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General technical specifications
1.2 ESD Directives
1.1.15.3
Connector X1 (only for UR5113 6DD1682-0CH2)
The cable wired to connector X1 on the rack must be shielded. The shield should be
terminated as close as possible to connector X1. You may connect conductor cross-sections
from 0.5 mm
Note: Make allowances for increased conductor cross-sections when using flexible cables
with wire end ferrules. It is recommended to use flexible cables (0.75mm
ferrules.
1.2
ESD Directives
1.2.1
What is ESD?
Almost all of the SIMATIC TDC modules contain highly integrated components. Due to their
technology, these components are highly sensitive to overvoltage and, therefore, to ESD.
ESD
The abbreviation stands for electrostatic discharge
Modules equipped with such components are identified by the following warning label on
component side:
Electrostatic sensitive components can be destroyed by voltages and power levels far below
human perception. Components or modules are possibly exposed to such voltages when
touched by humans who have not been not electrostatically discharged. Following such
voltage peaks, it is usually impossible to identify malfunction of the component immediately,
as it needs an extended operating time before such malfunctions are disclosed.
34
to 1.5 mm
.
2
2
) with wire end
2
SIMATIC TDC hardware
System Manual, 12/2013, A5E01114865-07
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