Siemens SITRANS LR250 Kompaktbetriebsanleitung Seite 20

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)
Wiring instructions
1. Strip the cable jacket for approximately 70 mm (2.75") from the end of the cable, and thread the wires through the gland. (If
cable is routed through conduit, use only approved suitable-size hubs for waterproof applications.)
2. Connect the wires to the terminals as shown: SITRANS LR250 (FF) is not polarity sensitive.
3. Ground the device according to local regulations.
4. Tighten the gland to form a good seal.
5. Close the lid and secure the locking screw before programming and device configuration.
Note
Lid-lock set screw not applicable to 3-A Sanitary approved device.
18
(or NPT cable entry)
a) b) b)
④
c)
⑤
SITRANS LR250 (FOUNDATION FIELDBUS)
Cable shield
Ground terminal
A5E33472700-AA, 08/2014