Serial Data Transfer Schemes
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Rs-232 Rs-422 Rs-485
ConceptConcept ofof SerialSerial CommunicationCommunication AgendaAgenda Serial v.s. Parallel Simplex , Half Duplex , Full Duplex Communication RS-485 Advantage over RS-232 SerialSerial v.s.v.s. ParallelParallel Application: How to Measure the temperature in a long distance? Measuring with a DAC card: 1200 m Remote sensor Control room T/C wire T/C A/D noise Application: How to Measure the temperature in a long distance? Measuring with a remote I/O module: 1200 m Remote sensor Control room T/C Remote I/O Standard Serial Communication T/C signal, 4-20mA, 0-5V… Noise rejection (Differential signal) MostMost PopularPopular 33 typestypes ofof SerialSerial Comm.Comm. z Most commonly available Tx Rx Rx Tx z Simple wiring CTS RTS z Low cost RTS CTS RS-232 z Short length (40 ft) DTR DSR DSR DTR Bar code reader z Slow data rates GND GND z Subject to noise Tx+ z High data rates Tx- z Longer cable lengths (4000 ft) Rx+ Rx- RS-422 z Full-duplex GND z Noise rejection PLC z Multipoint application (Up to 32 units) z Low cost Data+ z Longer cable lengths (4000 ft) Data- RS-485 zNoise immunity GND zHalf-duplex PLC SerialSerial V.S.V.S. ParallelParallel CommunicationCommunication Serial Communication Transfer the data bit by bit Synchronous Data Transfer Bit Send Data Receive Data Parallel Communication Transfer the all data simultaneously Asynchronous Data Transfer Bit Bit Bit Bit Bit Bit Bit Bit Send Data Receive Data SimplexSimplex ,, HalfHalf DuplexDuplex ,, FullFull DuplexDuplex CommunicationCommunication SimplexSimplex CommunicationCommunication Simplex Communication : – Data in a simplex channel is always one way. -
M515-2-Medialon-Control-System
Medialon Control System User Reference Manual Trademark Information Medialon is a trademark of Medialon Ltd. Product or company names that mentioned in Medialon Ltd publications are tradenames or trademarks of their respective owners, and such trademarks may also be registered in their respective countries. Copyright Information All Rights Reserved. This document is copyrighted © by Medialon Ltd and shall not be reproduced or copied without express written authorization from Medialon Ltd. The information in this document is subject to change without notice. Medialon Ltd assumes no responsibility for errors, and/or omissions contained in this information. Document Revision Date Document Software version Revision details Author/Editor edition May 2019 4.4.3 Rev 1 Medialon Manager 6.7 Published by Barco Eric Cantrell Medialon Showmaster Editor 2.7.0 June 2019 M515-1 Medialon Manager 6.7 Re-edited, published by Andie Davidson (ed) Medialon Showmaster Editor 2.7.0 Medialon Ltd May 2020 M515-2 Medialon Manager 6.7 Edited with addition of Eric Cantrell, Andie Medialon Showmaster Editor 2.7.0 Showmaster Go and Davidson (eds) Showmaster Mini M515-2 Contents 1 About this Manual .............................................................................................................................. 9 1.1 Prerequisites ..................................................................................................................................... 9 1.2 Objective of this Manual .................................................................................................................. -
Download the • Event Information Is Stored As a Separate File
AAAATMANIRBHARTTMANIRBHARTAA BYBY HALHAL ONEONE STOPSTOP SOLUTIONSOLUTION FORFOR ALLALL AEROSPAEROSPACEACE NEEDSNEEDS OVERHAUL/UPGRADE • HAL has produced over 4200 • ISO 9001 "Navratna" Company aircraft & over 5200 engines, • ISO 14000 • About 25,000 Employees including 17 types of indigenous • Turnover more than • AS 9100D design. 2.8 Billion USD • HAL has also overhauled over 11000 • NADCAP • Listed Company on BSE aircraft and 33000 engines Certifications and NSE OVERHAUL/UPGRADE To achieve self reliance in design, development, manufacture, upgrade To become a and maintenance of aerospace equipment, diversifying significant into related areas and managing the business in a climate of growing global player in professional competence to achieve world class performance the aerospace standards for global competitiveness and growth in exports. industry. 