Loop
See Also: Current Loops, HIL, Loop Testers
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Product
Loop-Powered Transmitters and Drivers
4-20mA
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Loop-Powered Transmitters convert the output from proximity probes, seismic sensors, into a 4-20mA DC current, which is proportional to the input being measured. The transmitter converts the displacement or vibration signal to DC voltage and/or current for a DCS or PLC system. They control a 4-20mA current loop for a specified vibration range (ex. 0-5 mils peak-to-peak). The transmitters have a two-wire hook-up, powered solely by the loop current and have a power supply range of 15 to 36 volts.
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Product
Temperature Transmitter
T4111
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Transducer is designed for temperature measurement at C or F by means of an externaltemperature probe with Pt1000 sensor. Measured temperature is converted to linearized unified signal 4-20 mA. Measured values are displayed on LCD display. It is possible to switch OFF theLCD at all. Current loop has two-wire connection and requires power from evaluation device.
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Product
MIMO And MISO Controller
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Xcite Systems and MB Dynamics have teamed up to provide state of the art MIMO (Multiple Input and Multiple Output) testing control. The heart of the system is in the MB Millenium EAGLE controller which enables closed loop control of up to four (4) exciter heads. Applications include time history replication, random (PSD) vibration control and single-tone sine control.
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Product
Constant Pressure Dual Head Pump
ReaXus CP Class
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The high performance CP Class consists of dual-headed, positive displacement piston pumps with constant pressure control, covering a wide range of flows, with pressures up to 25,000 psi. Standard fluid path material is Stainless Steel. Other available features include Hastelloy fluid path with jacketed pump heads for temperature controlled processes.The CP Class pumps are widely used for Liquid Chromatography Column packing for 4.6 mm columns, as well as many process applications. The constant-pressure feedback loop automatically adjusts solvent flow to maintain constant system pressure and allows the user to select a wide range of process parameters, including desired pressure set point, ramp rate, and upper flow rate limit.The CP Class is available as standalone units, and also with the Teledyne SSI Column Packing System (called Pack-in-a-Box). Features include:20 mL packing reservoir assembly4.6 mm pre-column assemblyTwo (2) 4.6 mm x 150 mm columns10 gram bottle of C18 stationary phaseBracket assembly to mount packing reservoir to pumpQuick-set disk to allow full control of the packing process through a computerTubing, cables and other necessary fittings for connectionsWith 5 mL/min, 24 mL/min, and 100 mL/min versions, the CP Class will meet most Liquid Chromatography Column packing and process needs.
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Product
PCIe-7821, Kintex 7 FPGA, Digital Reconfigurable I/O Device
785359-01
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The PCIe‑7821 is a reconfigurable I/O (RIO) device that features a user-programmable FPGA for onboard processing and flexible I/O operation. With LabVIEW FPGA, you can individually configure the digital lines as inputs, outputs, counter/timers, PWM, encoder inputs, or specialized communication protocols. You can also program custom onboard decision making that executes with hardware-timed speed and reliability. Each line offers software-selectable logic levels. The PCIe‑7821 is well-suited for a wide variety of applications, such as high-speed waveform generation, sensor simulation, hardware‑in-‑the‑loop (HIL) test, bit error rate test, and other applications that require precise timing and control.
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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
Temperature compensated crystal oscillator
TCXO
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A TCXO (Temperature compensated crystal oscillator) is a crystal oscillator with a temperature-sensitive reactance circuit in its oscillation loop to compensate the frequency-temperature characteristics inherent to the crystal unit. Epson's are classified into two types. One is a Direct-Type TCXOwith a temperature compensation circuit built into the oscillation loop. The other is an Indirect-Type TCXO with a temperature compensation circuit outside the oscillation loop, in which the oscillation frequency is therefore indirectly controlled.
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Product
Loop Antennas
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A.H. Systems' designs, manufactures and delivers high performance Loop Antennas for a wide range of magnetic field testing. Whether used in a set to measure shielding effectiveness per MIL-STD 285 and NSA 65-6 or individually to satisfy specific requirements,
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Product
Loopworks Measure iOS App
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Loopworks is a unique suite of online and App-based tools and resources designed by Ampetronic to enable its customers to understand, specify and design Hearing Loop systems.
