Introduction To The Manual; Contents Of This Chapter; Applicability; Target Audience - ABB Q951 User Manual

Introduction to the manual

Contents of this chapter

This chapter describes the manual in short and gives some general information for the
reader. This chapter also contains a quick reference guide for implementing a safety system.

Applicability

This manual is applicable to ACS880 liquid-cooled drives which have one of these options:
• Emergency stop, stop category 0 with main contactor/breaker, with safety relays and
push button monitoring (option +Q951+Q984), or
• Emergency stop, stop category 1 with main contactor/breaker, with safety relays and
push button monitoring (option +Q952+Q984).
Note: The contents of this manual are applicable only to drives with push button monitoring
(option +Q984). There are separate manuals for options +Q951 and +Q952, which are not
applicable when combined with option +Q984.
This manual shows the default design of the safety circuit. The actual design can be different
from the default design because of customer-defined modifications. Always refer to the
documentation delivered with the drive.

Target audience

This manual is intended for people who install, commission, use and service the safety
function. Read the manual before working on the unit. You are expected to know the
fundamentals of electricity, wiring, electrical components, electrical schematic symbols, and
functional safety.
Introduction to the manual 11
2