Table of Contents
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VG910 SERIES
FIBER OPTIC GYROSCOPES
Information Guide
Output
differential
single-ended
digital
Model Name
Main
Extension
VG910H
1
125C
VG910F
1
LN
VG910D
Key Features
Low noise and durable, 500 g
Extremely robust, 1200 g
Operating at +125°C
Built-in bias calibration
Highly reliable and robust
Enhanced performance
RS232 / RS422
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Table of Contents
Summary of Contents for Fizoptika VG910H
- Page 1 FIBER OPTIC GYROSCOPES Information Guide Model Name Output Key Features Main Extension Low noise and durable, 500 g differential VG910H Extremely robust, 1200 g 125C Operating at +125°C Built-in bias calibration single-ended VG910F Highly reliable and robust Enhanced performance digital...
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Page 2: Table Of Contents
Highly Reliable and Robust VG910F1 ........................17 5.3. Digitized VG910D ..........................18 Precautions and Recommendations .................. 19 Product Page Quick Links ....................19 Annex. VG910 Series Specifications ..................20 www.fizoptika.com FIZOPTIKA Fiber Optic Gyroscopes. VG910 series. Information Guide Version #8 of 25/05/2018 Page 2 of 20... -
Page 3: Introduction
Axes Definition The information presented in this document is believed to be correct. Fizoptika accepts no liability for any errors it might contain and reserves the right to alter specifications without prior notice. All pictures shown are for illustration purpose only. The actual product may vary due to the ongoing product enhancement. -
Page 4: Product Specifications
1.4. Product Specifications The VG910H specifications are listed in the table below. A summary table with the specifications of all the models in the series is in the Annex. Parameter Value MAIN PARAMETERS Input range* 250 deg/s Scale Factor (SF)**... -
Page 5: Essential
Connection diagrams of the 910 series models and description of the digital model output connector are presented below. VG910H VG910F Connection Diagram Connection Diagram www.fizoptika.com FIZOPTIKA Fiber Optic Gyroscopes. VG910 series. Information Guide Version #8 of 25/05/2018 Page 5 of 20... - Page 6 VG910D. Output Connector Description VG910D. Connection Diagram Electrical diagrams of the 910 series analog models are presented below. www.fizoptika.com FIZOPTIKA Fiber Optic Gyroscopes. VG910 series. Information Guide Version #8 of 25/05/2018 Page 6 of 20...
- Page 7 VG910H. Electrical Diagram VG910F. Electrical Diagram www.fizoptika.com FIZOPTIKA Fiber Optic Gyroscopes. VG910 series. Information Guide Version #8 of 25/05/2018 Page 7 of 20...
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Page 8: Output Voltage Of The Differential Output
Gyro failure (abnormal response to rotation) may be detected by the monitoring +5V current (I) change from the certificate value (I*) Failure criteria: if I > (I*+30mA) I < (I*-10mA), confidence > 80%. www.fizoptika.com FIZOPTIKA Fiber Optic Gyroscopes. VG910 series. Information Guide Version #8 of 25/05/2018 Page 8 of 20... -
Page 9: Mounting Guidelines
FOG has virtually no moving parts and no inertial resistance to movement. Hence, FOG technology is one of the most reliable gyroscope technologies. 3.2. Embedded Design The Fizoptika gyro is a complete gyro system which comprises a fiber optic sensing assembly analog processing... - Page 10 VG910H Assembly Drawing VG910F Assembly Drawing www.fizoptika.com FIZOPTIKA Fiber Optic Gyroscopes. VG910 series. Information Guide Version #8 of 25/05/2018 Page 10 of 20...
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Page 11: Analog Electronics Board
The open-loop gyro requires electronics to drive the SLD and phase modulator (PZT) for signal conditioning and for precise demodulation of the optical signal. The OE141-55 analog processing board is used in the VG910H and VG910D models, whereas the advanced OE141-35 analog processing board with built-in bias calibration and accurate phase control loops is used in the VG910F models. -
Page 12: Typical Test Data
Typical Test Data Typical test data belong to the basic model VG910H and to all other models of the series unless specific model data are provided. 4.1. Test data for VG910H Main Parameters (Bias, SF, Current) vs Temperature Allan Variance Plot... -
Page 13: Test Data For Vg910F
Time (ms) Output Components (AC, DC) vs SINE Vibration Power-on Transient (ms) as Gyro Rotates 20 deg/s, (2 g normalized) time resolution 0.2ms www.fizoptika.com FIZOPTIKA Fiber Optic Gyroscopes. VG910 series. Information Guide Version #8 of 25/05/2018 Page 13 of 20... -
Page 14: Other Models In The Series
Range (extended, <30 min) +70°C … +125°C Exposure Temperatures (2 h) +55°C…+85°C (1 h) +85°C…+125°C 0.05 deg/√h Main Parameters (Bias, SF, Current) vs Temperature (Extended Range) www.fizoptika.com FIZOPTIKA Fiber Optic Gyroscopes. VG910 series. Information Guide Version #8 of 25/05/2018 Page 14 of 20... -
Page 15: Extremely Robust Vg910H1
Components (AC, DC) vs SINE Vibration (2g normalised, 400Hz to 2kHz) Shock Profile and Gyro Current Variation during Shock Peaks – due to the shaker angular motion www.fizoptika.com FIZOPTIKA Fiber Optic Gyroscopes. VG910 series. Information Guide Version #8 of 25/05/2018 Page 15 of 20... -
Page 16: Single-Ended Models
Specific product features: Input range 180 deg/s 13.5 mV/deg/s 0.01 deg/√h Main Parameters (Bias, SF, Current) vs Temperature Bias stability, RMS 0.5 deg/h www.fizoptika.com FIZOPTIKA Fiber Optic Gyroscopes. VG910 series. Information Guide Version #8 of 25/05/2018 Page 16 of 20... -
Page 17: Highly Reliable And Robust Vg910F1
(no detectable change of main parameters) Output Components (AC, DC) vs SINE Vibration Main Parameters (Bias, SF, Current) vs Temperature (2 g normalised, sweep from 400Hz to 2kHz) www.fizoptika.com FIZOPTIKA Fiber Optic Gyroscopes. VG910 series. Information Guide Version #8 of 25/05/2018 Page 17 of 20... -
Page 18: Digitized Vg910D
5.3. Digitized VG910D The VG910D is the VG910H with a digitized output. The ADC resolution is 0.3µV. VG910D has an additional embedded ADC board that The standard VG910D has an RS232 (115kBd) interface converts analog data into a digital signal. Digital data with a 1200 Hz repetition rate. -
Page 19: Precautions And Recommendations
VG910F-LN VG910F1 • Info Notes: Fiber Optic Sensing Assembly Electronics Board OE141-55 Electronics Board OE141-35 Digital Output Request for Quotation & Technical Support www.fizoptika.com FIZOPTIKA Fiber Optic Gyroscopes. VG910 series. Information Guide Version #8 of 25/05/2018 Page 19 of 20... -
Page 20: Annex. Vg910 Series Specifications
450 g, 3 ms 1200 g, 1 ms 500 g, 1 ms 60000 95000 MTBF (20°C) Lifetime 15 years * Humidity conditions applied (see section 1.5) www.fizoptika.com FIZOPTIKA Fiber Optic Gyroscopes. VG910 series. Information Guide Version #8 of 25/05/2018 Page 20 of 20...