Analog modules
9.3 SM 336; F-AI 6 x 0/4 ... 20 mA HART
Fail-safe signal modules
Installation and Operating Manual, 01/2010, A5E00085586-10
247
Current measurement 0/4 to 20 mA with 2-wire and 4-wire transducer, transducer via one channel, for
application 5
Three process signals can be connected to a module in this interconnection variant. Sensor
supply Vsn is provided by the module for 3 channels. The sensors can also be connected to
an external sensor supply (see Figure
External sensor supply, 4-wire transducer for
SM 336; F-AI 6 x 0/4 ... 20 mA HART
in Chapter " Properties, front view, wiring diagram and
block diagram (Page 224) ").
Interconnection types A to D can be u
sed for this application.
60
$,[P$+$57
/
0
9V
0
0
9V
0
0
9V
0
0
9V
0
0
9V
0
0
9V
0
0
/
0
3
&+
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ZLUH
WUDQVGXFHU
Figure 9-33 1oo2 evaluation, single-channel transducer
WARNING
To achieve SIL3/Cat.4/PLe using this wiring, you must use a suitably qualified sensor.
Note
If you are using
SIMATIC PDM
as the engineering tool for your HART field device, create a
HART field device only for the channel with the lower channel number.
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