1 Safety1.3.4. 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!DescriptionESD (electrostatic discharge) is the transfer of electrical static charge between two bodies atdifferent potentials, either through direct contact or through an induced electrical field. Whenhandling parts or their containers, personnel not grounded may potentially transfer high staticcharges. This discharge may destroy sensitive electronics.EliminationLocation of wrist strap buttonThe wrist strap button is located in the right corner as shown in the illustration below.xx0600003249Action Note1. Use a wrist strap Wrist straps must be tested frequently to ensurethat they are not damaged and are operatingcorrectly.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 ofstatic voltages and must be grounded.A Panel Mounted Control ModuleB Panel Mounted Drive ModuleC Wrist strap button NOTE! When not used, the wrist strap must always beattached to the wrist strap button.Continues on next page