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Description
SITRANS I300 was developed for intrinsically safe operation of 4-wire devices in the hazardous
area. Examples for 4-wire devices are Siemens flowmeters with Modbus output as well as
BACnet, or PROFIBUS RS 485-IS devices. The SITRANS I300 isolating power supply has to
be inserted between the EIA-485 Master and the flowmeter.
Figure 3-1
Application of the SITRANS I300
The SITRANS I300 limits the energy flow into the hazardous area. Therefore it prevents the
inflammation of a potentially explosive atmosphere.
SITRANS I300 Isolating power supply with EIA-485 interface
Operating Instructions, 01/2019, A5E45099319-AA
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