II - DCE FEL ČVUT v Praze

4.6 HART Analog Input Module SM 331; AI 2 x 0/4...20mA HART
In this section
Order number
Features
I/O Modules with Intrinsically-Safe Signals
C79000-G7076-C152-04
This section provides you with the properties, the technical data, and a wiring
diagram.
6ES7 331-7TB00-0AB0
The analog input module SM 331; AI 2 x 0/4...20mA HART has the
following properties:
2 inputs in 2 channel groups
2 outputs to power 2-wire measuring transducers
Measured value resolution; can be set for each channel individually (see
analog values and resolution on the following page).
Measurement type can be selected for each channel:
– HART (2-wire transducer or 4-wire transducer for current)
– 2-wire or 4-wire transducer for current (used without HART)
– Channel deactivated
Measuring range selectable for each channel
– 0 ... 20 mA (only for 4-wire transducers used without HART)
– 4 ... 20 mA
Settings for diagnostics and diagnostic interrupt
– Group diagnostics
– Wire-break monitoring
– Diagnostic interrupt
SIMATIC S7 HART Analog Modules
Settings for hardware interrupt
– Channels 0 and 1 with limit monitoring: hardware interrupt can be set
to trigger if limit is exceeded
– Hardware interrupt can be set for cycle end
Isolation
– Channels electrically isolated from each other
– Channels electrically isolated from CPU and load voltage L+
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