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Cooper Bussmann DCM 433 manual

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Table of contents for the manual

  • Page 1

    DCM 433 CURRENT BRIDGE AMPLIFIER USER’S GU IDE www.cooperinstrument s.com PH: 540-349-4746 • FAX: 540-347-4755[...]

  • Page 2

    CF 26 2 4/2001 Description The Model DCM 433 is a self-contained, AC powered sign al conditioner for bridge type instrumentation. It contains a precision instrumentation amplifier with isolated, filtered output and a highly regulated, low noise, adj ustable output bridge excitation source. The unit is completely encapsulate d for use in rugged envi[...]

  • Page 3

    CF 26 3 4/2001 Specifications NOTE: Unless otherwise noted, specifications appl y after one hour wa rm up at 25°C ambient. Temperature coefficients apply between 0°C an d 55°C ambient. Isolation Input to Output 700 VDC 60pF Amplifier Gain Adjustment Range Input 4-20mA Output 5 mV to 50 mV Linearity ±0.01% of Full Scale Temperature Stability 50 [...]

  • Page 4

    CF 26 4 4/2001 Getting Started with the DCM 433 1. Excitation Supply. If remote sensing is not used, connect +Sense to +Excitation, terminal 3 to 4, and co nnect -Sense to -Excitation, terminal 1 to 2. 2. Apply power to the DCM 433 and adjust the Excitation su pply. Turn SWB-1 “ON” for a fixed 10 Volts. This will set the supply to 10.2 ±2.5% a[...]

  • Page 5

    CF 26 5 4/2001 Transducer Excitation The bridge excitation supply voltage is set by SWB-1 and pote n tiometer E. Set SWB-1 ON for a fixed 10 Volts. This will provide the best temperature stability. The sup ply can be adjusted between 5 and 10 Volts by setting SWB-1 OFF and adjusting potentiometer E. The supply will de liver up to 120mA current at a[...]

  • Page 6

    CF 26 6 4/2001 Mechanical Specifications Terminal Strip Assignments Screw Terminal Function Screw Terminal Function 1 -SENSE 6 AC 2 -EXCITATION 7 +SIGNAL 3 +SENSE 8 -SIGNAL 4 +EXCITATION 9 OUTPUT 5 AC 10 RETURN Warranty Repair Policy Limited Warranty on Products Any Cooper Instruments produ ct which, under normal operatin g co nditions, proves defe[...]

  • Page 7

    CF 26 7 4/2001 normal usage, has an inherently shorter useful life than one year. The replacement warranty detailed here is the buyer’s exclusive remedy, and will satisf y all obligations of Cooper whether based on contra ct, negligence, or otherwise. Cooper is not responsible for any incid ental or consequential loss or damage whic h might resul[...]