3 CONTENT 9 TEJAS-LCA 32 AFCC 10 HTT-40 11 DHRUV 12 LCH 13 LUH 14 RUDRA 15 JAGUAR UPGRADE AIRCRAFT FLIGHT CONTROL PLATFORMS PAGE 6 PAGE 17 SYSTEM PAGE 33 ABOUT HAL PAGE 9 Communication, PAGE 31 Navigation & RECORDING Identification SYSTEM systems 6 THE COMPANY 18 DACS 34 SSDVRS 7 PRODUCTION CENTRES 19 ACS 235 35 CVFDR 8 DESIGN COMPLEX 20 SoftNet Radio 36 SSFDR 21 SCDLU 37 CPMM 22 VACS 38 SSFDR/CVR 23 MNS 24 VOR/ILS 25 ADVANCED TACAN 26 RAM 2700A 27 IFFT-2460ALH1 28 IFFI-3400A 29 CIT 30 AIS 4 CONTENT 42 Mission Computer for Mirage 2000 68 TRANSFORMER RECTIFIER UNIT (TRU) 43 Jaguar Darin III 69 AC POWER MANAGEMENT & DISTRIBUTION Mission Computer S YSTEM 44 Mission Computer (MC) 70 ALTERNATOR CONTROL -
Distributed Systems
14-760: ADVANCED REAL-WORLD NETWORKS LECTURE 17 * SPRING 2019 * KESDEN SERIAL COMMUNICATION Courtesy 18-349 SERIAL VS. PARALLEL TX Serial MCU 1 RX MCU 2 signal Data[0:7] Parallel MCU 1 MCU 2 3 WHY SERIAL COMMUNICATION? 4 • Serial communication is a pin-efficient way of sending and receiving bits of data • Sends and receives data one bit at a time over one wire • While it takes eight times as long to transfer each byte of data this way (as compared to parallel communication), only a few wires are required • Typically one to send, one to receive (for full-duplex), and a common signal ground wire • Simplistic way to visualize serial port • Two 8-bit shift registers connected together • Output of one shift register (transmitter) connected to the input of the other shift register (receiver) • Common clock so that as a bit exits the transmitting shift register, the bit enters the receiving shift register • Data rate depends on clock frequency SIMPLISTIC VIEW OF SERIAL PORT OPERATION Transmitter Receiver n 0 1 2 3 4 5 6 7 n n+1 0 1 2 3 4 5 6 n+1 7 n+2 0 1 2 3 4 5 n+2 6 7 n+3 0 1 2 3 4 n+3 5 6 7 n+4 0 1 2 3 n+4 4 5 6 7 n+5 0 1 2 n+5 3 4 5 6 7 n+6 0 1 n+6 2 3 4 5 6 7 n+7 0 n+7 1 2 3 4 5 6 7 n+8 n+8 0 1 2 3 4 5 6 7 Interrupt raised when Interrupt raised when Transmitter (Tx) is empty Receiver (Rx) is full a Byte has been transmitted a Byte has been received and next byte ready for loading and is ready for reading SIMPLE SERIAL PORT Receive Buffer Register 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 Receive Shift Register Transmit Shift Register 0 1 2 3 4 5 -
Enhanced Communications Protocol Serial Port
Enhanced Communications Protocol Serial Port Huey lope below. Shakier Muffin may very threefold while Andrej remains bloody-minded and hypertonic. Foreordained Bartlett overshoots excellently. Why degaussing is missing the linux, it is connected to have various commands from serial communications control signals going into digital Specifies the stac algorithm on the CAIM card for the port. Enhanced communication protocols there is ready for access control equipment costs, required for this interface configuration mode is also occurs waiting for other. The protocol such a real plant as a standard ports for wio lte module can be a single instrument approaches built around, said serial manager. Scanner 1131 Sensia. This communications option uses the NITP protocol to communication with the serial. Its serial manager is installed handlers should be improved accuracy of remote device in some way is processed. Hart communication port interface also values that. Moreover our enhanced security features and mass device management. Homeyduino allows you. Modbus communication problems. However, we recommend that you configure the working interface first. ASCII character key string or byte value serial communication protocols. This allows additional watchdog logic to monitor multiple slave devices for communication faults not detected by the Serial Interface. These protocols are called a protocol for controlling train simulator on device which would still often erred in parallel process to be included a communications in. Data Transmission Parallel vs Serial Transmission Quantil. This prompt type is standard Ethernet protocol; the same used on an empty internal computer network. LZS and MPPC data compression algorithms. For communications with Modbus devices any way these methods can be utilized. -
