Chapter 4 Analog Input Manual VIPA System SLIO
4-2 HB300E - SM - Rev. 09/38
General
For analog signals you should use screened cables to reduce interference.
The cable screening should be grounded at both ends. If there are
differences in the potential between the cable ends, there may occur a
potential compensating current that could disturb the analog signals. In this
case you should ground the cable screening only at one end.
Depending on the module the following sensors may be connected to the
analog input modules:
• Current sensor
• Voltage sensor
• Resistance-type sensors
• Temperature sensors
Note!
Please take care of the correct polarity when installing the sensors! Please
install short circuits at non-used inputs by connecting the positive contact
with the channel ground of the according channel.
The modules may be parameterized by hardware configuration respectively
at run time by means of SFCs.
The modules have diagnostics capability. The following errors can release
a diagnostic:
• Error in parameterization
• Measuring range over-/underflow
Cables for analog
signals
Connecting
sensors
Parameterization
Diagnostic
functions
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