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ROC827 Instruction Manual
Issued Mar-06 General Information 1-17
DS800 Development Suite software allows programming in all five of the
IEC 61131-3 languages:
Ladder Logic Diagrams (LD).
Sequential Function Chart (SFC).
Function Block Diagram (FBD).
Structured Text (ST).
Instruction List (IL).
A Flow Chart language provides a sixth programming language. With
these six languages, FSTs, and built-in functionality, you can configure
and program the ROC827 in an environment in which you are
comfortable.
You can download and implement programs developed in the DS800
Development Suite software in the ROC827 in addition to—or as an
alternative to—FST programs. DS800 software has definite benefits for
programmers who prefer to use the IEC 61131-3 languages, who desire to
multi-drop units in a distributed architecture, or who desire enhanced
program diagnostics capabilities.
Additional DS800 Development Suite software features include:
Cross-reference (bindings) between variables in separate ROC827
units.
Variable Dictionary.
Off-line simulation for diagnostics and testing.
On-line modification of programs.
On-line debugging of programs.
Locking and forcing of variables.
User developed functions and function blocks.
User defined templates.
Creation and support of user defined libraries.
1.7 Expanded Backplane
The expanded backplane is a key component to the ability of the ROC827
to expand its I/O capabilities to meet your needs. The ROC827 base unit
can accommodate up to four additional expanded backplanes, which easily
snap together. This increases the total number of available I/O slots to 27.
Refer to Chapter 2, Installation and Use, for instructions on adding
backplanes to the ROC827 base unit. Refer to Chapter 3, Power
Connections, to assess the power requirements for any particular I/O
configuration.