Isolated RS-485 Transceivers Support DMX512 Stage Lighting & Special-Effects
Texas Instruments Incorporated Interface (Data Transmission) Isolated RS-485 transceivers support DMX512 stage lighting and special- effects applications By Thomas Kugelstadt Senior Applications Engineer Figure 1. Daisy-chained topology of DMX512 network Controller Receiver 1 Receiver 2 Receiver n Terminator (Master) (Slave) (Slave) (Slave) (120 W) OUT IN OUT IN OUT IN OUT IN Stage lighting and special-effects applications in modern Within the network, all nodes are connected through daisy- theaters, opera houses, sports arenas, and concert halls chaining; that is, each slave node has an IN connector as utilize complex data-transmission networks. These net- well as an OUT connector. The controller, which has only works, often reaching distances of up to 1200 m, provide an OUT connector, connects to the IN connector of the communication between several hundreds of network first slave. The OUT connector of the first slave connects nodes that control dimmers, moving lights, fog machines, to the IN connector of the next slave, and so on (see and other special-effects equipment. Figure 1). The OUT connector of the last slave in the The first standard ensuring reliable intercommunication chain connects to a 100-W or 120-W terminator plug. for these applications was known as DMX512 and was So that the ingoing and outgoing data signals of a originally developed in 1986 by the United States Institute DMX512 port can be distinguished, the IN connectors are for Theatre Technology (USITT) Engineering Commission. male XLR-5, and the OUT connectors are female XLR-5 In 1998, the Entertainment Services and Technology (see Figure 2). -
Serial Communication Buses
Computer Architecture 10 Serial Communication Buses Made wi th OpenOffi ce.org 1 Serial Communication SendingSending datadata oneone bitbit atat oneone time,time, sequentiallysequentially SerialSerial vsvs parallelparallel communicationcommunication cable cost (or PCB space), synchronization, distance ! speed ? ImprovedImproved serialserial communicationcommunication technologytechnology allowsallows forfor transfertransfer atat higherhigher speedsspeeds andand isis dominatingdominating thethe modernmodern digitaldigital technology:technology: RS232, RS-485, I2C, SPI, 1-Wire, USB, FireWire, Ethernet, Fibre Channel, MIDI, Serial Attached SCSI, Serial ATA, PCI Express, etc. Made wi th OpenOffi ce.org 2 RS232, EIA232 TheThe ElectronicElectronic IndustriesIndustries AllianceAlliance (EIA)(EIA) standardstandard RS-232-CRS-232-C (1969)(1969) definition of physical layer (electrical signal characteristics: voltage levels, signaling rate, timing, short-circuit behavior, cable length, etc.) 25 or (more often) 9-pin connector serial transmission (bit-by-bit) asynchronous operation (no clock signal) truly bi-directional transfer (full-duplex) only limited power can be supplied to another device numerous handshake lines (seldom used) many protocols use RS232 (e.g. Modbus) Made wi th OpenOffi ce.org 3 Voltage Levels RS-232RS-232 standardstandard convertconvert TTL/CMOS-levelTTL/CMOS-level signalssignals intointo bipolarbipolar voltagevoltage levelslevels toto improveimprove noisenoise immunityimmunity andand supportsupport longlong cablecable lengthslengths TTL/CMOS → RS232: 0V = logic zero → +3V…+12V (SPACE) +5V (+3.3V) = logic one → −3V…−12V (MARK) Some equipment ignores the negative level and accepts a zero voltage level as the "OFF" state The "dead area" between +3V and -3V may vary, many receivers are sensitive to differentials of 1V or less Made wi th OpenOffi ce.org 4 Data frame CompleteComplete one-byteone-byte frameframe consistsconsists of:of: start-bit (SPACE), data bits (7, 8), stop-bits (MARK) e.g. -
Rs422/Rs485 Hat
