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6B21 Datasheet دیتاشیت PDF دانلود

دیتاشیت - Analog Devices - Field Configurable Analog Input

شماره قطعه 6B21
شرح مفصل Field Configurable Analog Input
تولید کننده Analog Devices 
آرم Analog Devices 


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6B21 شرح
Isolated, Field Configurable Analog Input
6B21
FEATURES
Module accepts commands from the host computer and
converts it into an isolated process current suitable for
interfacing with valves and actuators.
Complete microcomputer-based data acquisition systems.
Output range can be selected to either a 0 to 20 mA or 4 mA
to 20 mA process current.
RTD and thermocouple, and a wide variety of input ranges. This
reduces the number of different modules that need to be used
in a given application and carried in inventory.
FUNCTIONAL BLOCK DIAGRAM
APPLICATIONS
Process Monitoring & Control
Test Stand Automation
Machine Monitoring
Material Testing
Remote Energy Mangement
Laboratory Data Acquisition
PRODUCT OVERVIEW
Figure 1. 6B21 Functional Block Diagram
The 6B Series delivers sensor-to-host signal-conditioning for
Designed for industrial applications, the 6B Series modules
remote applications. Software-configurable for a wide variety of
incorporate transformer-based isolation with surface-mount
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sensor types, including: analog input, analog output, and digital
manufacturing technology – providing increased reliability at
I/O, the 6B Series is intended for remote data acquisition,
low cost. The compact, rugged 6B Series analog modules can be
machine monitoring, remote energy management and process
mixed and matched on a 16-channel backplane for high density,
monitoring and control applications.
remote process monitoring and control.
Including transformer-based isolation, ranging, linearization,
A/d conversion and RS-232C/RS-485 serial communication for
up to 256 channels per serial port, the 6B Series modules and
boards are a complete, low-cost interface between computers
and analog signals.
Communications between backplanes, modules and host is in
ASCII over an RS-232C link or RS-485 bi-directional serial bus.
Circuitry to convert RS-232C to RS485 is built into the 6B
backplane. Baud rates are software programmable, with speeds
up to 19.2 K Baud.
All 6B Series input/output modules are fully encapsulated and
identical in pin-out and size, facilitating their ability to be mixed
and matched with all other 6B Series modules on the same
backplane. The 6B Series is fully rated over the industrial
temperature range of -25oC to +85oC.
Each 6B Series module and board is a complete
microcontroller-based process monitoring and control system,
with all calibration, address and linearizing parameters stored in
non-volatile memory. Being microcontroller-based, 6b Series
modules can be configured for various sensor types, including
The 6B Series digital subsystem communication is compatible
with the overall 6B Series communication protocol. Each digital
I/O board can be configured for its address, baud rate and
checksum status. Connection to the 16 and 24-channel solid
state relay backplanes is by a 50-conductor ribbon cable. This
enables interfacing with input and outputs from 4 V to 240 V.
Power control modules are also available that can switch up to
3A and come with a variety of ratings for low voltage DC up to
280 VAC.
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective companies.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved.

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