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Omega Engineering OM5-C User Manual

Isolated signal conditioners
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  • Page 2 OMEGAnet On-Line Service http://www.omega.com Servicing North America: USA: One Omega Drive, Box 4047 Stamford, CT 06907-0047 Tel: (203) 359-1660 e-mail: info@omega.com Canada: 976 Berger Laval (Quebec) H7L 5A1 Tel: (514) 856-6928 e-mail: canada@omega.com For immediate technical or application assistance: USA and Canada: Sales Service: 1-800-826-6342 / 1-800-TC-OMEGA Customer Service: 1-800-622-2378 / 1-800-622-BEST Engineering Service: 1-800-872-9436 / 1-800-USA-WHEN...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS GENERAL DESCRIPTION ... 2 OM5 SELECTION GUIDE ... 2 ANALOG VOLTAGE INPUT MODULES, NARROW BANDWIDTH: OM5-IMV/IV ... 4 ANALOG CURRENT INPUT MODULES: OM5-II ... 6 TRUE RMS INPUT MODULES: OM5-IAC ... 8 LINEARIZED 2- OR 3-WIRE RTD INPUT MODULES: OM5-IP/IC/IN ... 10 LINEARIZED 4-WIRE RTD INPUT MODULES: OM5-IP4/IC4/IN4...
  • Page 4 Analog Voltage Input Modules, Wide Bandwidth FEATURES ● ACCEPTS MILLIVOLT AND VOLTAGE LEVEL SIGNALS ● HIGH LEVEL VOLTAGE OUTPUTS ● 1500Vrms TRANSFORMER ISOLATION ● ANSI/IEEE C37.90.1-1989 TRANSIENT PROTECTION ● INPUT PROTECTED TO 240VAC CONTINUOUS ● 100dB CMR ● 10kHz SIGNAL BANDWIDTH ●...
  • Page 5 SPECIFICATIONS Typical at T = +25°C and +5V Power. Module OM5-WMV ±10mV to ±100mV Input Range ±0.5nA Input Bias Current Input Resistance Normal 200MΩ Power Off 40kΩ Overload 40kΩ Input Protection Continuous 240Vrms Max Transient ANSI/IEEE C37.90.1-1989 CMV, Input to Output Continuous 1500Vrms max Transient...
  • Page 6 2-Wire Transmitter Interface Modules FEATURES ● ISOLATED +20VDC CURRENT LOOP SUPPLY ● PROVIDES ISOLATION FOR NON-ISOLATED 2-WIRE TRANSMITTERS ● HIGH LEVEL VOLTAGE OUTPUT: +1V to +5V or +2V to +10V ● 1500Vrms TRANSFORMER ISOLATION ● ANSI/IEEE C37.90.1-1989 TRANSIENT PROTECTION ● INPUT PROTECTED TO 240VAC CONTINUOUS ●...

