Loop
See Also: Current Loops, HIL, Loop Testers
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Product
Passive FTTx
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Shenzhen Wiitek Technology Co.,Ltd
Fiber to the x (FTTX; also spelled "fibre") or fiber in the loop is a generic term for any broadband network architecture using optical fiber to provide all or part of the local loop used for last mile telecommunications. As fiber optic cables are able to carry much more data than copper cables, especially over long distances, copper telephone networks built in the 20th century are being replaced by fiber.
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Product
PXI-7841, Virtex-5 LX30 FPGA, 200 kS/s PXI Multifunction Reconfigurable I/O Module
780337-01
Multifunction Reconfigurable I/O
Virtex-5 LX30 FPGA, 200 kS/s PXI Multifunction Reconfigurable I/O Module—The PXI‑7841 features a user-programmable FPGA for high-performance onboard processing and direct control over I/O signals to ensure complete flexibility of system timing and synchronization. You can customize these devices with the LabVIEW FPGA Module to develop applications requiring precise timing and control such as hardware‑in‑the‑loop testing, custom protocol communication, sensor simulation, and high-speed control. The PXI‑7841 features a dedicated A/D converter (ADC) per channel for independent timing and triggering. This design offers specialized functionality such as multirate sampling and individual channel triggering, which are outside the capabilities of typical data acquisition hardware.
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Product
Doppler Radar Target Simulators
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Automotive radar sensors play a vital role in the current development of autonomous driving. Their ability to detect objects even under adverse conditions makes them indispensable for environment-sensing tasks in autonomous vehicles. As their functional operation must be validated in-place, a fully integrated test system is required. Radar Target Simulators (RTS) are capable of executing end-of-line, over-the-air validation tests by looping back a received and afterward modified radar signal and have been incorporated into existing Vehicle-in-the-Loop (ViL) test beds before. However, the currently available ViL test beds and the RTS systems that they consist of lack the ability to generate authentic radar echoes with respect to their complexity. The paper at hand reviews the current development stage of the research as well as commercial ViL and RTS systems. Furthermore, the concept and implementation of a new test setup for the rapid prototyping and validation of ADAS functions is presented. This represents the first-ever integrated radar validation test system to comprise multiple angle-resolved radar target channels, each capable of generating multiple radar echoes. A measurement campaign that supports this claim has been conducted.
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Product
IEEE 1394b/AS5643 Mil1394 (FireWire), Triple-Node Multi-Port, Communications
FW3
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The FW3 function module provides IEEE 1394b/AS5643 (Mil1394) support on each of its three nodes, which are configured as 2 nodes with 3-ports and 1 node with 2-ports. AS5643 defined flight ready robustness and active transformer isolation to enable longer cable lengths (20 meter) between nodes. Together these standards provide the deterministic and redundant communications protocol required for Vehicle System (Flight Control) Networks. The FW3 multiple ports per node configuration allows the user to create tree, daisy-chain and looped topologies needed to optimize cable length and weight while creating redundancy.
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Product
Loop and Line Powered Level Switch
Safety IntelliPoint
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The Safety IntelliPoint level switch provides a capacitance probe level switch with either a current output or relay contacts and “On-Board” self-diagnostics to ensure reliability. This SIL Intellipoint conforms to SIL 2 specifications providing the ultimate in level switch integrity and level sensing elements for a wide variety of temperatures, pressures, and materials.
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Product
2-Port Serial Interface
APCI-7420-3
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*RS232, RS422, RS485, 20 mA Current Loop (active, passive) with or without optical isolation*Modular structure through MX-modules*With or without optical isolation*Mode configuration free for each port*128-byte FIFO-buffer common interrupt*Automatic direction recognition for RS485*Transmission mode: asynchronous, full, half duplex
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Product
Field Strength Meters
FIM-22 And FIM-41
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The Models FIM-22 and FIM-41 are portable field strength meters designed to provide precise, direct measurements of electro-magnetic fields in the 200 kHz to 5.0 MHz spectrum. These units include a receiver, integral shielded loop antenna, precision attenuator, internal calibration source, and battery power supply. With calibration accuracy traceable to the National Institute of Standards and Technology, the FIM-22 and FIM-41 meet the most exacting requirements of government and industry. Their hinged covers, on the rugged drawn aluminum cases, contain a loop antenna. Opening the cover to a vertical position connects the antenna terminals to the receiver via maintenance-free gold-plated contacts. An interlock switch prevents inadvertent battery discharge when the cover is closed.
