1 Safety
1.3.4. WARNING - The unit is sensitive to ESD!
253HAC030005-001 Revision: -
© Copyright 2006 ABB. All rights reserved.
1.3.4. WARNING - The unit is sensitive to ESD!
Description
ESD (electrostatic discharge) is the transfer of electrical static charge between two bodies at
different potentials, either through direct contact or through an induced electrical field. When
handling parts or their containers, personnel not grounded may potentially transfer high static
charges. This discharge may destroy sensitive electronics.
Elimination
Location of wrist strap button
The wrist strap button is located in the right corner as shown in the illustration below.
xx0600003249
Action Note
1. Use a wrist strap Wrist straps must be tested frequently to ensure
that they are not damaged and are operating
correctly.
2. Use an ESD protective floor mat. The mat must be grounded through a current-
limiting resistor.
3. Use a dissipative table mat. The mat should provide a controlled discharge of
static voltages and must be grounded.
A Panel Mounted Control Module
B Panel Mounted Drive Module
C Wrist strap button NOTE! When not used, the wrist strap must always be
attached to the wrist strap button.
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