  • Page 7: Specifications

    SPECIFICATIONS Typical at T = +25°C and +5V power. Module OM5-TX Input Range 4mA to 20mA Input Resistor Value 20.00Ω ±0.1% Accuracy ±10ppm/°C Stability Loop Supply Voltage Nominal 20V at 4mA to 20mA Isolated Excitation Protection Continuous 240Vrms max Transient ANSI/IEEE C37.90.1-1989 Input Protection Continuous...
  • Page 8 General Purpose Input Modules, with DC Excitation FEATURES ● INTERFACES TO DC DISPLACEMENT TRANSDUCERS AND OTHER DEVICES REQUIRING A STABLE DC SUPPLY ● HIGH LEVEL VOLTAGE OUTPUTS ● 1500Vrms TRANSFORMER ISOLATION ● ANSI/IEEE C37.90.1-1989 TRANSIENT PROTECTION ● INPUT PROTECTED TO 240VAC CONTINUOUS ●...
  • Page 9 SPECIFICATIONS Typical at T = +25°C and +5V power. Module Input Range Input Bias Current Input Resistance Normal 2MΩ (minimum) Power Off 2MΩ (minimum) Overload 2MΩ (minimum) Input Protection Continuous Transient ANSI/IEEE C37.90.1-1989 (formerly IEEE-472) +10.0VDC ±2mV Excitation Voltage, V Excitation current 40mA (maximum) Excitation Load Regulation...
  • Page 10 Frequency Input Modules FEATURES ● ACCEPTS FREQUENCY INPUTS OF 0 to 100kHz ● PROVIDES HIGH LEVEL VOLTAGE OUTPUTS ● TTL LEVEL INPUTS ● 1500 VOLT TRANSFORMER ISOLATION ● ANSI/IEEE C37.90.1-1989 TRANSIENT PROTECTION ● INPUT PROTECTED TO 240VAC CONTINUOUS ● ±0.05% ACCURACY ●...
  • Page 11 SPECIFICATIONS Typical at Ta = +25C and +5V Power Module OM5-IFI Input Range 0 to 100KHz Input Threshold Zero Crossing Minimum Input 60mVp-p Maximum Input 350Vp-p Minimum Pulse Width 4µs TTL Input Low 0.8V max TTL Input High 2.4V min Input Hysteresis Zero Crossing 0.04V...
  • Page 12 Linearized Thermocouple Input Modules FEATURES ● INTERFACES TO TYPES J, K, T, E, R, S, N, AND B THERMOCOUPLES ● LINEARIZES THERMOCOUPLE SIGNAL ● HIGH LEVEL VOLTAGE OUTPUTS ● 1500Vrms TRANSFORMER ISOLATION ● ANSI/IEEE C37.90.1-1989 TRANSIENT PROTECTION ● INPUT PROTECTED TO 240VAC CONTINUOUS ●...
  • Page 13 SPECIFICATIONS Module Input Range Input Bias Current Input Resistance Normal Power Off Overload Input Protection Continuous Transient CMV, Input to Output Continuous Transient CMR (50Hz or 60Hz) Accuracy Stability Input Offset Output Offset Gain Noise Input, 0.1 to 10Hz Output, 100kHz Bandwidth, –3dB Response Time, 90% Span Output Range...
  • Page 14 Voltage Output Modules FEATURES ● ACCEPTS HIGH LEVEL VOLTAGE INPUTS TO ±10V ● PROVIDES HIGH LEVEL VOLTAGE OUTPUTS TO ±10V ● 1500 VOLT TRANSFORMER ISOLATION ● ANSI/IEEE C37.90.1e-1989 TRANSIENT PROTECTION ● 5 POLES OF FILTERING ● 110dB CMR ● 400Hz SIGNAL BANDWIDTH ●...
  • Page 15 SPECIFICATIONS Typical at TA= +25C and +5V Power Module ±5V, 0 to +5V, ±10V, 0 to +10V Input Voltage Range ±36V (no damage) Input Voltage Maximum Input Resistance ±5V, 0 to +5V, ±10V, 0 to +10V Output Voltage Range Over Range Capability 5% @ 10V output Output Drive Output Resistance...
  • Page 16 Module Dimensions and Pinouts The following mechanical drawing is useful if designing circuit boards to mount the OM5 modules. Many sockets are available which accept the mounting pins. As an example, AMP Inc. provides a socket with part 2.255" (57.3mm) [2.260"...
  • Page 17 for OM5 Analog Modules FEATURES ● SINGLE, DUAL, 8-, AND 16-POSITION BACKPANELS ● DIN RAIL MOUNT BACKPANELS ● 19-INCH MOUNTING RACK FOR BACKPANELS ● MULTIPLEXED AND NON-MULTIPLEXED BACKPANELS OM5-BP-16-C 16 POSITION ANALOG I/O BACKPANEL, NON-MULTIPLEXED DESCRIPTION The OM5-BP-16-C 16 channel backpanel (Figure 1) can accept any of the OM5 analog modules in any mixture.
  • Page 18 FIGURE 2. OM5-BP-16-C Schematic.
  • Page 19 ELECTRICAL P1 AND P2 CONNECTOR Connection to the host system is made at connectors P1 and P2. These connectors are electrically equivalent. Two connectors are provided to allow both analog input and analog output from host systems having individual input and output connectors. ADJACENT CHANNEL JUMPERS Adjacent channels may be connected together to provide an isolated output signal from an isolated input module, providing two levels of 1500V...
  • Page 20 OM5-BP-16-MUX-C 16 POSITION ANALOG I/O BACKPANEL, MULTIPLEXED DESCRIPTION The OM5-BP-16-MUX-C 16 channel backpanel (Figure 5) can accept any of the OM5 analog modules in any mixture. It can be mounted on the OMX-1363-C 19-inch metal rack. The OM5-BP-16-MUX-C has two analog buses;...