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Product
Four Channel Arbitrary Waveform Generator 2.5GS/s 16Bit 1GS Mem 4CH 8 Markers AWG
P2584M
Waveform Generator
The Proteus P2584M, is a PXIe based, 2.5GS/s, four channel arbitrary waveform generator offering technologically advanced options and configurations such as, a dual channel 2.7GS/s digitizer with 9GHz bandwidth, to transform the instrument to an arbitrary waveform transceiver. The P2584M offers industry leading performance Including an innovative task oriented programming, real time data streaming, fast feedback loop for environment dependent waveform generation and user customizable FPGA for application specific solutions.
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Product
Toxic Gas Sensor
Model 100
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Teledyne Gas & Flame Detection
Model DM-100 Series sensors feature intelligent electronics, non-intrusive operator interface and comprehensive fault diagnostics. The sensor is packaged in an electro-polished 316 stainless steel housing fitted with a ¾ inch NPT thread. The plug-in, field replaceable sensor cell features large surface area gold-plated pins that reduce the effects of corrosion in harsh industrial environments. Signal conditioning electronics are completely encapsulated in the sensor housing adding a high level of durability to the design. The packaging is XP-intrinsically safe. This innovative design marks a return to a simple, more affordable, and durable gas detection sensor without compromising quality.Model DM-100 sensors provide a 2-wire loop powered 4-20 mA current signal equivalent to the sensor range of detection. Upper enclosure options are aluminum and stainless steel. Additional accessories include wireless communications, a loop powered digital display. Each sensor is shipped with a splash guard with integral calibration port. Detcon’s toxic gas sensors have a long shelf life and are supported by an industry-leading warranty.
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Product
Dissolved Carbon Dioxide (DI-CO2) Ultrapure Water Delivery System
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The DI-CO2 is used in single substrate cleaning tools for rinsing steps to prevent ESD effects and/or corrosion by creating UPW (ultrapure water) with precisely defined conductivity. It is a compact system for tool integration, providing conductive DI-CO2 water (Carbon Dioxide) with closed loop controlled conductivity. The conductivity is kept at a constant value under changing flow conditions by control of the CO2 concentration in the DI-CO2 water.
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Product
CompactPCI
CPCI-ADDA
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The CPCI-ADDA module offers a complete solution forhigh performance data acquisition applications. Boththe ADC’s and the DAC’s use 10 mS converters thatwill support up to 100khz signals. The CPCI-ADDAsupports P.I.D. loop closure frame rates of up to 4 KHzper channel. The CPCI host can download gain andsetpoint changes on the fly. The CPCI host can readback the current values for feedback, error, setpointand output drive on each channel. The local DSPprocessor can be used for data processing such asdigital filters and FFT’s. The DSP can also be used asa waveform generator to drive the 16 bit DAC.
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Product
ADC Drivers Fully Differential Amplifiers
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Differential amplifiers allow the process of single-ended input to complementary differential outputs or differential inputs to differential outputs. These amplifiers feature two separate feedback loops to control the differential and common-mode output voltages. Analog Devices fully differential amplifiers are configured with a VOCM pin, which can be easily adjusted for setting output common-mode voltage. This provides a convenient solution when interfacing with analog-to-digital converters (ADCs). ADI also offers a series of differential receiver products that convert differential input signals to single ended output.
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Product
Time Domain Replication (Road Load Simulation)
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The powerful graphical editor makes it easy to review and compile your field sample data for use in the test lab. The point editor, filters, velocity and displacement compensation ensure the test feasibility is evaluated at an early stage. The continuous closed-loop controller then replicates the test files with very high levels of precision. The control algorithms use a continuous coherence averaging technique to ensure a stable proactive control loop that will not only provide accurate replication but will also respond to changes in test item dynamics.
