2B22 FEATURES Wide Input Range: +10V Standard Output Range: 20mA

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2B22 FEATURES Wide Input Range: +10V Standard Output Range: 20mA

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High Performance, Isolated Voltage-to-Current Converter
2B22
FEATURES Wide Input Range: +10V Standard Output Range: 20mA High Input/Output Isolation: 1500V Continuous Nonlinearity: 0.05% max, 2B22L Span Drift: 0.005%/°C max, 2B22L Single Supply: +14V +32V Meets IEEE 472: Transient Protection (SWC) Meets 50.1: Isolated Current Loop Transmitters APPLICATIONS Industrial Instrumentation Process Control Ground Loop Elimination High Voltage Transient Protection Converter Current Loop Interface Analog Transmitters Controllers Remote Data Acquisition Systems GENERAL DESCRIPTION Model 2B22 high performance, compact voltage-to-current converter offering 1500V input output isolation interfacing standard process signals. input stage model 2B22 single resistor programmable accept voltage ranges from +10V. isolated output current range 20mA, 2B22 operated with 1000 grounded floating loads. Using modulation techniques with transformer isolation reliable performance, 2B22 available three accuracy selections offering guaranteed nonlinearity error (2B22L: ±0.05% max, 2B22K: ±0.1% max, 2B22j: ±0.2% max) guaranteed span drift: ±0.005%/°C max, ±0.01%/°C max, ±0.015%/°C max, respectively. internally trimmed span offset errors ±0.1% 2B22L ±0.25% 2B22J/2B22K. Both span offset adjustable optional external potentiometers. Featuring wide range, single supply operation (+14V +32V), 2B22 provides isolated +28V loop power capable delivering rated current into external 1000 load resistance. unique output stage configuration also allows user utilize optional external loop power supply interface systems designed twowire operation. APPLICATIONS Model 2B22 been specifically designed high accuracy applications process control monitoring systems offer complete galvanic isolation protection against damage from transients fault voltages transmitting information between subsystems separated system elements. 2B22
meets requirements instrument Society America Std. 50.1 "Compatibility Analog Signals Electronic Industrial Process instruments" Type Class isolated current loop transmitters. industrial environment, model 2B22 serve transmission link between such system elements transmitters, indicators, controllers, recorders, computers, actuators signal conditioners. data acquisition control systems, 2B22 isolated interface between converter output microcomputer standard 20mA analog loops. DESIGN FEATURES USER BENEFITS High Reliability: Model 2B22 conservatively designed, compact module capable reliable operation harsh environments. assure high reliability, 2B22 calculated MTBF over 270,000 hours been designed meet IEEE Standard Transient Voltage Protection (472-1974: Surge Withstand Capability). Process Signal Compatibility: versatile input stage design with single resistor gain adjustment enables 2B22 accept standard inputs0-1V, 0-10V, 1-5V; 1-5mA, 4-20mA, 1050mA; provide standard, isolated 4-20mA output. Isolated loop Power: Internal loop supply, completely isolated from input power terminals (±1500V isolation), provides capability drive 1000 loads eliminates need external dc/dc converter.
Information furnished Intronics believed accurate reliable. However, responsibility assumed Intronics use; infringements patents other rights third parties which result from use. license granted implication otherwise under patent patent rights Intronics.
1400 Providence Highway, Building Norwood, 02062 Phone (781) 551-5500 (781) 551-5555 www.intronicspower.com

2B22 FEATURES Wide Input Range: +10V Standard Output Range: 20mA

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