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Summary of Contents for Measurement Computing ATA-2001
- Page 1 Operation Manual ATA-2001 LVDT/RVDT Signal Conditioner Operation Manual ATA-2001 LVDT/RVDT Signal Conditioner Measurement Specialties Inc. www.meas-spec.com phone: +1-800-745-8008 1000 Lucas Way, Hampton, VA 23666, United States 1 of 17 fax: +1-757-766-4297 Rev. 3 / July 2015...
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Page 2: Table Of Contents
Operation Manual ATA-2001 LVDT/RVDT Signal Conditioner Table of Contents Introduction Product Specifications Controls, Adjustments and Indicators Front Panel Keypad Controls Rear Panel Wiring Instructions Transducer Wiring & Schematics Output Wiring & Schematics Master/Slave Operation and Wiring Setup and Calibration Preliminary Setup... -
Page 3: Introduction
ATA-2001 LVDT/RVDT Signal Conditioner 1 Introduction The ATA-2001 is a general purpose, AC line powered, LVDT/RVDT analog signal conditioner with digital setup and calibration. The embedded microprocessor generates a PWM-shaped sine wave (oscillator for transducer excitation) and handles all calibration functions. It also controls the demodulation, filtration and synchronization of the LVDT or RVDT transducer signal. - Page 4 Operation Manual ATA-2001 LVDT/RVDT Signal Conditioner ELECTRICAL SPECIFICATIONS Line power requirements 115VAC ±10%, 50-400Hz; 220VAC ±10%, 50-400Hz (switch selectable) Line voltage regulation ±10%, with no change in output Voltage output Unipolar voltage output range 0 to 10VDC, with 10mA maximum current capability Bipolar voltage output range ±10VDC (using 100% zero suppression), with 10mA maximum current capability...
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Page 5: Controls, Adjustments And Indicators
3 Controls, Adjustments and Indicators 3.1 Front Panel The ATA-2001 combined control and indicator panel is manufactured from a polyester membrane assembly with an integral RFI/ESD layer screened onto the rear of the outer surface. All push button controls are provided with tactile feedback for maximum operator interface. The operator is assured verification of control inputs through a system of red and green LED indicator signals. -
Page 6: Rear Panel
Operation Manual ATA-2001 LVDT/RVDT Signal Conditioner 3.3 Rear Panel All remaining ATA-2001 controls are found on the rear panel using the DIP switch set labeled S1. The following table explains the switch positions and functions: Oscillator Function: Gain Oscillator frequency... - Page 7 Operation Manual ATA-2001 LVDT/RVDT Signal Conditioner Measurement Specialties Inc. www.meas-spec.com phone: +1-800-745-8008 1000 Lucas Way, Hampton, VA 23666, United States 7 of 17 fax: +1-757-766-4297 Rev. 3 / July 2015...
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Page 8: Output Wiring & Schematics
4 to 20mA internal loop power: Used when no external loop power supply is available. The internal power supply of the ATA-2001 provides the voltage (18VDC) necessary for the current loop. This feature should not be used with current receivers configured to supply loop power. - Page 9 Operation Manual ATA-2001 LVDT/RVDT Signal Conditioner Wiring details: P2 pin no. Function DC Voltage DC Voltage Current Current Case Ground Signal Common Loop Supply Loop Return for Shielding Measurement Specialties Inc. www.meas-spec.com phone: +1-800-745-8008 1000 Lucas Way, Hampton, VA 23666, United States...
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Page 10: Master/Slave Operation And Wiring
Failure to do this may result in low-frequency beat (heterodyning) of the ATA-2001 output signals due to crosstalk. Select one ATA-2001 as the master (S1 switch 4 in the OFF position) and the remaining as slaves (S1 switch 4 in ON position). Check the “Rear Panel” section in this manual for switch settings. -
Page 11: Setup And Calibration
Consult the transducer datasheet for specific transducer frequency recommendations. Verify all settings of DIP switch set S1 (Refer to the “Rear Panel” section of this manual). The ATA-2001 will calibrate for ±10 VDC output, using the default factory gain with transducers having Full Scale Outputs (FSO) ranging from 0.5 VRMS and up. -
Page 12: Time To Power Up
It is stated that Low gain requires a transducer with minimum FSO of O.5 VRMS to obtain a 10 VDC output from the ATA-2001. In Example 1, the FSO is 0.98 VMS which meets the Low gain requirement. In Example 2, the FSO is only 0.212 VRMS, therefore High gain is required. - Page 13 Calibrating for bipolar voltage output (±10VDC at transducer full scale): 1. Disconnect the LVDT from the ATA-2001. After proper warm up, connect a digital volt meter to the P2 connector, between Pins 1 and 2. Pin 1 is DC voltage signal out (+), and Pin 2 is signal common (–).
- Page 14 Calibrating for current (4 to 20mA) using the internal loop power supply: 1. Disconnect the LVDT from the ATA-2001. After proper warm up, connect a digital current meter or receiver to the P2 connector, Pins 3 and 4. Pin 3 is the current loop output (loop supply) and Pin 4 is the current loop return.
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Page 15: Mounting Instructions
Operation Manual ATA-2001 LVDT/RVDT Signal Conditioner 6 Mounting Instructions 6.1 Cutout The ATA 2001 is designed to be mounted in a 1/8 DIN standard panel cutout. The dimensions for the installation opening are: 3.622 +0.032/-0.000 inch (92 +0.81/-0.00mm) wide, by 1.772 +0.024/-0.000 inch (45.01 +0.61/-0.00mm) high. -
Page 16: Dimensions, Rack Adapter (Sold Separately)
Operation Manual ATA-2001 LVDT/RVDT Signal Conditioner 8 Dimensions, Rack Adapter (Sold Separately) Accommodates up to eight ATA-2001 Amplifiers Dimensions are in inch (mm) Measurement Specialties Inc. www.meas-spec.com phone: +1-800-745-8008 1000 Lucas Way, Hampton, VA 23666, United States 16 of 17 fax: +1-757-766-4297 Rev. -
Page 17: Additional Information
Operation Manual ATA-2001 LVDT/RVDT Signal Conditioner 9 Additional Information Measurement Specialties, Inc. (MEAS) offers many other types of sensors and signal conditioners. Data sheets can be downloaded from our web site at: http://www.meas-spec.com/datasheets.aspx MEAS acquired Schaevitz Sensors and the Schaevitz trademark in 2000.
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