  • Page 21 FIGURE 6. OM5-BP-16-MUX-C Schematic.
  • Page 22 ELECTRICAL P1 CONNECTOR The 26 pin P1 connector provides the signal interface between the OM5-BP- 16-MUX-C backpanel and the host measurement system. Two separate analog bus connections are provided; one for analog input signals and one for analog output signals. Two sets of six address lines and an enable pin allow input and output modules to be independently multiplexed onto their respective analog signal bus.
  • Page 23 OM5-BP-SKT-C /-2-C ONE / TWO POSITION ANALOG I/O BACKPANELS DESCRIPTION The OM5-BP-SKT-C is a single channel mounting panel for the OM5 modules. The OM5-BP-2-C is a dual channel mounting panel for the OM5 modules. They both are DIN rail compatible. See Figures 9 and 10 for wiring diagrams, Figures 11 and 12 for schematics.
  • Page 24 COM/ OUT/ –I PCOM +5V WR EN\ 22 RD EN\ DATA 20 V I/O COM 18 V 16 PCOM –In +EXC –EXC +SEN –SEN OMX-CJC-C OMX-1362-C –EXC –In/ +In/ +EXC –Out +Out FIGURE 11. OM5-BP-SKT-C Schematic. *NOTE: OMX-1362-C resistors are not installed at factory.
  • Page 25 OM5-BP-8-C 8 POSITION ANALOG I/O BACKPANEL, NON-MULTIPLEXED DESCRIPTION The OM5-BP-8-C analog module mounting board has a capacity of eight analog input and/or output modules in any combination. It can be mounted on the OMX-1363-C 19-inch metal rack. A separate analog signal path is provided for each channel and each channel’s signal is accessible at redundant 26-pin connectors.
  • Page 26 FIGURE 14. OM5-BP-8-C Schematic.
  • Page 27 OM5-BP-8-MUX-C 8 POSITION ANALOG I/O BACKPANEL, MULTIPLEXED DESCRIPTION The OM5-BP-8-MUX-C backpanel (Figure 15) can accept up to eight OM5 modules in any combination. It can be mounted on the OMX-1363-C 19-inch metal rack. The OM5-BP-8-MUX-C has two analog buses; one for analog input and one for analog output.
  • Page 28 FIGURE 16. OM5-BP-8-MUX-C Schematic.
  • Page 29 OM5-BP-16-DIN-C, OM5-BP-16-MUX-DIN-C, OM5-BP-8-DIN-C, DESCRIPTION The SCMPB0X-2 is the SCMPB0X backpanel with a DIN rail mounting option. The SCMPB0X backpanel is attached to a 0.062" thick piece of black anodized aluminum, which in turn is captured using the SCMXBEFE and OMX-1363-C 19 INCH METAL MOUNTING RACK DESCRIPTION The OMX-1363-C is a 19-inch metal rack for mounting the OM5-BP backpanels.
  • Page 30 OM5-BP-SKT-C ANALOG MODULE EVALUATION BOARD DESCRIPTION The OM5-BP-SKT-C is a single channel board with a test socket for OM5 module evaluation (Figure 19). All signal input/output, control, and power connections are connected to terminal blocks for ease of user access. A cold junction temperature sensor circuit is included for evaluation of thermo- couple modules.
  • Page 31 OM5-1315-XX-C, OMX-CAB-01-C INTERFACE CABLES DESCRIPTION OM5-1315-XX-C System interface cable for the SCMPB01/02/05/06 backpanels. This is a 26 conductor ribbon cable with a mass-terminated socket connector installed on each end. It can be ordered in any length; -xx denotes required length in meters (Figure 21).
  • Page 32 OMX-CJC-C ENCAPSULATED COLD JUNCTION COMPENSATION DESCRIPTION The OMX-CJC-C is the identical circuit used on the OM5-BP backpanels except it is packaged as a component for use in customer designed mounting boards (Figure 24). When interfaced to an OM5-ITC or OM5-LTC module, the transfer function of the voltage across the +SEN and –SEN pins is V –0.0025(T –25)V.
  • Page 33 OMX-955-C, OMX-955-220-C POWER SUPPLIES DESCRIPTION The OMX-955-C encapsulated power supplies are available in 120VAC or 220VAC input voltage ranges and provide 5VDC outputs suitable for all OM5 modules. They are designed to mount on the OMX-1363-C metal rack. The supplies are UL-recognized and CSA certified. Their compact size and low weight are ideal for high-density applications (see Figure 25.) SPECIFICATIONS Input Voltage Range...
  • Page 34 OMX-977-C, OMX-977-220-C POWER SUPPLIES DESCRIPTION The OMX-977 Linear Power Supplies are available in 120VAC or 220VAC input. They have sufficient output current capacity to supply any combination of OM5 modules. The OMX-1363-C metal rack provides mounting capability for the power supplies (See Figure 26). SPECIFICATIONS Input Voltage Range Output Voltage...

