Siemens SITRANS VP300 Operating Instructions Manual page 20

Connecting device with type of protection "Intrinsic safety Ex i"
Device, intrinsic safety "Ex ia/ib"
Connection values can be found in section "Technical data (Page 27)".
Non-hazardous area
Potentially explosive atmosphere - Zone 1
①
Power supply/setpoint 4 to 20 mA
②
Digital sensor
③
Switch contact or short-circuit jumper
④
Terminals for optional position feedback module
⑤
Display module
DI Digital input
Figure 10 Device connection, intrinsic safety "Ex ia/ib"
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SITRANS VP300 (6DR63..)
A5E03359515-01, 03/2011