Related Manuals for Omega DP20
Summary of Contents for Omega DP20
- Page 1 User’s Guide Shop online at omega.com e-mail: info@omega.com For latest product manuals: www.omegamanual.info DP20 Economical Multisignal Meter for Process, Temperatures and Electrical signals...
- Page 2 Fax: (203) 359-7700 e-mail: info@omega.com For Other Locations Visit omega.com/worldwide The information contained in this document is believed to be correct, but OMEGA accepts no liability for any errors it contains, and reserves the right to alter specifications without notice.
- Page 3 Department will issue an Authorized Return (AR) number immediately upon phone or written request. Upon examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced at no charge. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser, including but not limited to mishandling, improper interfacing, operation outside of design limits, improper repair, or unauthorized modification.
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Page 4: Table Of Contents
Index 1. Panel meter DP20 ......4 1.28 Messages and errors ..... 17 1.1 How to order . -
Page 5: Front View
DP20 Economical Multisignal meter Instruction Manual 1.2 Front view 1.5 Signal connections Signals up to 600 V and 200 V (AC and DC) must be connected at Alarm 1 Alarm 2 terminals 1 and 4. Signals for 5 A current (AC and DC) must be connected at terminals 3 and 4. -
Page 6: Technical Specifications
DP20 Economical Multisignal Meter Instruction Manual 1.8 Technical specifications Digits number of digits Functions included Section 7 segments led Fast access to alarm setpoints, 1.19 color maximum and minimum height 14 mm Reading External control second scaling 1.23 max. reading 9999 decimal point 0, 1, 2 or min. -
Page 7: Internal Jumpers
DP20 Economical Multisignal meter Instruction Manual 1.9 Internal jumpers Internal jumpers ‘S’ are associated to the signal range. The position of Range Jumpers Jumper Range Jumpers Jumper internal jumper ‘T’ assigns the function of the multifunction terminal ‘S’ ‘T’ ‘S’... -
Page 8: Measuring Ac Voltages And Ac Currents
DP20 Economical Multisignal Meter Instruction Manual 1.10 Measuring AC voltages and AC currents • AC signal ranges See below a list of typical connections : The instrument accepts the measure of AC voltages and currents, with ranges from 60 mVac up to 600 Vac, •... -
Page 9: Measuring Dc Voltages And Dc Currents
DP20 Economical Multisignal meter Instruction Manual 1.11 Measuring DC voltages and DC currents • Measuring DC signal ranges See below a list of typical connections : The instrument accepts the measure of DC voltages and currents, with ranges from 60 mVdc up to 600 Vdc, •... -
Page 10: Measuring Thermocouples
DP20 Economical Multisignal Meter Instruction Manual 1.12 Measuring thermocouples • Thermocouples accepted • Compensated cable instrument accepts direct connection To correctly measure a thermocouple signal, always use compensated thermocouples type K, J, E, N, L, R, S, B, T and C. -
Page 11: Measuring With Pt And Ni Probes
DP20 Economical Multisignal meter Instruction Manual 1.13 Measuring with Pt and Ni probes • Accepted Pt and Ni probes • Terminal 5 ‘multifunction’ - ‘Pt100 3 wire’ or ‘External control’ The instrument accepts connection of Pt100, Pt500 and To configure for 3 wire Pt100 probes, set internal jumper ‘T’ at position 5-6 (see section 1.9). -
Page 12: Measuring With Ntc Probes
DP20 Economical Multisignal Meter Instruction Manual 1.14 Measuring with NTC probes • Accepted NTC probes • Sensor break detection The NTC probe is a temperature variable resistor In case of sensor break, the instrument will show ‘h.ovr’ or ‘h.udr’ (see Table 18) depending on the broken cable. -
Page 13: Process Measures
DP20 Economical Multisignal meter Instruction Manual 1.16 Process measures • Measuring process signals • Start-up, connections and jumpers For instrument start-up follow the steps listed at section 1.7. Signal The instrument accepts the measure of process signals connections are indicated at section 1.5. Location for internal in 4/20 mA and 0/10 Vdc. -
Page 14: Measures Of Resistance
DP20 Economical Multisignal Meter Instruction Manual 1.18 Measures of resistance • Measuring resistive signals • Response times The instrument accepts the measure of resistances and The response time to a signal step is 300 mSeconds, independent of provides two ranges of measure from 0 to 5 K and from the signal range selected. -
Page 15: Fast Access' Menu
DP20 Economical Multisignal meter Instruction Manual 1.20 ‘Fast access’ menu 1.23 ‘Eco’ mode The ‘fast access’ menu allows to configure the front key ‘UP’ (‘5’) as a The ‘Eco’ mode reduces the consumption of the instrument to a level of 0.3 W. The ‘Eco’ mode turns off the display, while the right decimal direct access to the alarm 1 and / or alarm 2 setpoint values, and / or... -
Page 16: To Open The Instrument
