ABB ACSM1 Hardware Manual page 7

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Depending on the external wiring, dangerous voltages (115 V, 220 V or 230 V)
may be present on the terminals of the relay output(s) of the drive.
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The drive supports the "Safe Torque Off" function. See page 40.
WARNING! Ignoring the following instructions can cause physical injury or death, or
damage to the equipment.
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The drive is not field repairable. Never attempt to repair a malfunctioning drive;
contact your local ABB representative or Authorized Service Center for
replacement.
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Make sure that dust from drilling does not enter the drive during the installation.
Electrically conductive dust inside the drive may cause damage or lead to
malfunction.
•
Ensure sufficient cooling.
WARNING! The printed circuit boards contain components sensitive to electrostatic
discharge. Wear a grounding wrist band when handling the boards. Do not touch
the boards unnecessarily.
7
Safety instructions