be “re-initialized” after it has been turned on. This is especially useful if the sensor has been used in severe maneuvers that have over ranged the angular rate sensors and caused significant errors to accumulate. -
Page 6: Interface
The string is terminated by a carriage return. There will then be a short interval with no data transmission before the next string begins. Example: +002.5 -05.0 +00.9 -00.4 <CR> bank elev. X axis Y axis angle angle Rate rate space space space space Watson Industries, Inc. ADS-C232-3AD Rev A 10/25/2017... -
Page 7: Rs-232 Input Commands
An “I” or “i” sets the unit to Inertial mode. Switching to this mode clears the Reference Command mode. This is the default mode at power up and is the normal operating mode. Command mode is required for access to this command. Watson Industries, Inc. ADS-C232-3AD Rev A 10/25/2017... - Page 8 This command will toggle the transmitting of the text header during initialization (On to Off; Off to On). This change is made non-volatile in the unit on EEPROM by keying in the quote (“) character. Command mode is required for access to this command. Watson Industries, Inc. ADS-C232-3AD Rev A 10/25/2017...
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Page 9: Analog Outputs
Flag of the Flag channel gives a similar indication. Flag reset is normal operation; Flag Set is a fault condition. The BIT status byte that is available as part of the output message will give more information on the fault conditions. Watson Industries, Inc. ADS-C232-3AD Rev A 10/25/2017... -
Page 10: Specifications
The Analog output range for Bank & Elevation is menu selectable. This also changes the analog scale factor for Bank & Elevation. Specifications are subject to change without notice. This product may be subject to export restrictions. Export Classification ECCN 7A994. Watson Industries, Inc. ADS-C232-3AD Rev A 10/25/2017... -
Page 11: Connections
+Vin Power +8 to +45 VDC) The RS-232 serial and analog output connections are referenced to Signal Ground on pin 8. The power ground is already connected internally to the signal ground. Dimensions Figure 2 Watson Industries, Inc. ADS-C232-3AD Rev A 10/25/2017... -
Page 12: Warning
DISCLAIMER The information contained in this manual is believed to be accurate and reliable; however, it is the user’s responsibility to test and to determine whether a Watson Industries’ product is suitable for a particular use. Suggestion of uses should not be taken as inducements to infringe upon any patents. - Page 13 Customer Service All repairs, calibrations and upgrades are performed at the factory. Before returning any product, please contact Watson Industries to obtain a Returned Material Authorization number (RMA). Return Address & Contact Information Watson Industries, Inc. 3035 Melby Street Eau Claire, WI 54703...
- Page 14 Bit 4 Reset Y Rate in Range Bit 3 Reset No BIT Error Bit 2 Reset Unit Temp in Range (-40º to +85º C) Bit 1 Elevation Error Bit 0 Reset No Bank Error Watson Industries, Inc. ADS-C232-3AD Rev A 10/25/2017...
- Page 15 Bit 4 Reset No Y Rate Sensor Failure Bit 3 Reset Temp Sensor in range Bit 2 Reset No Z Accelerometer Failure Bit 1 Y Accelerometer Failure Bit 0 Reset No X Accelerometer Failure Watson Industries, Inc. ADS-C232-3AD Rev A 10/25/2017...
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Page 16: Activating Command Mode (Double Spacebar Mode)
1) To adjust the system time constants, type ‘1’ at the main menu. These settings can dramatically change the operation of the sensor and we recommend that any changes be made with the direction of Watson Industries engineering. Appendix B.2 Set Output Channels 1) To change the output channels, type ‘2’... -
Page 17: Appendix B.3 List Output Channels
SELECT ATTITUDE FOR SCALE FACTOR UPDATE (OR 'Q' TO QUIT): 1 = ANALOG BANK ANGLE 2 = ANALOG ELEVATION ANGLE 2) To change the Bank Angle setting. type ‘1’ at this menu. This will bring up the menu: Watson Industries, Inc. ADS-C232-3AD Rev A 10/25/2017... - Page 18 To change the Elevation Angle to Scale Factor 12°/V , type ‘3’. To change the Elevation Angle to Scale Factor 18°/V , type ‘4’. To change the Elevation Angle to Scale Factor 36°/V , type ‘5’. Watson Industries, Inc. ADS-C232-3AD Rev A 10/25/2017...
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Page 19: Appendix B.5 Set Baud Rate
Note: The baud rate of the software that is communicating to the sensor will need to be changed to match the new setting. 8) Press the space bar to resume data transmission. The factory settings for serial communications are 9.6K baud with 8 bits and one stop bit, no parity. Watson Industries, Inc. ADS-C232-3AD Rev A 10/25/2017... -
Page 20: Appendix C
X Rate Y Rate 0x85 0xFE 0x83 0xFF 0xAA 0x9C 0xA1 0x81 Remove the most significant bit from each byte: Bank Elevation X Rate Y Rate 0x05 0x7E 0x03 0x7F 0x2A 0x1C 0x21 0x01 Watson Industries, Inc. ADS-C232-3AD Rev A 10/25/2017... - Page 21 Scale factor is: (200 ˚/s) / 32768 counts Bank Elevation X Rate Y Rate 14.991 ˚ -5.010 ˚ 10.181 ˚/s -3.100 ˚/s The nominal interface settings are: 9600 Baud 8 Bit Data 1 Start Bit 1 Stop Bit No Parity Watson Industries, Inc. ADS-C232-3AD Rev A 10/25/2017...
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