sensor solutions /// LDM-1000 rev 8 1/2016 page 1 features ? standard din rail form factor ? voltage and current output signals ? phase correction ? status leds for power and loop integrity ? multiple lvdt master/slave capability applications ? gas and steam turbine control systems ? process control systems ? reeler/dereeler control systems ? automotive test track instrumentation ? paper head box control ldm- 1000 lvdt/rvdt signal conditioning module specifications ? 10 to 30vdc operation ? standard din rail form factor ? 4 to 20ma and vdc outputs ? zero, span and phase adjustable ? 2.5, 5 and 10khz excitation frequencies ? low noise, 3-pole butterworth filter ? master/slave capability ? compatible with 4, 5 & 6-wire lvdts/rvdts ? works with very low input impedance lvdts and rvdts the ldm- 1000 is an extremely versatile and popular lvdt/rvdt signal conditioning module and the perfect choice for industrial applications requiring the din standard rail mount. the LDM-1000 provides everything you will need for accurately interfacing an ac operated linear or rotary variable differential transformer to your industrial position control system. the LDM-1000 was designed with maximum sensor/system compatibility in mind. a wide range of gains, excitation voltages and frequencies ensure compatibility with virtually all lvdt and rvdt type transducers. a full-wave synchronous demodulator eliminates quadrature and harmonics to maximize external noise rejection. the LDM-1000 also provides several different input/output options to accommodate varying plc and analog i/o requirements: ? single-ended voltage outputs with the use of 100% zero suppression to maximize the sensor stroke utilization while simplifying programming (no need to deal with sign) ? bipolar voltage output to maximize a/d bit usage with most plc analog input modules, for applications requiring high resolution ? 4-20ma current output for applications requiring long signal runs or where noise immunity may be an issue. the 4-20ma loop is driven by an internal power supply, provided by the LDM-1000. finally, the frequency response is internally selectable and so is the master/slave function which allows synchronization of multiple LDM-1000 modules to prevent beat frequencies and cross talk between transducers.
LDM-1000 lvdt/rvdt signal conditioning module sensor solutions /// LDM-1000 rev 8 1/2016 page 2 performance specifications electrical specifications supply voltage 18 to 30vdc or 10 to 18vdc (jumper selectable, 18 to 30vdc as shipped) supply current 65ma maximum output types and ranges 5vdc, 0 to 5vdc, 0 to 10vdc, and 4 to 20ma (dip switch selectable, 5vdc as shipped) temp. coefficient of output 0.02% of fso per f [ 0.036% of fso per c] over the operating temperature range voltage output noise & ripple 5mv rms maximum current output noise & ripple 25a rms maximum current loop resistance 700? maximum (with 18 to 30vdc supply voltage) frequency response 250 or 1000hz @ -3 db (3 -pole butterworth, dip switch selectable, 250hz as shipped ) non-linearity 0.02% of fso input sensitivity range 0.05 to 2.50 vrms transducer excitation voltage 1 or 3 vrms (dip switch selectable; 3vrms as shipped, with 18 to 30vdc supply voltage only) current 25ma rms frequency 2.5, 5 or 10khz (dip switch selectable, 2.5khz as shipped) transducer requirements transducer type lvdt or rvdt with 4, 5 or 6 electrical connections lvdt/rvdt input impedance 50? minimum @ 1 vrms excitation ; 150? minimum @ 3 vrms lvdt/rvdt full scale output 0.05 to 2.50 vrms environmental and mechanical specifications operating temperature range -13f to +185f [-25c to 85c] storage temperature range -67f to +257f [-55c to 125c] mounting standard din-3 rail mount size 3.90 [99.0] high x 0.89 [22.5] wide x 4.51 [114.5] deep wire terminal size 24 to 12 awg [0.2 to 2.5mm] iec 60529 rating ip60 notes: all values are nominal unless otherwise noted dimensions are in inch [mm] fso (full scale output) is the largest absolute value of the outputs mea sured at the range ends
LDM-1000 lvdt/rvdt signal conditioning module sensor solutions /// LDM-1000 rev 8 1/2016 page 3 dimensions and internal view dimensions are in inch [mm] ordering information description part number LDM-1000 signal conditioning module 02291333- 000 dc power supply (15vdc), model psd 40- 15 02291339- 000 cable to connect hca/hci/gca/r36as to LDM-1000, 200c [392f] ( pto6a- 10 -6s to stripped/tinned) (1) 04290595- 000 extension cable to connect lbb (option -001) to ldm- 1000 (pto6a- 10 -6s to stripped & tinned) (1) 04290596- 000 (1) all cables are shielded, 10 foot long, and rated 80c [176f] op erating unless otherwise noted. consult factory for other lengths. te.com/sensorsolutions measurement specialties, inc., a te connectivity company. accustar, american sensor technologies, ast, atexis, deutsch, identical , trublue, kpsi, krystal bond, microfused, ultrastable, measuremen t specialties, meas, schaevitz, te connectivity, te, and the te connectivity (logo) are trademarks of the te connectivity ltd. family of companies. other logos, produ ct and company names mentioned herein may be trademarks of their respective owners. the information given herein, including drawings, illustrations an d schematics which are intended for illustration purposes only, is believe d to be reliable. however, te connectivity makes no warranties as to its accuracy or completeness and disclaims a ny liability in connection with its use. te connectivitys obligation s shall only be as set forth in te connectivitys standard terms and conditions of sale for this product and in no case will t e connectivity be liable for any incidental, indirect or conseque ntial damages arising out of the sale, resale, use or misuse of the product. users of te connectivity products should make their own evaluat ion to determine the suitability of each such product for the specific ap plication. ? 2015 te connectivity ltd. family of companies all rights reserved. north america measurement specialties, inc., a te connectivity company 1000 lucas way hampton, va 23666 united states phone: +1-800-745-8008 fax: +1-757-766-4297 email: sales@meas-spec.com europe meas deutschland gmbh (europe) a te connectivity company hauert 13 d-44227 dortmund germany phone: +49-(0)231-9740-0 fax: +49-(0)231-9740- 20 email: info.de@meas-spec.com asia measurement specialties (china), ltd., a te connectivity company no. 26 langshan road shenzhen high-tech park (north) nanshan district, shenzhen 518057 china phone: +86-755-33305088 fax: +86-755-33305099 email: info.cn@meas-spec.com
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