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Table of Contents
Summary of Contents for STI AP5102 Series
- Page 1 TECHNICAL MANUAL SERIES AP5102 DIN-Rail Conditioner for LVDTs ISO 9001:2000 237 Commerce Drive • Amherst, NY 14228 • USA Tel: 716.250.1900 • Fax: 716.250.1909 Copyright © Stellar Technology Incorporated • All Rights Reserved Email: info@stellartech.com...
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Page 2: Table Of Contents
All other controls are internal including coarse gain and zero switches, a zero input switch and jumper links for master/slave setting and excitation frequency setting. The unit is suitable for use with the complete range of STI LVDT transducers. -
Page 3: Installation Instructions
INSTALLATION INSTRUCTIONS EMC Requirements For optimum EMC performance use shielded multi-core cables for connection to this instrument; the cable shield may be terminated by means of a short "pig-tail" and connected to the terminals marked: (a) Pin 5 – Transducer cable (b) Pin 15 –... -
Page 4: Connections General
Connections General 2.4 Internal Controls To access internal controls the front part of the AP5102 case needs to be removed. To do this, use a small screw driver to gently press in the clips behind terminal 1-4 and 13-16. At the same time pull forward the front of the case. -
Page 5: Transducer Connections (Lvdt And Half Bridge)
Transducer connections Most STI LVDT transducers also have a BLACK wire. This is not required with the AP5102 amplifier and should be insulated and left unconnected. If the above configuration does not give the required output phase (i.e. the output rises for outward transducer movement instead of falling);... -
Page 6: Controls
CONTROLS (For locations, see Figure 2) Voltage/Current Output Voltage output is available between pins 9 & 10 (common). Current output is available between pins 12 and 11 (common). Pins 10 and 11 are internally connected. Coarse Gain Selection Typically, transducer manufacturers' data sheets or calibration certificates will give a figure allowing the full-scale output to be calculated. -
Page 7: Zero Input
3.5 Zero Input SW2 toggle 6 which, when switched to ON, zero’s the signal, input voltage to the amplifier irrespective of transducer position. This enables a true amplifier zero to be realised. 3.6 Fine Zero (On front panel, labelled ZERO) A screwdriver-adjusted, 25-turn potentiometer allowing adjustment of output zero by ±1v to ±4v depending on Fine Gain setting. -
Page 8: Setting Up Procedures
SETTING UP PROCEDURES LVDT & Half Bridge (Differential Inductance) Transducers 4.1.1 Determine the transducer full scale output from the manufacturer's data sheet and set the Coarse Gain control as shown in Sections 3. 4.1.2 Connect the transducer to the 4-way connector as detailed in Section 2. Switch ON power and allow a 15-minute warm-up period (for maximum accuracy). -
Page 9: Specification
SPECIFICATION Supply 9 to 36 V DC 250 mA max (Isolated from output) Voltage Output ±10V into 2k ohm Current Output 4-20mA into 100/550 ohm max. Overload internally limited to 30mA max. Oscillator Output 1V rms. at 5kHz standard. 25mA maximum. 3Vrms and 3 kHz also available. -
Page 10: Warranty
WARRANTY: Stellar Technology warrants that its product shall be free from defective workmanship and/or material for a twelve month period from the date of shipment, provided that Stellar Technology’s obligation hereunder shall be limited to correcting any defective material FOB our factory. No allowance will be made for any expenses incurred for correcting any defective workmanship and/or material without written consent by Stellar Technology.
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