  • Page 35: General Description

    General Description OMEGA® OM5 Series Isolated Signal Conditioning Modules are low cost, high performance, plug-in signal conditioners. Each OM5 module provides a single channel of isolated analog input or output. Input modules interface to all types of external sensors. The modules filter, isolate, amplify, and convert the input signal to a high-level analog voltage output.
  • Page 36 SELECTION GUIDE FOR OM5 ISOLATED SIGNAL CONDITIONING PRODUCTS ANALOG VOLTAGE INPUT MODULES, WIDE BANDWIDTH (10kHz BW) MODEL INPUT RANGE OUTPUT RANGE* OM5-WMV-10A-C 10mV OM5-WMV-50A-C 50mV OM5-WMV-100A-C 100mV OM5-WMV-10B-C 10mV 0 to +5V OM5-WMV-50B-C 50mV 0 to +5V OM5-WMV-100B-C 100mV 0 to +5V OM5-WV-1A-C OM5-WV-5A-C OM5-WV-10A-C...

  • Page 37: Analog Voltage Input Modules, Narrow Bandwidth: Om5-Imv/Iv

    Analog Voltage Input Modules, Narrow Bandwidth FEATURES ● ACCEPTS MILLIVOLT AND VOLTAGE LEVEL SIGNALS ● HIGH LEVEL VOLTAGE OUTPUTS ● 1500Vrms TRANSFORMER ISOLATION ● ANSI/IEEE C37.90.1-1989 TRANSIENT PROTECTION ● INPUT PROTECTED TO 240VAC CONTINUOUS ● 160dB CMR ● 95dB NMR AT 60Hz, 90dB at 50Hz ●...
  • Page 38 SPECIFICATIONS Typical at T = +25 C and +5V power. Module Input Range Input Bias Current Input Resistance Normal Power Off Overload Input Protection Continuous Transient CMV, Input to Output Continuous Transient CMR (50Hz or 60Hz) Accuracy 0.05% Span 10 V RTI Nonlinearity Stability Input Offset...

