Siemens SITRANS LR250 Instrucciones De Servicio Resumidas página 20

5.2 Connecting SITRANS LR250
WARNING
Incorrect connection to power source
Danger to personnel, system and environment can result from improper power connection.
The DC input terminals shall be supplied from a source providing electrical isolation between the input and output, in
•
order to meet the applicable safety requirements of IEC 61010-1.
All field wiring must have insulation suitable for rated voltages.
•
WARNING
Loss of protection
Loss of approvals can result from improper installation.
Check the nameplate on your device, to verify the approval rating.
•
Use appropriate conduit seals to maintain IP or NEMA rating.
•
See Wiring setups for hazardous area installations (Page 20).
•
NOTICE
Improper cables and conduit
Separate cables and conduits may be required to conform to standard instrumentation wiring practices or electrical
•
codes.
①
Use a 2 mm Allen key to loosen the lid-lock set screw
②
Plug (IP68)
③
Optional cable gland
May be shipped with the device.
a)
If cable is routed through conduit, use only approved suitable-size hubs for waterproof applications.
b)
Not applicable to 3-A Sanitary approved device.
c)
18
(or NPT cable entry)
a) b) b)
④
c)
⑤
Cable shield
Ground terminal
SITRANS LR250 (mA/HART)
A5E33469191-AA, 08/2014