20 Introduction to the manual
Supported safety functions
This manual provides instructions for creating the following safety functions
(according to EN/IEC 61800-5-2) for the ACS880/DCS880 drives:
• Safe torque off (STO) – standard feature in the ACS880/DCS880 drives, see
page 67
• Safe brake control (SBC), see page 49
• Safe stop 1 (SS1), see page 79
• Safely-limited speed (SLS), see page 140
• Variable Safely-limited speed (SLS), with PROFIsafe only, see page 172.
• Safe speed monitor (SSM), see page 182.
• Safe direction (SDI), see page 186.
Additional safety functions (not specified in EN/IEC 61800-5-2):
• Safe stop emergency (SSE), see page 106
• Safe maximum speed (SMS), see page 177
• Prevention of unexpected start-up (POUS), see page 180.
Target audience
The manual is intended for qualified persons who design the safety application, plan
the installation as well as install and commission the safety application. Read the
manual before starting work on the safety application. You must know the
fundamentals of safety technology, electricity, wiring, electrical components and
electrical schematic symbols.
Purpose of the manual
The manual explains how to install the FSO safety functions module and configure
and commission the supported safety functions. It describes how to meet and
maintain safety life cycle requirements of the FSO module to ensure required safety
performance and specified safety integrity.
Drive-specific technical, configuration and installation details are in the drive
hardware manual (see List of related manuals on page 2).
Contents
Chapter Safety instructions (page 13) explains the usage of warning symbols in this
manual and the safety instructions which you must obey when you install or connect
an option module to a drive or inverter.
Chapter Introduction to the manual (this chapter, page 17) states exclusion of liability
and describes the applicability, compatible products, supported safety functions,
target audience and purpose of the manual.