RS422/RS485 HAT Application Note: How to use DMX512/RDM 1 Introduction The RS422/RS485 HAT for the Raspberry Pi can be used for lighting controls via DMX512 bus. In DMX512 bus systems RS-485 is used as the physical layer. Our RS422 / RS485 Serial HAT is a fully galvanic isolated serial communication HAT designed for use with the Raspberry Pi and the perfect choice for such kind of applications. 2 Bill of Material ● Raspberry Pi B+, B2 or B3 ● RS422/RS485 serial HAT (available in our webstore) ● 5pole XLR connectors (male & female) for professional use ● 3pole XLR connectors (male & female) for semi professional use ● hook-up wires Application Note DMX512 Rev C Page 1 of 6 01/2018 RS422/RS485 HAT Application Note: How to use DMX512/RDM 3 Wiring of RS422/RS485 HAT and 3pole XLR Pin 1: Shield / Ground Pin 2: Negative Pin 3: Positive Shield positive negative Application Note DMX512 Rev C Page 2 of 6 01/2018 RS422/RS485 HAT Application Note: How to use DMX512/RDM 4 Wiring of RS422/RS485 HAT and 5pole XLR Pin 1: Shield (Common) Pin 2: DMX 1 Negative Pin 3: DMX 1 Positive Pin 4: DMX 2 Negative Pin 5: DMX 2 Positive Shield negative positive Application Note DMX512 Rev C Page 3 of 6 01/2018 RS422/RS485 HAT Application Note: How to use DMX512/RDM 5 DIP Switch Settings The transmitting / receiving direction have to be controlled by GPIO18: SW1 SW2 1 OFF 1 OFF 2 ON 2 OFF 3 OFF 3 ON 4 ON 4 ON Depending of the position of the RS422/RS485 HAT in the DMX512 bus line you have to switch the terminating resistor ON or OFF. -
Power Supplies for Military Ground Vehicles P 18 P 26 Interview with Paul Hart, Chief Technology Officer (CTO) for Curtiss-Wright Defense Solutions
@military_cots McHale Mergers & safety critical market 5 Special Report GPS-denied environments 14 Mil Tech Trends ARM for hi-rel applications 22 Industry Spotlight Avionics display standards 34 MIL-EMBEDDED.COM Nov/Dec 2016 | Volume 12 | Number 8 Power supplies for military ground vehicles P 18 P 26 Interview with Paul Hart, chief technology officer (CTO) for Curtiss-Wright Defense Solutions Implementing FACE-conformant systems P 30 Embedded Solutions for the next 25 years Size = 70mm x 30mm Acromag Redefines SWaP-C with our New AcroPack® I/O Platform The AcroPack® product line updates our popular Industry Pack I/O modules by Weight = .05 oz. avg using the mPCIe interface format. We added 19mm and a 100 pin connector to provide up to 50 isolated rear I/O signals, giving you a tremendous amount of and capability on an Extremely Small Footprint - Without Cabling! Power = <5 watts per module Designed for COTS applications, these general purpose I/O modules deliver high-speed and high-resolution A/D and D/A, digital I/O, serial communication, - and re-configurable FPGA functions. Whether it’s server-based lab activities, flight Cost = Starting at $310 or ship-based test systems, if you are looking for that ever-shrinking form factor of I/O that allows you to get one step ahead, contact Acromag to discuss how AcroPacks can help you with tomorrow’s applications, today. Key Features Include: ▪ A/D, D/A, serial, digital I/O, counter/timers and FPGA ▪ Low-power consumption ▪ Solid-state electronics ▪ -40 to 85°C standard operating temperature -
System Reference
System Reference WUDQVWHFKQLN*PE+2KPVWUDH²'+RO]NLUFKHQ*HUPDQ\7HO)D[ ,QWHUQHWKWWSZZZWUDQVWHFKQLNFRPH0DLOLQIR#WUDQVWHFKQLNFRP Safari Reference 2 Safari Reference Safari Reference This is the main reference manual for the Safari system. It contains three different sections. • First, the General section with information on basic concepts such as windows and mouse. • Second, the Function Key reference with explanations to the different function keys of the Safari. • Third, the Function Reference with explanations to the editors, rename, patch etc. All sections are sorted alphabetically. + Note that some functions described are not available in all program versions. Other functions may require optional software packages. AVAB reserves the right to change the behaviour of the system without further notice. Document information transtechnik ident no.: 