Siemens SITRANS L, Руководство по эксплуатации, Страница: 37 / 269

Connecting
5.2 Connecting SITRANS LR250
SITRANS LR250 with FOUNDATION FIELDBUS
Operating Instructions, 09/2021, A5E32221411-AH
37
WARNING
Loss of protection
Loss of approvals can result from improper connection.
•
Check the nameplate on your device, to verify the approval rating.
• Use appropriate cable entry seals to maintain IP or NEMA rating.
• See Wiring setups for hazardous area installation (Page 39).
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
c)
④ Cable shield
② Plug (IP68) ