Chapter 1 Overview - Mitsubishi Electric MELSEC-QS Series Safety Application Manual

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OVERVIEW

CHAPTER 1 OVERVIEW

This chapter describes the overview of the safety programmable controller.
The safety programmable controller has acquired certification of the highest safety level
(SIL3 of IEC 61508, Category 4 of EN 654-1, and Category 4 performance level "e" of EN
ISO 13849-1) applicable to programmable controllers.
The safety programmable controller can be used to construct a safety system meeting
requirements of these safety standards.
The system configuration diagram of the safety programmable controller is shown in
Figure 1.1.
• Mount a safety power supply module, a safety CPU module, and a CC-Link Safety
• Connect the CC-Link Safety master module and a CC-Link Safety remote I/O module to
• When performing safety communication, mount a CC-Link IE Field Network master/
• Connect a personal computer with GX Developer installed to the safety CPU module via
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master module on the safety main base unit.
a network.
local module (with safety functions) on the safety main base unit, and connect it to a
network.
USB when setting programs and parameters.