19435 Title/content: System Reference Safari VLC lighting control software Language: english Document revision: 2.5 created with: MS-Word 7/97/2000 Paper Size: DIN-A4 Document history Document Date Comment Software Author revision version previous Original document Ekvall 2.0 30-May-99 Complete revision and reformatting of the 1.82 nio original AVAB document 2.1 13-Apr-00 Page 2: Document information added, page 1.82 nio 32 added 2.5 30-Jan-01 Update to software version 2.0. All the new 2.0 -ll text passages are marked with a hint to software version 2.0. Double-page layout. © 1998 to 2001 transtechnik GmbH All rights reserved. No part of this manual may be reproduced or copied in any form without -
DMX512A App. Note
AN1659 DMX512A The data packet is retransmitted continuously, which Author: Michael Pearce helps correct any data glitches. If no packet has been Microchip Technology Inc. transmitted within one second, then most receivers will switch to a default setting or to an Off mode. The maximum refresh rate for 512 channels is 44 updates INTRODUCTION per second, which allows for nice dimming with little or no visible flicker on incandescent bulbs. LEDs may This application note presents an overview of require smart control to smooth out fading. DMX512A. It shows and explains the recommended electrical and electronic requirements, then presents how the protocol was implemented in the Microchip DMX512 TERMINOLOGY Technology DMX512 Library. Included is a discussion - Controller: This is the device transmitting the on using the back-channel capabilities. DMX512 data DMX512 is the most common lighting communications - Receiver: This is the device that receives protocol used in theatrical lighting, and is often found in and processes the DMX512 data architectural and other lighting systems. It was created - Universe: Group of up to 512 channels run in 1986 by the United States Institute for Theatrical from a single controller Technology (USITT) to be a more reliable replacement for the 0 to 10V standard, which was commonly used at - Terminator: 120 resistor at the end of the the time. In 1998, it was taken over by the data bus between D+ and D- Entertainment Services and Technology Association - Packet: A BREAK, Mark After Break (MAB), (ESTA). It became DMX512A in 1998, and was revised START, and the following 512 data slots in 2008. -
High-Speed Datalink Connectors and Cables for Ethernet-Grade Protocols
High-Speed Datalink Connectors and Cables for Ethernet-Grade Protocols Preface: Essential Science and Specifications for High-Speed Datalink Protocols Key information and vocabulary for electrical wire interconnect system engineers designing for high-speed applications Preface: Bandwidth vs. Data Rate (Bits vs. Hertz) . Data Rate: The number of BITS transmitted per unit time. This includes data compression via specialized integrated circuits . Bandwidth: Frequency of the carrier wave Preface: USB 3.1 (Gen 2) vs. 10G-BaseT Ethernet Interconnect selection depends on protocol specifications USB 3.1 10G Ethernet . Data Rate: 10 Gb/s . Data rate: 10 Gb/s . Simplex communication for . Full duplex over 4 pairs. transmit / receive . Up to 500 MHz of bandwidth, . Up to 7.5 GHz bandwidth, 100 ohm 90 ohm . 100 m typical max length, . 5 m typical max length, point-to-point link 6 mated pairs . Powered . Unpowered Preface: Common Ethernet and other High-Speed Signal Protocols Ethernet Mil/Aero Data Bus Peripherals/Display/Video . 10-BaseT . MIL-STD-1553 . USB 2.0/3.0 and SATA . 100-BaseT . CANBUS . DVI/HDMI/Displayport . SMPTE HD/3G-SDI . 1000-BaseT . MIL-STD-1760 . ARINC 818 Video . 10G-BaseT . ARINC-429 . Serial Rapid I/O (sRIO) . IEEE-1394 (Firewire) . FiberChannel . ARINC-664 . PCI Express (PCIe) . Aurora (Xilinx serial I/O) . SGMII / XGMII . Serialized 1 & 10GB Ethernet Preface: Data Protocols: Bandwidth and Distance DVI, HDMI HD/3G-SDI log log Preface: Copper vs. Fiber: Bandwidth and Distance log log Preface: Why is Ethernet so Prevalent? . Ethernet permits lots of data to be efficiently moved (low-bandwidth) over copper cabling .