Manual Manual 37223E 37223E easYgen-3000 easYgen-3000 Series Series (Package (Package P1) P1) - - Genset Genset ControlControl
© © Woodward Woodward Page Page 9/679/67
Chapter 2.Chapter 2.
Electrostatic Discharge AwarenessElectrostatic Discharge Awareness
All electronic equipment is static-sensitive, some components more than others. To prAll electronic equipment is static-sensitive, some components more than others. To protect these componentsotect these components
from static damage, you must take special precautions to minimize or eliminate electrfrom static damage, you must take special precautions to minimize or eliminate electrostatic discharges.ostatic discharges.
Follow these precautions when working with or near the control.Follow these precautions when working with or near the control.
1.1.
Before doing maintenance on the electronic control, Before doing maintenance on the electronic control, discharge the static electricity on your body to discharge the static electricity on your body to groundground
by touching and holding a groundeby touching and holding a grounded metal object (pipes, cabinets, equipment, etc.).d metal object (pipes, cabinets, equipment, etc.).
2.2.
Avoid the build-up of static electriAvoid the build-up of static electricity on your body by not wearing clothing made of synthetic materials.city on your body by not wearing clothing made of synthetic materials.
Wear cotton or cotton-blend materials as much as possible because these do not store static electricWear cotton or cotton-blend materials as much as possible because these do not store static electric
charges as easily as synthetics.charges as easily as synthetics.
3.3. Keep plastic, vinyl, and Styrofoam materials (such as plastic Keep plastic, vinyl, and Styrofoam materials (such as plastic or Styrofoam cups, cigarette packages, cello-or Styrofoam cups, cigarette packages, cello-
phane wrappers, vinyl books or folders, plastic bottles, etc.) away from the control, modules, and workphane wrappers, vinyl books or folders, plastic bottles, etc.) away from the control, modules, and work
area as much as possible.area as much as possible.
4.4.
Opening the control cover may void the unit warranty.
Opening the control cover may void the unit warranty.
Do not remove the printed Do not remove the printed circuit board (Pcircuit board (PCB) from the control CB) from the control cabinet unless absolutely necessarycabinet unless absolutely necessary. If you. If you
must remove the PCB from the control must remove the PCB from the control cabinet, follow these precautions:cabinet, follow these precautions:
•• Ensure that Ensure that the device the device is completely is completely voltage-free (all convoltage-free (all connectors have nectors have to be discto be disconnected).onnected).
••
Do not Do not touch antouch any part y part of the of the PCB except PCB except the edgethe edges.s.
••
Do not touDo not touch the ch the electrical conductors, conelectrical conductors, connectors, or comnectors, or components wponents with conductive ith conductive devices or devices or with barewith bare
hands.hands.
•• When replacing a When replacing a PCB, keep the nePCB, keep the new PCB in thw PCB in the plastic antistatic protective e plastic antistatic protective bag it comes bag it comes in until youin until you
are ready to install it. Immediately after removing the old PCB from the control cabinet, place it in theare ready to install it. Immediately after removing the old PCB from the control cabinet, place it in the
antistatic protective bag.antistatic protective bag.
CAUTION
CAUTION
To prevent damage to electronic components caused by improper handling, read and observe the pre-To prevent damage to electronic components caused by improper handling, read and observe the pre-
cautions in Woodward manual 82715,cautions in Woodward manual 82715, Guide for Handling and Protection of Guide for Handling and Protection of Electronic Controls,Electronic Controls,
Printed Circuit Boards, and Modules.Printed Circuit Boards, and Modules.
NOTE
NOTE
The unit is capable to withstand an electrostatic powder coating process with a voltage of up to 85 kVThe unit is capable to withstand an electrostatic powder coating process with a voltage of up to 85 kV
and a current of up to and a current of up to 40 µA.40 µA.
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