  • Page 39: Analog Current Input Modules: Om5-Ii

    Analog Current Input Modules FEATURES ● ACCEPTS MILLIAMP LEVEL SIGNALS ● HIGH LEVEL VOLTAGE OUTPUTS ● 1500Vrms TRANSFORMER ISOLATION ● ANSI/IEEE C37.90.1-1989 TRANSIENT PROTECTION ● INPUT PROTECTED TO 240VAC CONTINUOUS ● 160dB CMR ● 95dB NMR AT 60Hz, 90dB AT 50Hz ●...
  • Page 40 SPECIFICATIONS Typical at T = +25 C and +5V power. Module Input Range 0mA to 20mA or 4mA to 20mA Input Resistor Value Accuracy Stability 10ppm/ C Input Protection Continuous 240Vrms max Transient ANSI/IEEE C37.90.1-1989 CMV, Input to Output Continuous 1500Vrms max Transient ANSI/IEEE C37.90.1-1989...

  • Page 41: True Rms Input Modules: Om5-Iac

    Isolated True RMS Input Modules FEATURES ● INTERFACES RMS VOLTAGE (0 – 300V) OR RMS CURRENT (0 – 5A) ● DESIGNED FOR STANDARD OPERATION WITH FREQUENCIES OF 45HZ TO 1000HZ (EXTENDED RANGE TO 20Khz) ● COMPATIBLE WITH STANDARD CURRENT AND POTENTIAL TRANSFORMERS ●...
  • Page 42 SPECIFICATIONS Typical at T = +25 C and +5V power. Module OM5-IAC Input Signal Range 100mV to 10V rms, 0 to 5A rms Standard Frequency Range 45Hz to 1000Hz Extended Frequency Range 1kHz to 20kHz Impedance 1% shunted by 100pF (-01 thru -05), 0.05 Coupling Protection...

  • Page 43: Linearized 2- Or 3-Wire Rtd Input Modules: Om5-Ip/Ic/In

    Linearized 2- or 3-Wire RTD Input Modules FEATURES ● INTERFACES TO 100 PLATINUM, 10 COPPER, OR 120 NICKEL RTDs ● LINEARIZES RTD SIGNAL ● HIGH LEVEL VOLTAGE OUTPUTS ● 1500Vrms TRANSFORMER ISOLATION ● ANSI/IEEE C37.90.1-1989 TRANSIENT PROTECTION ● INPUT PROTECTED TO 240VAC CONTINUOUS ●...
  • Page 44 SPECIFICATIONS Typical at T = +25 C and +5V Power. Module OM5-IP/IC/IN Input Range Limits –200 C to +850 C (100 –80 C to 320 C (120 –100 C to 260 C (10 Input Resistance Normal Power Off Overload Input Protection Continuous 240Vrms max Transient...

  • Page 45: Linearized 4-Wire Rtd Input Modules: Om5-Ip4/Ic4/In4

    Linearized 4-Wire RTD Input Modules FEATURES ● INTERFACES TO 100 PLATINUM, 10 COPPER, OR 120 NICKEL RTDs ● TRUE 4-WIRE INPUT ● LINEARIZES RTD SIGNAL ● HIGH LEVEL VOLTAGE OUTPUT ● 1500Vrms TRANSFORMER ISOLATION ● ANSI/IEEE C37.90.1-1989 TRANSIENT PROTECTION ● INPUT PROTECTED TO 240VAC CONTINUOUS ●...
  • Page 46 SPECIFICATIONS Module Input Range Limits Input Resistance Normal Power Off Overload Input Protection Continuous Transient Sensor Excitation Current Lead Resistance Effect CMV, Input to Output Continuous Transient CMR (50Hz or 60Hz) Accuracy Conformity Error Stability Input Offset Output Offset Gain Noise Input, 0.1 to 10Hz Output, 100kHz...

  • Page 47: Potentiometer Input Modules: Om5-Pt

    Potentiometer Input Modules FEATURES ● INTERFACES TO POTENTIOMETERS UP TO 10,000 OHMS ● HIGH LEVEL VOLTAGE OUTPUTS ● 1500 VOLT TRANSFORMER ISOLATION ● ANSI/IEEE C37.90.1-1989 TRANSIENT PROTECTION ● INPUT PROTECTED TO 240VAC CONTINUOUS ● 160dB CMR ● 95dB NMR AT 60HZ, 90dB AT 50HZ ●...
  • Page 48 SPECIFICATIONS Typical at Ta = +25˚C and +5V Power Module Input Range 0 to 10K Input Resistance Normal Power Off Overload Input Protection Continuous 240Vrms max Transient ANSI/IEEE C37.90.1-1989 Sensor Excitation Current 0.25mA; 100 , 500 , 1K sensor 0.10mA; 10K sensor Lead Resistance Effect 0.01 / ;...

