Page 16 CWT Compact Touch Installation and Maintenanace Manual Issue 13
3.6.2 Avoiding ESD damage
Rule number 1: Prevent charge build-up!
Plastic packaging and other large plastic objects can transfer charges to
conductive objects, which can then damage components. Except for special anti-
static plastic, all plastic must be kept away from unconnected printed circuit
board assemblies.
Rule number 2: If you need to work with electronic components or modules,
connect yourself through a wristband to a grounded part inside the terminal.
Avoid touching connector pins/poles and components on printed circuit board
assemblies.
Ensure that all components containing electronic parts are always stored in an
ESD protection bag when handled outside the terminal.
Remember that the bags’ insulating properties gradually wears out. Always use
a new bag.
The following ESD protection accessories can be ordered from Cale Access AB.
0401-E0360 Wristband (for connection to the ticket terminal cabinet)
0040-07012 ESD bag, small (fits print head and coin verifier, etc.)
0040-07013 ESD bag, large (fits CPU board etc.)
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