Din Rail Mount Digital Transmitters |
| DIN-100 OMEGABUS® |
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Complete Sensor to RS-485 Interface
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500V RMS Analog Input Isolation
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15-Bit Measurement Resolution
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Continuous Self-Calibration;
No Adjustments of any Kind
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Programmable Digital Filter
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Process Monitoring and Control
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Remote Data Logging to any Host Computer
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Product Testing
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Interface to PLC
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Requires +5VDC Supply
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Transient Suppression on RS-485 Communications Lines
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Screw Terminal Plug Connectors Supplied
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View related products - USB, RS232, RS485 and Ethernet Data Acquisition Systems
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The DIN-100 Sensor to Computer
Modules are a family of data
acquisition modules that convert
analog input signals to serial data
and transmit via RS-485 to a master
unit which may be a computer or
other processor-based equipment.
The modules can measure
temperature, bridge inputs, voltage,
current, digital input or digital output
signals. The modules provide direct
connection to a wide variety of
sensors and perform all signal
conditioning, scaling, linearization
and conversion to either linearized
ASCII data values or Modbus RTU
data values. Features such as
address, baud rate, parity, echo,
etc., are selectable using simple
commands from your serial port.
The selections are stored in
nonvolatile EEPROM which
maintains data even after power
is removed.
The key to the DIN-100 Series is
that the modules are easy to use.
You do not need engineering
experience in complicated data
acquisition hardware. With these
modules, anyone familiar with a
personal computer can construct a
data acquisition system. This
modular approach to data
acquisition is extremely flexible,
easy to use and cost effective. Data
is acquired on a per channel basis
so you only buy as many channels
as you need. The modules can be
mixed and matched to fit your
application. They can be placed
remote from the host and from each
other. You can string up to 247
modules on a twisted pair of wires
by using RS-485 with repeaters.
All modules are supplied with screw
terminal plug connectors. The
connectors allow system expansion,
reconfiguration or repair without
disturbing field wiring. No charge
utility software is available to make
the DIN-100 modules easier to learn
and use.
THEORY OF OPERATION
Each module is a complete singlechannel
data acquisition system.
Each unit contains analog signal
conditioning circuits optimized for a
specific input type. Sensor signals
are converted to digital data with a
microprocessor-controlled
integrating A/D converter. Offset
and gain errors in the analog
circuitry are continuously monitored
and corrected using microprocessor
techniques. The DIN-100 module
converts the digital signal data and
stores the resultant data in a
memory buffer. The modules
continuously convert data at the rate
of 8 conversions per second and
store the latest result in the buffer.
Host processors may request data
by sending a query to the module.
The DIN-100 module will instantly
respond by communicating the
memory buffer data back to the host
processor. Up to 247 modules may
be linked to a single RS-485 port.
Each module on a serial line is
identified by a unique userprogrammable
address. This
addressing technique allows
modules to be interrogated in any
order.
DIGITAL INPUTS/OUTPUTS
DIN-170 digital output modules
contain open-collector transistor
switches that may be controlled by
the host processors. These
switches may be used to control
solid-state relays which in turn may
control heaters, pumps and other
power equipment. The digital inputs
may be read by the host processor
and used to sense the state of
remote digital signals. They are
ideal for sensing the state of limit or
safety switches.
DIGITAL FILTER
The DIN-100 analog input modules
include two unique programmable
single pole digital filters. The filter is
used to smooth analog data in noisy
environments. Separate time
constants may be specified for small
and large signal changes. Typically
a large time constant is specified for
small signal changes to filter out
noise and provide stable output
readings. A smaller time constant
may be chosen for large signal
changes to provide fast response to
such changes.
UTILITY SOFTWARE
Complimentary Utility Software is
included with each purchase order.
The software is compatible with
Windows XP, Vista, 7 and 8
operating systems and distributed
on CD-ROM. The Utility Software
simplifies configuration of all user-selectable
options such as device
address, baud rate and filtering
constants. The latest version of the
software is always downloadable
from our web site.
PROCESS CONTROL SOFTWARE
Modbus RTU protocol is supported
by virtually all commercial process
control software programs available
today.
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† Price are shown in RMB.
Note: Comes complete with operator's manual and utility software on CD.
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