DP20 Economical Multisignal Meter Instruction Manual 1.26 To open the instrument To open the housing and access the internal circuits, use a flat screwdriver to unlock clips ‘D’, ‘C’, ‘B’ and ‘A’, in this order. Remove the front filter. Let the inside of the instrument slide out of the housing. -
Page 17: How To Operate The Menus
DP20 Economical Multisignal meter Instruction Manual 1.27 How to operate the menus The instrument has two menus accessible to the user : Example of operation inside the ‘configuration menu’. ‘Configuration menu’ (key SQ) (<) 1. The SQ (<) key enters into the ‘Fast access’... -
Page 18: Configuration Menu
DP20 Economical Multisignal Meter Instruction Manual 1.29 Configuration menu 1.29.1 Input signal ranges Press ‘SQ’ (<) for 1 second to access the ‘configuration menu’. For a description on how to operate inside the menus see section 1.26 . For a full vision of the ‘configuration menu’ structure see Access the ‘Input’... -
Page 19: Scaling
DP20 Economical Multisignal meter Instruction Manual 1.29 Configuration menu (cont.) • ‘Resistance’ (‘rES’) - select 5 K for a measuring range from 0 to Pt100 a 2 hilos 5 KOhms or select 50 K for a measuring range of 0 to 50 KOhms. RTD probes... -
Page 20: Fast Access
DP20 Economical Multisignal Meter Instruction Manual 1.29 Configuration menu (cont.) 1.29.4 Fast access The key ‘UP’ (5) at the front of the instrument gives access to a list of functions configurable by the operator. See section 1.26 for an Alarm type Alarm 2 explanation on how to operate the ‘fast access’... -
Page 21: Menu 'Tools
DP20 Economical Multisignal meter Instruction Manual 1.29 Configuration menu (cont.) • select parameter ‘Decimal point 3’ (‘dP.3’) to activate the decimal point at position X.XXX Parameters ‘Decimal point 0’ (‘dP.0’)and similar ‘dP.1’, ‘dP.2’ and dP.3’ control which decimal point is on. When the external contact closes, the decimal point selected lights on and the decimal point that was activated before will power off. - Page 22 DP20 Economical Multisignal Meter Instruction Manual 1.29 Configuration menu (cont.) • the ‘second scaling’ (ScL.2’) function allows to configure the reading associated to the ‘second scaling’, which can be activated by controlling a contact at the ‘external control’. For more...
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Page 23: Configuring The Options
DP20 Economical Multisignal meter Instruction Manual 1.29 Configuration menu (cont.) default factory configuration for the instrument. See section 1.31 for a list of values at default factory configuration. Factory reset 1.29.8 Configuring the options Option 1 Analog output Display Low At the ‘Option 1 configuration’ (‘out.1’) configure the module configuration* installed at slot Opt.1. -
Page 24: Full Configuration Menu
DP20 Economical Multisignal Meter Instruction Manual 1.30 Full configuration menu Press ‘SQ’ (<) for 1 second to access the ‘Configuration menu’. See Pt100 a 2 hilos 1.28 section for a description of each menu entry. RTD probes Pt100 a 3 hilos 600U 600 Vac range... - Page 25 DP20 Economical Multisignal meter Instruction Manual 1.30 Full configuration menu (cont.) Alarm 2 Alarm type Tools Option 1 disabled relay Setpoint the parameter ‘420’ gives access to the calibration analog output menu for the analog out- Hysteresis put. See section 2.2 for more information.
- Page 26 DP20 Economical Multisignal Meter Instruction Manual 1.30 Full configuration menu (cont.) Alpha 385 Alpha Alpha 390 Thermocouple cold junction compensation Cold junction ‘on’ or ‘off’ Deadband fo AC signals ‘AC deadband’ Minimum Brightness Standard Maximum Version Password Factory reset Analog output Display Low Option 1...
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Page 27: Precautions On Installation
DP20 Economical Multisignal meter Instruction Manual 1.31 Precautions on installation According directive 2012/19/EU, electronic Risk of electrical shock. Instrument terminals can be connected equipment must be recycled in a selective and to dangerous voltage. controlled way at the end of its useful life. -
Page 28: Output And Control Modules
DP20 Economical Multisignal Meter Instruction Manual 2. Output and control modules 2.1 Modules A1 and A2 (relay output) 2.2 Module M1 (analog output) The A1 (and A2) modules offer 1 relay output to be installed at slot The M1 module offers 1 analog output at 4/20 mA, isolated, to be Opt.1 (module A2 at Opt.2). -
Page 29: Module S1 (Modbus Rtu)
DP20 Economical Multisignal meter Instruction Manual 2.3 Module S1 (Modbus RTU) The S1 module offers 1 Modbus RTU serial output, isolated, to be Installing, calibrating and configuring a M1 module installed at slot Opt1. If the M1 module has been acquired installed in the instrument, then Configuration is done from the front keypad, through the configuration the module has been factory calibrated. - Page 30 Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course! Shop online at omega.com TEMPERATURE Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies Wire: Thermocouple, RTD & Thermistor Calibrators & Ice Point References Recorders, Controllers & Process Monitors...