Rockwell Automation Publication CC-QS038A-EN-P - August 2015 7
Preface
About This Publication
The Guardmaster® 440C-CR30 configurable safety relay building block monitors the status of the 440C-CR30 safety relay
through a Modbus RS-232C interface. This quick start provides instructions for how to connect the Micro800®
programmable logic controller (PLC) with the safety relay for status updates. Use this quick start to configure a monitoring
system for your 440C-CR30 safety relay.
To help with the design and installation of your system, application files and other information are provided on the
Connected Components Accelerator Toolkit (CCAT). The CCAT provides bills of materials (BOM), CAD drawings for
panel layout and wiring, control programs, human machine interface (HMI) screens, and more. With these tools and the
built-in best-practices design, you are free to focus on the design of your machine control and not on design overhead tasks.
The CCAT is available on the Connected Components Accelerator Toolkit DVD, publication CC-QR002, or through
the Rockwell Automation Software Download and Registration System (SDRS) site at
http://www.rockwellautomation.com/rockwellautomation/products-technologies/connected-components/tools/
accelerator-toolkit.page.
The beginning of each chapter contains the following information. Read these sections carefully before you begin work in
each chapter:
• Before You Begin - The chapters in this quick start do not have to be completed in the order in which they appear.
However, this section defines the minimum amount of preparation that is required before completing the current
chapter.
• What You Need - This section lists the tools that are required to complete the steps in the current chapter,
including, but not limited to, hardware and software.
• Follow These Steps - This section illustrates the steps in the current chapter and identifies the steps that are required
to complete the examples.
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