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Product
Multifunction Meter for Electrical Installations
AMPI-525
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*Short circuit loop measurement:*Impedance measurement with 23 A (44 A phase-to-phase), short circuit resistance RZW =10Ω*Measuring range: 95...440V, frequency 45...65 Hz*Short circuit loop measurement with resolution 0,01 Ω , without tripping the differential protections (I∆n ≥30mA)*Automatic short-circuit calculation, phase-neutral and phase-phase voltage detection
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Product
Fibre Channel XMC Interface Module
XMC-FC4
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Avionics Interface Technologies
Supports Point-to-Point, Switched Fabric, and Arbitrated Loop topologies - Two independent Fibre Channel ports - Two SFP sockets accept fiber or copper transceivers - Each port supports 1, 2, and 4 Gbps speeds - Supports DMA for high speed streaming of data to/from the board - Full Error Injection and Detection - IRIG-B Time Code Encoder/Decoder for Data Correlation - In-line Port Configuration for Transparent AnalyzerSupports multiple ULPs including FC-AE-ASM, FC-AE-RDMA, FC-AE-1553, and FC-AV - Compatible with AIT’s fcXplorer GUI Bus Analyzer Software
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Product
Panel-mounted Power Amplifier(Hardware In The Loop Simulation)
PA30Bi
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PA30Bi is the panel-mounted type real time simulation amplifier with three-phase current and four-phase voltage.
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Product
Pro-Stik II Level Sensor
7330
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The Drexelbrook 7330 Pro-Stik II Series are intrinsically safe programmable liniear position sensors ideal for monitoring in a variety of liquids and tanks.These position sensors are based on the proven magnetostrictive technology and are available in different models including our popular explosion proof and flame proof models. The 7330 Pro-Stik II position sensors are loop powered and available with a rigid 316 stainless steel or flexible PVDF materials.The probe features a security feature by utilizing a timing sequence that is used to unlock the probe for programming. This ensures that the span cannot be accidentally programmed by someone in the field.All of the sensor's electronics are SMT components integrated into the 5/8" diameter sensing tube offering greater options for insertion and mounting in tanks and vessels.
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Product
dB Meter
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The dB meter is used to determine the stability or fluctuations of the optical power over a large dynamic range with high accuracy and measurement speed. A fiber-coupled, power-stabilized 1.55µm laser diode is built into the device to enable simple and quick testing of passive fiber optic components or local fiber loops. Alternatively, light from external light sources in the wavelength range 780nm-1650nm can also be used.
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Product
PXI Analog Output/Current Loop Simulator Module - 16 Channel
41-765-001
Analog Output Module
The 41/43-765-001 is a PXI/PXIe 16-channel Analog Output Module designed to meet the requirements of industrial control applications utilizing current loops 4 – 20mA. It consists of up to four 16-bit, digital-to-analogue converters (DAC), capable of creating four current outputs each. Output current within 0mA - 4mA and 20mA - 24mA, give the ability to simulate error or extra signaling conditions. The ±24mA mode gives the ability to simulate either sourcing or sinking sensor.
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Product
Low Power Potentiostats
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Potentiostat Wenking MP 04T, max. current 400 mA, max. voltage 25 V, output power 10 W, reference electrode input 1012 Ohms, slew rate 10 V/ µs, 1 control input, floating current output, buffered potential output, control range ± 10 V external, internal control voltage source ±2 V, rise time constant (closed loop, ohmic load) 1 µs typ., dimensions 165 x 105 x 165 mm (w x h x d), weight 1.4 kg
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Product
Bench Digital Multimeter, 40000 Count, True RMS, Auto, Manual Range, 1 kV, 10 A, 4.75 Digit
72-1020
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This unit measures AC/DC voltage and current, resistance, capacitance, frequency, and temperature. It also provides diode and audible continuity test, as well as 4~20mA loop testing.
