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| DI-8B32 Analog Current Input Modules FEATURES * Accepts Milliamp Level Signals * High Level Voltage Outputs * 1500Vrms Transformer Isolation * ANSI/IEEE C37.90.1 Transient Protection * Input Protected to 30VAC Continuous * 120dB CMR * 70dB NMR at 60Hz * 0.05% Accuracy * 0.02% Linearity * Low Drift with Ambient Temperature * CSA, FM and CE Certifications Pending * Mix and Match Module Types SPECIFICATIONS Input Range Input Resistance Input Protection CMV, Input to Output Transient, Input to Output CMR (50Hz or 60Hz) NMR Accuracy* Nonlinearity Stability Noise Typical at TA = +25C and +5V Power DI-8B32 0mA to 20mA or 4mA to 20mA Normal Power Off Continuous Transient <50 <50 40VAC ANSI/IEEE C37.90.1 1500Vrms max ANSI/IEEE C37.90.1 120dB 70dB at 60Hz 0.05% span 0.02% Span 25ppm/C 50ppm/C 250Vrms 3Hz 150ms 0 to +5V Continuous Short to Ground ANSI/IEEE C37.90.1 +5VDC 5% 30mA 25ppm/% 1.11" x 1.65" x 0.40" (28.1mm x 41.9mm x 10.2mm) -40C to +85C -40C to +85C 0 to 95% Noncondensing DESCRIPTION Output Gain DI-8B modules are an optimal solution for monitoring real-world process signals and providing high level signals to a data acquisition system. Each DI-8B32 module isolates, filters and amplifies a process current input signal and provides an analog voltage output. Current to voltage conversion is accomplished internal to the module to ensure high accuracy. Signal filtering is accomplished with a three-pole filter optimized for time and frequency response which provides 70dB of normal-mode-rejection at 60Hz. One pole of this filter is on the field side of the isolation barrier for anti-aliasing, and the other two are on the system side. A special input circuit on the 8B32 module provides protection against accidental connection of power-line voltages up to 30VAC. Isolation is provided by optical coupling to suppress transmission of common mode spikes or surges. The module is powered from +5VDC, 5%. The modules are designed for installation in Class I, Division 2 hazardous locations and have a high level of immunity to environmental noise. Output, 100kHz Bandwidth, -3dB Response Time, 90% Span Output Range Output Protection Transient Power Supply Voltage Power Supply Current Power Supply Sensitivity Mechanical Dimensions Environmental Operating Temperature Storage Temperature Relative Humidity *Includes nonlinearity, hysteresis and repeatability. DATAQ Instruments, Inc. * 241 Springside Drive * Akron, Ohio 44333 * Tel: 330-668-1444 * Email: support@dataq.com * www.dataq.com DI-8B32 Analog Current Input Modules Block Diagram Ordering Information Model Number DI-8B32-01 DI-8B32-02 Input Range 4mA to 20mA 0mA to 20mA Output Range 0V to +5V 0V to +5V 241 Springside Drive Akron, Ohio 44333 330-668-1444 Data Acquisition Product Links (click on text to jump to page) Data Acquisition | Data Logger | Chart Recorder | Thermocouple | Oscilloscope The information on this data sheet is subject to change without notice. DATAQ and the DATAQ logo are registered trademarks of DATAQ Instruments, Inc. All rights reserved. Copyright (c) 2005 DATAQ Instruments, Inc. |
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