Siemens Sinumerik 840D Series Function Manual page 10
Hla module
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Also See for Sinumerik 840D Series:
- Function manual (920 pages) ,
- Diagnostics manual (714 pages) ,
- Operating turning (713 pages)
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Preface
ESD notices
x
Electrostatic Sensitive Devices
Components which can be destroyed by electrostatic discharge are individual
components, integrated circuits or boards which, when handled, tested or
transported, could be destroyed by electrostatic fields or electrostatic
discharge. These components are designated as ESDS (ElectroStatic
Discharge Sensitive Devices).
Handling of modules containing devices sensitive to electrostatic discharge:
S
When handling components which can be destroyed by electrostatic
discharge, it must be ensured that personnel, the workstation and
packaging are well grounded,.
S
As a general principle, electronic modules should only be touched if this is
absolutely unavoidable (owing to repair work, etc.).
S
Touch components only if
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you are constantly grounded by an antistatic armband,
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you are wearing ESD boots or ESD boots with grounding strips in
conjunction with ESD flooring.
S
Modules may be placed only on electrically conductive surfaces (table with
ESD top, conductive ESD foam plastic, ESD packing bags, ESD transport
containers).
S
Keep modules away from visual display units, monitors or TV sets
(minimum distance from screen > 10 cm).
S
Do not bring ESD-sensitive modules into contact with chargeable and
highly-insulating materials, such as plastic, insulating table tops or clothing
made of synthetic materials.
S
Measurements on modules are allowed only if
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the measuring instrument is properly grounded (e.g. equipment
grounding conductor), or
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before measuring, with an isolated measuring instrument, the
measuring head is briefly discharged (e.g. touching a bare metal control
housing).
S
Closed-loop control modules, option modules and memory submodules
may only be held by the front plate or on the board edges.
SINUMERIK 840D/SIMODRIVE 611 digital, HLA Module (FBHLA) - 10.03 Edition
Siemens AG, 2003. All rights reserved
10.03
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