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LAUER PCS 091 User Manual

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44
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© Systeme Lauer GmbHMODBUS 1-direct driver
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C
Communication
C3.Cables
C3.1 PCS 780 adapter cable
The connection is made via a programmable controller MODBUS 1 interface (RS-
232).
C3.2Screening
The screen should be connected on both sides to a metal coated connector case.
The screen can also be connected to pin 1 when using non-metal coated connector
cases. However, this is not recommended for error-technical reasons. There, the
data lines should be covered as completely as possible by the screen! With
grounding at both sides is to be noted however that possibly (because of ground
potential shifts) a potential compensation wire is required having at least 10 times
the screen cross section (reason: compensation currents should not flow through
the cable screen if possible!). This applies particularly if PCS and programmable
controller are not connected to the same earthing point. This is for example valid
where the PCS and programmable controller are not housed in one switching
cabinet!

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LAUER PCS 091 Specifications

General IconGeneral
BrandLAUER
ModelPCS 091
CategoryController
LanguageEnglish