Related Manuals for Omega DP3001
Summary of Contents for Omega DP3001
- Page 1 User’ s Gui d e ROHS 2 COMPLIANT ™ ® http://www.omega.com e-mail: info@omega.com DP3001 DIGITAL PANEL VOLTMETER...
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Page 3: Table Of Contents
TABLE OF CONTENTS SAFETY CONSIDERATIONS ..................iii 1.0 GENERAL INFORMATION ..................1 2.0 SPECIFICATIONS ..................... 1 2.1 Analog Input ......................1 2.2 Reference Input for 3-Wire Ratio ................1 2.3 Noise Rejection ....................1 2.4 Accuracy at 25°C ....................2 2.5 Digital Inputs ...................... - Page 4 LIST OF FIGURES: Figure 3.1 DIN Case Dimensions .................. 4 Figure 3.2 Exploded View ....................5 Figure 4.1 Side View of Transformer ................6 Figure 4.2 Rear Terminal Hookups ................7 Figure 5.1 Display Board Jumper Locations ..............10 Figure 5.2 Main Board Jumper Locations ..............
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Page 5: Safety Considerations
SAFETY CONSIDERATIONS This device is marked with the international Caution symbol. It is important to read this manual before installing or commissioning this device as it contains important information relating to Safety and EMC (Electromagnetic Compatibility). Unpacking & Inspection Unpack the instrument and inspect for obvious shipping damage. Do not attempt to operate the unit if damage is found. -
Page 7: General Information
GENERAL INFORMATION This voltmeter is a 4 1/2 digit panel meter for applications which require a compact, quality DC voltmeter. This model uses dual-slope conversion. Additionally, it provides automatic zeroing before each reading and does so with a minimum of parts for increased reliability. The voltmeter has a resolution of 1 part in ±19999 counts. -
Page 8: Accuracy At 25°C
ACCURACY AT 25°C Maximum error ±0.01% of reading ±2 counts Span tempco ±0.01% of reading/°C Step response 1 second Warm-up to rated accuracy 10 minutes 2.5 DIGITAL INPUTS Positive true referenced to DIG GND Input Logical 0 Logical 1 Sink Source HOLD 0 to 0.8 V... -
Page 9: Mechanical
2.10 MECHANICAL Bezel 96 x 48 x 5.1 mm (3.78 x 1.89 x 0.20 in) Depth behind bezel 104 mm (4.09 in) (with connector) Panel cutout 92 x 45 mm (3.62 x 1.77 in) Weight 400 g (14 oz) Case material 94V-0 UL-rated polycarbonate D1 connector option PCB edge connector with a double row of... -
Page 10: Panel Mounting
I.D. LABEL CASE, TOP SLIDE SCREW (2) SLIDE CLAMP (2) PARALLEL BCD OUTPUT BOARD (F2N OPTION) SLIDE RETAINER (2) TERMINAL BLOCK COVER SIGNAL INPUT POWER INPUT LENS MAIN BOARD SPAN ADJUST CASE, BOTTOM Figure 3.2 Exploded View PANEL MOUNTING 1. Remove main board connector J1, if installed. Loosen the two clamp screws (with a #8 Phillips screwdriver) on the rear of case and rotate the slide clamps. -
Page 11: Power & Signal
POWER AND SIGNAL AC versions of the voltmeter are factory-set for 115 Vac in the USA and 230 Vac in Europe (using C1 option) ±15% operation. DC versions are preset for 9-32 Vdc or 26-56 Vdc operation. It is not possible to change the meter from 9-32 Vdc to 26-56 Vdc or vice versa. -
Page 12: Figure 4.2 Rear Terminal Hookups
(D4) (D1) Figure 4.2 Rear Terminal Hookups Model Power Signal High High D1 Connector Earth Ground Analog Ground High High D4 Connector Earth Ground Analog Ground + DC High D1 Connector - DC (return) Analog Ground + DC High D4 Connector - DC (return) Analog Ground Wire Color for AC Power... -
Page 13: Main Board Pin Assignments
MAIN BOARD PIN ASSIGNMENTS (J1 Card Edge) Left to right, looking at rear of case P1 Connection Standard Spare (E16) No connection No connection Spare (E18) Spare (E19) No connection No connection No connection Spare (E43) No connection 1999.9 (DP4) Spare (E24) 199.99 (DP3) Spare (E23) -
Page 14: Signal Inputs
SIGNAL INPUTS RATIO: The reference input allows an external voltage to be used as the reference source for conversion. In this mode, the meter reads the ratio of the signal voltage to the reference voltage rather than the true value of the input. Signal Voltage Reading in Counts = x 10000... -
Page 15: Configuration
CONFIGURATION Select the desired configurations from the following charts. Install jumpers and open/close solder switches as indicated. Remove all push-on jumpers not used. DECIMAL POINT SELECTION Figure 5.1 Display Board Jumper Locations Alternate decimal point configuration Decimal Point using main board connector J1. 1.9999 Connect K to L 19.999... -
Page 16: Voltage Range Selection
VOLTAGE RANGE SELECTION Figure 5.2 Main Board Jumper Locations Solder Switches* Push-on Jumpers Wire Jumper Input Configuration Open Close 2 Vdc J, L H, I, K Install 20 Vdc J, L H, I, K Remove 200 Vdc J, L H, I, K Remove *Refer to Figure 5.3. -
Page 17: Calibration
Figure 5.3 Solder Switch Locations Solder switch F is used for reference input impedance ratio. Refer to Section 4 for more information. CALIBRATION This unit was factory-calibrated with a precision voltage source. Frequent calibration is not necessary due to the stability and internal accuracy. If calibration is needed, use the following procedure. -
Page 18: 7.0 Drawings
7.0 DRAWINGS Figure 7.1 Assembly Diagram, Main and Display Board... -
Page 19: Dual-Slope Conversion
DUAL-SLOPE CONVERSION At the beginning of a conversion, the voltage across C is zero. The signal is then applied to the integrator and the voltage across C rises by the formula: = Esig R Cint At the end of a fixed period of 10000 counts, T1, the counters are reset to 00000. The signal input is turned off and a stable reference voltage of the opposite polarity is now applied to the input. - Page 20 NOTES ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________...
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- Page 23 WARRANTY/DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of one (1) year from the date of purchase. In addition to OMEGA’s standard warranty period, OMEGA Engineering will extend the warranty period for one (1) additional year if the warranty card enclosed with each instrument is returned to OMEGA.
- Page 24 Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course! Shop on line at omega.com TEMPERATURE R Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies R Wire: Thermocouple, RTD & Thermistor R Calibrators & Ice Point References R Recorders, Controllers &...