RT130 01 Ref Tek Systems Training Dec 1
- Slides: 43
RT-130 -01 Ref. Tek Systems Training Dec 1 -2, 2009
RT-130 Connections & Communications
RT-130 ports
RT-130 Internal boards
RT-130 Specifications • • • • Input voltage: 10 to 16 VDC ~1. 4 W w/ 3 channels & communications ~2. 1 W w/ 6 channels & communications 24 bit output resolution Full scale of 20 VPP @ x 1 Bit weight of 1. 589 uvolts @ x 1 Sample rates: 1000, 500, 250, 125, 50, 25, 200, 100, 40, 20, 10, 5, 1 Time accuracy w/ GPS locked +/- 10 usec Supports Ethernet TCP/IP, UDP/IP, FTP, RTP Serial command interface w/ Palm Field Controller Supports several recording modes: including continuous, event, level, vote RAM 5 Mbytes 2 Compact. Flash drives: 2, 4 & 8 Gbytes available LCD display allows external monitor status of various subsystems w/o a PFC_Palm attached
RT-130 Operation Points of Interest
RT-130 Operation Points of Interest: Disk Recording – Dump Threshold: Disk Recording – Disk Wrap:
RT-130 Operation Points of Interest: RTP Connection – Keep/Toss choice : Keep or Toss Note:
RT-130 Operation Points of Interest: Datastreams Note:
RT-130 Operation Points of Interest: Sample Rate Groups (2) Thus if 125 sps is selected for datastream 1, then datastream 2 will default to 125 sps and so forth. No other choices available. Thus if 40 sps is selected for datastream 1, then datastream 2 can be sampled from any of the choices available in Group 2 and similar for other datastreams.
RT-130 Operation Points of Interest: Pre-event– Buffer Considerations RAM used by a single stream is estimated by: Ex. of 3 channels @ 125 sps w/ 4 sec pre-trigger is: Note:
RT-130 Operation Points of Interest: Pre-event– Buffer Considerations Continued Beginning with firmware version 2. 9. 0, calculations to evaluate available buffers for pre-event memory were changed from: buffer usage to longword usage. Then beginning with 3. 0. 0 the number of longwords was increased to 84, 150 longwords. Longwords are allocated starting at stream 1, then stream 2, then stream 3, etc. until buffers are used up; And memory is divided between the A/D converters. Default usage: (think of a longword as a buffer. ) Continuous stream uses 13 sec of longwords. Triggered stream uses 7 sec + the user specified pre-event time of longwords. Calculation: [(Sample rate * # of channels) + 6] = longwords / second.
RT-130 Operation Points of Interest: Pre-event– Buffer Considerations Continued Example: Stream 1 = 100 sps, 6 channels, continuous trigger [ (100 * 6) + 6] = 606 longwords/second * 13 seconds (continuous) = 7878 Subtract 7878 from 84150 and 76272 longwords left for other streams. Stream 2 = 200 sps, 6 channels, event trigger with 30 seconds pre-event [ (200 * 6) + 6] = 1206 longwords/second * 37 seconds (pre-event + 7 seconds) = 44622 Subtract 44622 from 76272 and 31650 longwords left for other streams. So, one could add a 3 rd continuous stream if you wanted to, or you could increase the pre-event of the second stream by 20 seconds.
RT-130 Operation Points of Interest: Bit Weights The RT-130 uses the Crystal 24 -bit chip set. The chip set outputs a limited digital count range of +/- 6, 291, 456 counts for the specific analog full scale input range. The maximum full scale analog input voltage (V fs) corresponds to the maximum full scale digital value. Thus the bit weight for the DAS is: (V fs)/6, 291, 456 The RT-130 has an analog input of 20 V P-P or +/- 10 V. Therefore the True Nominal Bit Weight of the RT-130 is: 1. 589 micro. Volts @ unity gain Note: Other gains available are x 32 & x 100: (V fs)/6, 291, 456/x. Gain)
RT-130 Operation Points of Interest: VCXO Accuracy with GPS is +/- 10 usec after validated 3 -D fix & locked
RT-130 Operation Points of Interest: Calibration Signals Note: Not all of the Cal parameters are applicable to all signal types.
RT-130 Operation: 4. 5. Firmware Updates
RT-130 Interface PFC_Palm DAS Control
RT-130 Interface with PFC_Palm Initial window view:
RT-130 Interface with PFC_Palm Control Menu view:
RT-130 Interface with PFC_Palm DAS Status view:
RT-130 Interface with PFC_Palm DAS Acquisition status view: Start Acquisition
RT-130 Interface with PFC_Palm DAS Load Parameter (LP) & Write Parameter (WP) view:
RT-130 Interface with PFC_Palm DAS Load Parameter (LP) & Write Parameter (WP) view: Continued However:
RT-130 Interface with PFC_Palm GPS status view:
RT-130 Interface with PFC_Palm RTP Server (RTPD) status view:
RT-130 Interface with PFC_Palm DAS Event Trigger status view:
RT-130 Interface with PFC_Palm DAS Version status view:
RT-130 Interface with PFC_Palm DAS Time & Set Time status view:
RT-130 Interface with PFC_Palm DAS Net & Set Net status view:
RT-130 Interface with PFC_Palm DAS Net & Set Net status view: continued
RT-130 Interface with PFC_Palm DAS Net & Set Net status view: continued
RT-130 Interface with PFC_Palm DAS Net & Set Net status view: continued Example values: Note: Will defer Serial PPP status view because CERI not using this type of interface. Similar but includes baud rate & serial connections to devices such as Freewave, AT/modem, etc.
RT-130 Interface with PFC_Palm DAS RAM status view: Ex. 6 380 0
RT-130 Interface with PFC_Palm DAS Reset status view: NOTE: This will perform a “soft” reset of internal setup & parameters. It will not perform a “hard” power cycle.
RT-130 Interface with PFC_Palm DAS Monitor status view:
RT-130 Interface with PFC_Palm DAS Auxiliary Control status view:
RT-130 Interface with PFC_Palm DAS Auxiliary Control status view: Example Aux. Ch. NOTE: By default
RT-130 Interface with PFC_Palm DAS Auxiliary Control status view: Aux. Ch.
RT-130 Interface with PFC_Palm DAS Auxiliary Control status view: RAM Test
RT-130 Interface with PFC_Palm DAS Disk status view: Two disks must be installed.
RT-130 Interface with PFC_Palm DAS Disk status view:
RT-130 Interface PFC_Palm DAS Configuration Now open PFC_130. pdf on page 39 (page 55 in pdf file)
- Rt130
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