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Product
2.5GS/s 16Bit 2GS Mem 4CH 8 Markers AWG
P2584D
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The Proteus P2584D, is a 2.5GS/s, four channel arbitrary waveform generator packaged in a 4U, half 19” dedicated chassis, offering technologically advanced options and configurations that integrate the ability to transmit, receive and perform digital signal processing all in a single instrument. The P2584D 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
PCI-8511, 2-Port, Low‑Speed/Fault-Tolerant CAN Interface Device
780682-02
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The PCI‑8511 is a fault-tolerant controller area network (CAN) interface for developing applications with the NI‑XNET driver. The PCI‑8511 excels in applications requiring real-time, high-speed manipulation of hundreds of CAN frames and signals such as hardware‑in‑the‑loop simulation, rapid control prototyping, bus monitoring, automation control, and more. The NI‑XNET device‑driven DMA engine enables the onboard processor to move CAN frames and signals between the interface and the user program without CPU interrupts, minimizing message latency and freeing host processor time for processing complex models and applications.
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Product
NI-9266, 8-Channel C Series Current Output Module
785047-02
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8-Channel C Series Current Output Module - The NI‑9266 is ideal for interfacing and controlling industrial current-driven actuators. The module has built-in open-loop detection, which generates an interrupt in software when an open loop is detected as well as zeroing outputs to ensure safety and avoid driving actuators at system power on. The NI‑9266 includes channel‑to‑earth ground isolation for safety and noise immunity.
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Product
PXI/PXIe 1000Base-T1 Dual Multiplexer With Fault Insertion, Dual Channel
42-204-002
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The 40-204-002 (PXI) and 42-204-002 (PXIe) are dual channel differential multiplexers designed to simulate common faults on high-speed two wire communication interfaces such as 1000Base-T1. They are available with support for 1 or 2-channels of two wire serial interfaces. Each channel pair can be looped out to external equipment or the switches can be used simulate a channel open fault.
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Product
Standalone Terrestrial Solar Array Photovoltaic Simulator
TerraSAS (ETS Series)
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AMETEK Programmable Power, Inc.
For microgrids, energy storage, and inverter test applications, the TerraSAS™ series photovoltaic (PV) simulators are specifically designed to emulate the dynamic electrical behavior of a terrestrial PV solar array. They offer low output capacitance and high closed loop bandwidth to keep up with the advanced Maximum Power Point Tracking (MPPT) algorithms used in today’s grid-tied inverters. The Embedded TerraSAS (ETS) is a high performance solution in a small form factor that combines an agile power supply with an innovative I-V curve generator in a single standalone unit.
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Product
Composite 2×12 Video Distribution Amplifier 12VDC
VDA212RM-12
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Video Distribution Amplifiers (sometimes called a video splitter – not to be confused with a video split screen controller such as our PXD510E split screen controller) are typically used for connecting a camera or other video source to several monitors that do not have “looping” inputs. In this situation, each monitor has a permanent 75 ohm termination. With two non-looping monitors connected together, the line would be double loaded and result in a dim picture on each monitor. Using a Video Distribution Amplifier will solve this problem by driving each monitor individually at 100%.
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Product
Group3 controllers
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The Group3 controllers - the CNA and DNA - have a built-in PID algorithm, that allows them to perform local closed loop control. A controller, combined with a Group3 analog Hall probe forms a compact, inexpensive way to implement closed loop magnet control.
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Product
QAM And PCM Analyzers
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GAOTek provides a wide range of high performance and inexpensive QAM/PCM analyzers. Quadrature amplitude modulation (QAM) and pulse code modulation (PCM) analyzers are convenient instruments with top to bottom estimations and adaptable setups. Additionally, these devices have integrated functions of analog signal generators/receivers, BERT, signaling generators/receivers, selective level meters, ring generators/ identifications, dialers, DC loop circuits (ICT, OGT), balanced bridges and reflecting bridges into solitary instruments. These analyzers are ideal for installing and maintaining digital and analog networks.
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Product
PCIe-8510, 2- or 4-Port, PCIe Vehicle Multi-Protocol Interface Device
785325-01
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2- or 4-Port, PCIe Vehicle Multi-Protocol Interface Device—The PCIe‑8510 is a hardware-selectable controller area network (CAN) and/or local interconnect network (LIN) interface for developing applications with the NI‑XNET driver. The PCIe‑8510 excels in applications requiring real-time, high-speed manipulation of hundreds of CAN frames and signals, such as hardware‑in‑the‑loop simulation, rapid control prototyping, bus monitoring, automation control, and more. The NI‑XNET device-driven DMA engine enables the onboard processor to move CAN frames and signals between the interface and the user program without CPU interrupts, minimizing message latency and freeing host processor time for processing complex models and applications.