  • Page 49: Thermocouple Input Modules: Om5-Itc

    Thermocouple Input Modules FEATURES ● INTERFACES TO TYPES J, K, T, E, R, S, C, N AND B THERMOCOUPLES ● HIGH LEVEL VOLTAGE OUTPUTS ● 1500Vrms TRANSFORMER ISOLATION ● ANSI/IEEE C37.90.1-1989 TRANSIENT PROTECTION ● INPUT PROTECTED TO 240VAC CONTINUOUS ● 160dB CMR ●...
  • Page 50 SPECIFICATIONS Module Input Range Input Bias Current Input Resistance Normal Power Off Overload Input Protection Continuous Transient CMV, Input to Output Continuous Transient CMR (50Hz or 60Hz) Accuracy Nonlinearity Stability Input Offset Output Offset Gain Noise Input, 0.1 to 10Hz Output, 100kHz Bandwidth, –3dB Response Time, 90% Span...
  • Page 51 Strain Gage Input Modules, Wide Bandwidth FEATURES ● INTERFACES TO 100 THRU 10k , FULL-BRIDGE, HALF-BRIDGE, OR QUARTER-BRIDGE STRAIN GAGES ● HIGH LEVEL VOLTAGE OUTPUTS ● 1500Vrms TRANSFORMER ISOLATION ● ANSI/IEEE C37.90.1-1989 TRANSIENT PROTECTION ● INPUT PROTECTED TO 240VAC CONTINUOUS ●...
  • Page 52 SPECIFICATIONS Typical at T = +25 C and +5V power. Full Bridge Module OM5-WBS38-01-C, -WBS-1/-2/-4/-5-C Input Range 10mV to 100mV Input Bias Current 0.3nA Input Resistance Normal Power Off Overload Signal Input Protection Continuous 240Vrms max Transient ANSI/IEEE C37.90.1-1989 Excitation Output (-1/-2/-3/-5-C) +10V 3mV Excitation Output (-4-C,-01/-03-C) +3.333V 2mV...

  • Page 53: Analog Current Output Modules: Om5-Ivi

    Current Output Modules FEATURES ● ACCEPTS HIGH LEVEL VOLTAGE OR PROCESS CURRENT INPUT ● UNIPOLAR OR BIPOLAR CURRENT OUTPUT ● 1500Vrms TRANSFORMER ISOLATION ● ANSI/IEEE C37.90.1-1989 TRANSIENT PROTECTION ● OUTPUT PROTECTED TO 240VAC CONTINUOUS ● 110dB CMR ● 400Hz SIGNAL BANDWIDTH ●...
  • Page 54 SPECIFICATIONS Typical at T = +25 C and +5V power. Unipolar Output Current Module Input Voltage Range 5V or 0V to +5V Input Current Range (–05) 0 to 20mA Input Voltage Maximum 36V (no damage) Input Current, Maximum (–05) 75mA (no damage) Input Resistance Input Resistance (–05) Output Current Range...

  • Page 55: Analog Voltage Input Modules, Wide Bandwidth: Om5-Wmv/Wv

    WARRANTY/DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 months 13 months from date of purchase. period to the normal one (1) year product warranty one (1) year product warranty to cover handling and shipping time. ensures that OMEGA's customers receive maximum coverage on each product.
  • Page 56 TEMPERATURE þ Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies þ Wire: Thermocouple, RTD & Thermistor þ Calibrators & Ice Point References þ Recorders, Controllers & Process Monitors þ Infrared Pyrometers PRESSURE, STRAIN AND FORCE þ Transducers & Strain Gauges þ...

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