2B20 ETC1 [List of Unclassifed Manufacturers], 2B20 Datasheet

2B20

Manufacturer Part Number

2B20

Description

High Performance, 4-20mA Output Voltage-to-Current Converter

Manufacturer

ETC1 [List of Unclassifed Manufacturers]

Datasheet

1.2B20.pdf (1 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

2B200-6200-8N1S

Manufacturer:

Quantity:

12 000

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

2B20A

Manufacturer:

KYOCERA

Quantity:

1 310

Company:

BOSTOCK HK LIMITED

Part Number:

2B20A

Quantity:

2 563

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

2B20B

Manufacturer:

ALLEGRO

Quantity:

1 430

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GENERAL DESCRIPTION

Model 2B20 is a complete, modular voltage-to-current converter

providing the user with a convenient way to produce a current output

signal which is proportional to the voltage input. The nominal input

voltage range is 0 to +10V. The output current range is 4 to 20mA into

a grounded load.

Featuring low drift (0.005%/ C max, 2B20B) over the -25 C to +85 C

temperature range and single supply operation (+10V to +32V), model

2B20 is available in two accuracy grades. The 2B20B offers precision

performance with nonlinearity error of 0.005% (max) and guaranteed

low offset error of ±0.1% max and span error of ±0.2% max, without

external trims. The 2B20A is an economical solution for applications

with lesser accuracy requirements, featuring nonlinearity error of

0.025% (max), offset error of ±0.4% (max), span error of ±0.6%

(max), and span stability of 0.01%/ C max.

The 2B20 is contained in a small (1.1" x 1.1" x 0.4"), rugged, epoxy

encapsulated package. For maximum versatility, two signal input

terminals are provided. Utilizing terminals V

eliminates the need for any external components, since offset and

span are internally calibrated. If higher accuracy (up to ±0.01%) is

required, inputs V

may be utilized.

APPLICATIONS

Model 2B20 has been designed for applications in process control and

monitoring systems to transmit information between subsystems or

separated system elements. The 2B20 can serve as a transmission link

between such elements of process control system as

Information furnished by Intronics is believed to be accurate and reliable. However, no

responsibility is assumed by Intronics for its use; nor for any infringements of patents or

other rights of third parties which may result from its use. No license is granted by

implication or otherwise under any patent or patent rights of Intronics.

FEATURES

Complete, No External Components Needed

Small Size: 1.1 " x 1.1 " x 0.4" Module

Input: 0 to +10V; Output: 4 to 20mA

Low Drift: 0.005%/ C max; Nonlinearity: 0.005% max

Wide Temperature Range: -25 C to +85 C

Single Supply: +10V to +32V

Meets ISA Std 50.1 for Type 3, Class L and U, Nonisolated

Economical

APPLICATIONS

Industrial Instrumentation and Control Systems

D/A Converter - Current Loop Interface

Analog Transmitters and Controllers

Remote Data Acquisition Systems

IN1

(2B20B)

Current Loop Transmitters

and V

IN2

) and two reference input (REF

IN2

and REF

IN2

with series trim potentiometers

IN1

and REF

High Performance, 4-20mA Output

IN2

IN1

)

Voltage-to-Current Converter

transmitters, indicators, controllers, recorders, computers, actuators

and signal conditioners.

In a typical application, model 2B20 may act as an interface between

the D/A converter output of a microcomputer-based system and a

process control device such as a variable position valve. Another

typical application of the 2B20 may be as a current output stage of a

proportional controller to interface devices such as current-to-position

converters and current-to-pneumatic transducers.

DESIGN FEATURES AND USER BENEFITS

Process Signal Compatibility: To provide output signal

compatibility, the 2B20 meets the requirements of the Instrument

Society of America Standard S50.1, "Compatibility of Analog Signals

for Electronic Industrial Process Instruments" for Type 3, Class L and

U, nonisolated current loop transmitters.

External Reference Use: For increased flexibility, when ratiometric

operation is desired, the 2B20 offers a capability of connecting an

external reference (i.e., from multiplying D/A converter) to the REF

terminal.

Wide Power Supply Range: A wide power supply range (+10V to

+32V dc) allows for operation with either a +12V battery, a +15V

powered data acquisition system, or a +24V powered process control

instrumentation.

1400 Providence Highway, Building #2

Norwood, MA 02062

Phone (781) 551-5500

FAX (781) 551-5555

www.intronicspower.com

2B20

IN2

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