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Product
Analog & Digital I/O Modules
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USB analog and digital I/O modules are a complete family of data acquisition modules for use in process control systems. The analog input modules can measure process signals such as DC voltage, thermocouples, 4-20mA current loops, discrete contact closures.
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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
PXI-8513 , 2-Port, Software-Selectable PXI CAN Interface Module
780688-02
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2-Port, Software-Selectable PXI CAN Interface Module—The PXI‑8513 is a software-selectable Controller Area Network (CAN) interface for developing applications with the NI‑XNET driver. NI‑XNET Software‑Selectable CAN Interfaces offer the best flexibility for CAN development with onboard transceivers for High-Speed/Flexible Data‑rate, Low-Speed/Fault Tolerant Single Wire CAN as well as any external transceiver. The PXI‑8513 excels in applications requiring real-time, high-speed manipulation of hundreds of CAN frames and signals, such as hardware‑in‑the‑loop simulation, rapid control prototyping, bus monitoring, automation control, and more. The NI‑XNET device-driven DMA engine enables the onboard processor to move CAN frames and signals between the interface and the user program without CPU interrupts.
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Product
Short Circuit Loop Impedance Meter
AMZC-305
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Loop impedance measurement with resolution 0,01Ω ; Loop impedance measurement without tripping the circuit breaker > 30mA with resolution 0,01Ω (100...440V) ; Measurements possible in installations 110/190V, 115/200V, 127/220V, 220/380V, 230/400V, 240/415V, 290/500V and 400/690V (range 100...750V)
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Product
Multi-Loops Power Meter
EVA-P228
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6 loops for main circuits; 24 loops for branch circuits.Flexible phase wire connection. 1P2W/1P3W/3P3WDIN Rail mounting achieves space savingFront display with buttons for on-site operation2x DI, 4x Relay Output
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Product
Gas & Flame Detection System
Syntel
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Teledyne Gas & Flame Detection
Syntel is an addressable loop system suitable for use in zone 1 and 2 hazardous areas. The complete addressable loo is fault tolerant operating normally with a short or open circuit. Syntel does not have a CPU, so there is no common failure point. It includes a standard OPC interface and can also be supplied by Modbus allowing easy integration with third party systems.Syntel stores alarm and calibration information in distributed non-volatile memory, hence there is no reliance on a centralized system.Syntel is ideal for installations where there is the possibility for future expansion. The system architecture allows very low cost expansion as cable runs to a central location are not needed.
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Product
48 Ω HMM Pulse Force Probe
PHD-HMM-48-1
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High Power Pulse Instruments GmbH
*High current wafer-level and package-level 98 Ω HMM probing with grounded DUT*Built-in high surge 48 Ω pulse reflection suppression resistor up to 80 A peak*Fast rise time < 0.5 ns due to low inductance GND loop*Variable pitch from 50 µm to 5 mm*Tungsten replacement probe tips*SMA pulse force pigtail*Compatible to PHD-3001A interface*High reliability
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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
LoadLooker Ammeter
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Instead of you manipulating a hinged or clamp-type inductive pick-up, the patented LoadLooker electronically closes the loop for you. Its unique U-shape jaw senses the amperage present between its tines.
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Product
ACDC
EA Series
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The EA Series of line operated power supplies features near constant efficiency over theentire rated input voltage range. These electrically identical families employ a highly efficient, closed loop ripple regulation circuit, which contains a low pass filter. Each stage, transformer, filter and regulator is engineered for maximum efficiency.
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Product
Closed Loop Hall Effect Current Sensors/Transducers
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ChenYang Technologies GmbH & Co. KG
This Hall Effect current sensor is based on closed loop compensating principle and can be used for measurement of DC and AC current, pulse currents etc. The output of the transducer reflects the real wave of the current carrying conductor
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Product
Flight Control System Test Platform
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The Flight Control System Test Platform provides a hardware in-the-loop (HIL) closed-loop test environment for dynamic and maintenance testing of Flight Control Systems (FCS) of both commercial and military aircraft. The system simulates control surface activities from multiple combinations of rudder, flaps, elevator, aileron, and engine controls to the FCS. The system delivers repeatable, cost-effective testing in a fraction of the time needed with typical in-house simulation test systems.