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Product
Micro-Ohmmeter and Loop Resistance Tester
LRT 6000
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LRT 6000: The right solution for impedance resistance measurement in compliance with all aircraft specifications on plane, helicopter, rocket, army vehicles for both production andmaintenance. It is a very easy-to-use and versatile instrument. Its ergonomics allow the user to use it either placed on the ground or across one's shoulder or chest. Awide back-lit LCDdisplay combinedwith an intuitive keyboard ensures simple and easy operation.
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Product
- RS-232 Opto Isolation Module
Model 268
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FEATURES: Total Electrical Isolation; Eliminates Noise Problems; Eliminates Ground Loops; Use for Data & Control; UL Components. The Model 268 Opto Isolation Module provides a communications link that has no electrical connections from one port to the other.
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Product
PXI-8517, 2-Port PXI FlexRay Interface Module
780689-02
FlexRay Interface
2-Port PXI FlexRay Interface Module—The PXI‑8517 is designed for developing FlexRay applications. As part of the NI‑XNET platform, the PXI‑8517 works well in applications requiring real-time, high-speed manipulation of hundreds of FlexRay frames and signals, such as hardware‑in‑the‑loop simulation, rapid control prototyping, bus monitoring, automation control, and more. The PXI‑8517 contains two fully functional FlexRay interfaces, allowing an individual ECU to be connected to the interface when other cold-start nodes are not available. You also can use the interfaces individually to connect two separate FlexRay networks while maintaining full performance on each interface.
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Product
Rotary Actuators
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A line of of products that combine a high rigidity hollow rotary table with a closed loop stepper motor and driver package. It retains the ease of use of a stepper motor, while also allowing for highly accurate positioning of large inertia loads.
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Product
500 HP Complete Bench Hydraulic Test Center With High Flow Supply
HTC-500-HFS
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The Hydraulic Test Center (HTC) is a versatile machine designed to test heavy-duty, off-highway hydraulic components. The 500 hp (373 kW) HTC Complete Bench is for the dealer that services components from a predominately larger machine size mix such as large mining machines and large excavators. The Complete Bench offers full functionality to test all types of pumps and motors including: transmissions, hydraulic motors, hydraulic cylinders, valve blocks, torque converters, open and closed loop pumps.
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Product
85W - Single Output
iCH Series
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*DOSA Compatible Footprint*4.5-14 Vdc Input*0.7-8.5 Vdc Output*Non-Isolated*Excellent Transient Response*No external loop tuning components needed
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Product
6.8 GHz Wideband Synthesizer with Integrated VCO
ADF4356
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The ADF4356 allows implementation of fractional-N or integer-N phase-locked loop (PLL) frequency synthesizers when used with an external loop filter and an external reference frequency. A series of frequency dividers at another frequency output permits operation from 53.125 MHz to 6800 MHz. The ADF4356 has an integrated VCO with a fundamental output frequency ranging from 3400 MHz to 6800 MHz. In addition, the VCO frequency is connected to divide by 1, 2, 4, 8, 16, 32, or 64 circuits that allow the user to generate RF output frequencies as low as 53.125 MHz. For applications that require isolation, the RF output stage can be muted. The mute function is both pin- and software-controllable.
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Product
Mid-Range Fiber Stretcher
PZ3
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The PZ3 is the mid-range member of our family of fiber stretchers. It is a fiber wound piezoelectric element for use in a wide range of optical interferometric measurement and sensing system applications. Typical uses include open loop demodulation, sensor simulation, variable optical delay, general purpose fiber interferometry and large angle modulation of interferometric phase.
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Product
Multifunction Installation Testers
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Shanghai Beha Electronics Co., Ltd.
Loop impedance and prospective short circuit current measurement• Line impedance and prospective short circuit current measurement• Earth loop resistance in TT-systems• Rotary field test• RCD measurements (contact voltage, trip time, trip current - ramp method)• RCD analysis for test of all RCD parameters • Low Ohm and continuity measurement • Insulation measurement up to 1000V (suitable for 690 V industrial mains systems)• Earth resistance measurement with probes and clamp adapters• Voltage and frequency measurement • Current measurement with clamp adapters(optional)• Power and energy measurements• Harmonics measurement for voltage and current upto the 21st harmonics
