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Analog Devices Semiconductor Electronic Components Datasheet

6B50-2 Datasheet

(6B50-1/-2) Field Configurable Digital I/O

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6B50-2 pdf
Isolated, Field Configurable Digital I/O
FEATURES
Single-channel isolated signal-conditioning modules.
Accepts outputs from Thermocouple, millivolt, volt and
current signals.
Complete microcomputer-based data acquisition systems.
Can be remotely reconfigured for various sensor types and
input ranges.
APPLICATIONS
Process Monitoring & Control
Test Stand Automation
Machine Monitoring
Material Testing
Remote Energy Mangement
Laboratory Data Acquisition
PRODUCT OVERVIEW
The 6B Series delivers sensor-to-host signal-conditioning for
www.DataSheet4U.com remote applications. Software-configurable for a wide variety of
sensor types, including: analog input, analog output, and digital
I/O, the 6B Series is intended for remote data acquisition,
machine monitoring, remote energy management and process
monitoring and control applications.
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.
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
RTD and thermocouple, and a wide variety of input ranges. This
reduces the number of different modules that need to be used
6B50-1 / 6B50-2
in a given application and carried in inventory.
FUNCTIONAL BLOCK DIAGRAM
Figure 1. 6B50-1 & 6B50-2 Functional Block Diagram
Designed for industrial applications, the 6B Series modules
incorporate transformer-based isolation with surface-mount
manufacturing technology – providing increased reliability at
low cost. The compact, rugged 6B Series analog modules can be
mixed and matched on a 16-channel backplane for high density,
remote process monitoring and control.
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.
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.


Analog Devices Semiconductor Electronic Components Datasheet

6B50-2 Datasheet

(6B50-1/-2) Field Configurable Digital I/O

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6B50-2 pdf
GENERAL DESCRIPTION
The 6B50-1 and 6B50-2 are 24-channel digital I/O boards
which are compatible with the 6B Series Signal-Conditioning
Modules at the network level. Each converts commands from
the host computer into logic levels suitable for interfacing with
industry-standard opto-isolated digital I/O panels. All I/O
channels can be configured for input or output, using bit or byte
addressing. In addition, the status of the port can be read back
by the host to confirm the I/O configuration
Synchronized Sampling – The synchronized sampling
command allows data to be sampled simultaneously from all
6B11, 6B11HV, 6B12, 6B12HV modules and all 6B50 boards in a
6B Series system. Each module or board stores the data in a
separate register within its microcontroller and can access the
data with a separate command.
Software Configuration – The 6B50-1 and 6B50-2 can be
.
6B50-1 / 6B50-2
software-configured for address, baud rate, data format,
checksum status and I/O configuration. All programmable
parameters are stored in the nonvolatile memory of each digital
I/O board.
An on-board microcontroller communicates with the host
through an RS-232C port (Model 6B50-2 or with a 6B Series
backplane through an RS 485 port (Model 6B50-1) to exchange
command and status information.
An included EEPROM stores system parameters (address, baud
rate, checksum, etc.) as well as I/O configuration information.
The microcontroller is interfaced to 8-bit latches and buffers a
maximum of 24 digital i/o channels. Each channel can be
individually set as either an input or output. The 6B50-1 and
6B50-2 are 3.47-inch x 6.5-inch open boards that can be panel
or rack mounted.
.
Figure 2
Rev. 0 | Page 2 of 8


Part Number 6B50-2
Description (6B50-1/-2) Field Configurable Digital I/O
Maker Analog Devices
Total Page 8 Pages
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