Section 1: Introduction Page 1
PM9112C Revision 1
The Model 9112 Communication Bridge is a user
programmable device that allows different types of
products to exchange data.
Two serial communication ports provide
both RS-232 and RS-485 hardware
interfaces. Each port can be configured
for compatibility with various devices
including servo drives, instrumentation,
and programmable logic controllers.
Optional interface modules allow the 9112
to connect with devices that have
specialized hardware interfaces.
The operation of the 9112 is determined by the software
configuration or project that has been downloaded to it.
This Product Manual describes the Data Control Project.
Block Diagram of internal architecture
The 9112 is configured and programmed using
ProjectMaker 9112 Windows™ based off-line
software. The project designer can customize the
9112 to fit the current application. Project files are
downloaded to the 9112 using the computers serial
communication port and are internally stored in
secure Flash memory.
Operational overview:
A Data Control Project can pass data between
various devices but also has the ability to internally
store data and perform advanced operations on
data. The movement and manipulation of data is
decision based using logic block that resembles
ladder logic programming.
The internal architecture of the 9112, as an option, provides both retentive and non-retentive memory areas that
can be used for data storage. The project designer allocates internal memory by creating a database. A database
associates a data resource to an assigned label name. The resource may be an internal memory address, an
external device address, or a constant value or string.
As previously stated the movement and manipulation of data is defined within logic blocks that are created by the
project designer. A logic block is an eight by eight matrix that allows logic elements to be placed using a drag and
drop method. Up to 254 logic blocks are available. Each element within a logic block has an associated parameter
file. The project designer sets the parameters by dragging and dropping database labels or entering fixed values
or text. An extensive set of logic elements are provided that include advanced math with trigonometric functions,
file processing, string manipulation, data testing, boolean logic, plus contacts and coils
