ABB ACH 400, Руководство пользователя

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ACS/ACH 400 Direct N2 Bus Interface iii
Safety Instructions
Overview
This chapter states the safety instructions that
must be followed when installing into a network
and operating the direct N2 Bus interface.
The material in this chapter must be studied
before attempting any work on, or with, the unit.
Warnings and Notes
This manual incorporates two types of safety
instructions. Warnings are used to inform of
conditions which can, if proper steps are not
taken, lead to a serious fault condition, physical
injury and death. Notes are used when the
reader is required to pay special attention or
when there is additional information available
on the subject. Notes are less crucial than
Warnings, but should not be disregarded.
Warnings
Readers are informed of situations that can
result in serious physical injury and/or serious
damage to equipment with the following
symbols:
Dangerous Voltage Warning: warns of
situations in which a high voltage can cause
physical injury and/or damage equipment. The
text next to this symbol describes ways to
avoid the danger.
General Warning: warns of situations which
can cause physical injury and/or damage
equipment by means other than electrical. The
text next to this symbol describes ways to
avoid the danger.
Electrostatic Discharge Warning: warns of
situations in which an electrostatic discharge
can damage equipment. The text next to this
symbol describes ways to avoid the danger.