range interface unit
TRANSCRIPT
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Range Interface Unit
Pointing Data Selector
Ronald T. Peterson 2017-01-23 TRAX International, LLC
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RIU Functions
• Receive Pointing Data in Various Formats– Convert to a Common Internal Format
– Filter and Validate Data From Multiple Sources
• Send Pointing Command to Range Instrument– Select from Best of Pointing Sources
– Predict Ahead as Required
– Convert to The Required Format For Servos
• Receive Status from Range Instrument– Display and Publish Instrument Status
Ronald T. Peterson 2017-01-23 TRAX International, LLC
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RIU Features
1. Multiple TSPI Input Sources2. Output Formats to Various ACU’s3. Integral Data Logging4. Situational Awareness Outputs5. Data Playback Capability 6. Used at Several WSMR Locations7. Used on Three MDA Ships for Seven
Antennas
Ronald T. Peterson 2017-01-23 TRAX International, LLC
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RIU MDA Setup
External Data RIU ACU
RAGE
Antenna
Display Keyboard
Mouse
Touch Screen Display
Other:
IRIG-BPFSIMU
EncryptionSeaTel
Display Keyboard
Mouse
Ronald T. Peterson 2017-01-23 NewTec
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WSMR Master Location
CRCC/RTDPS
TSN
RAGE
Display Keyboard
Mouse Joystick
Touch Screen Display
Other:
IRIG-BPFS
Encryption
RIUDisplay
Keyboard Mouse
TDOP
Ronald T. Peterson 2017-01-23 NewTec
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WSMR Remote Sites
TSN RIU ACU
RAGE
Antenna
Display Keyboard
Mouse
Touch Screen Display
Other:
IRIG-BPFS
Encryption
Display Keyboard
Mouse
Ronald T. Peterson 2017-01-23 NewTec
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RIU-XVII ‘Mission’ Tab
Ronald T. Peterson 2017-01-23 TRAX International, LLC
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RIU-XVII ‘Setup Receivers’ Tab
Ronald T. Peterson 2017-01-23 TRAX International, LLC
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RIU-XVII ‘Setup Outputs’ Tab
Ronald T. Peterson 2017-01-23 TRAX International, LLC
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RIU-XVII ‘State Vector/Trajectory File’ Tab
Ronald T. Peterson 2017-01-23 TRAX International, LLC
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RIU-XVII ‘Test Mode’ Tab
Ronald T. Peterson 2017-01-23 TRAX International, LLC
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RIU Questions
• POC:
–1-575-678-4272
Ronald T. Peterson 2017-01-23 TRAX International, LLC
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Serial Data Synchronous vs Asynchronous
• Serial Data Port on PC is Asynchronous– One Start bit, Eight Data bits(a Byte), One Stop bit
– Stop bit Level Until Ready to Send Next Byte
• Synchronous Data – Never Stops, Has NO START bit, NO STOP bit
– Start of Message Is Encoded in the data
• Ethernet is Synchronous Data– Sync Pattern is 64 bits
– Data Length is Variable
Ronald T. Peterson 2017-01-23 NewTec
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US Army White Sands Missile Range
Synchronous Serial Converter (SSC)
Summary
Replacement Hardware For The
Lenkurt Modem
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US Army White Sands Missile Range
Synchronous Serial Converter (SSC)
• Government off-the-shelf (GOTS) product from WSMR.
• Designed as a drop-in replacement for the Lenkurt modem.
• Uses existing 120-bit message protocol.
• Additional features
– IRIG-B decoder
– Expanded formats with IRIG time tag
– HDLC data formatting
– 240-bit UTTR messages
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US Army White Sands Missile Range
SYNCHRONOUS SERIAL
CONVERTER (SSC) RANGE
INTERFACE
UNIT (RIU)
Legacy
synchronous
serial interface.
SYNC
2400 bps
IRIG-B
ANTENNA
CONTROL
UNIT (ACU)
10
/10
0
RANGE INTERFACE UNIT (RIU) &
Synchronous Serial Converter (SSC)
TSN, APOGEE
ETC
10
/10
0
10
/10
0
Note: 120-bit synchronous serial packets may
be time tagged with IRIG-B millisecond time.
RIU used to control legacy 120-bit
synchronous serial instrumentation by
sending Ethernet UDP packets through an
SSC.
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US Army White Sands Missile Range
Synchronous Serial Converter (SSC)
Front Panel
Rear Panel
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Synchronous Serial Converter
• Interface’s Between 2400 baud Synchronous Data and Ethernet UDP Packets
• RS-232 Defines Voltage Levels +12, -12 Volts
• RS-232 Transmit & Receive Has Data and Clock– Not Asynchronous (no start bit) alternating sync
– Find the Start of Data Packet
– Publish Data as a UDP Ethernet Packet
• Receive UDP Ethernet Packet– Send RS-232 Data and Clock at 2400 baud
Ronald T. Peterson 2010-09-15 NewTec
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RIU & SSC Answers
• POC:
–1-575-678-4272
Ronald T. Peterson 2017-01-23 TRAX International, LLC
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RIU-XVII ‘Ship Motion Sim’ Tab
Ronald T. Peterson 2017-01-23 TRAX International, LLC
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RIU-XVII ‘Modify Formats’ Tab
Ronald T. Peterson 2017-01-23 TRAX International, LLC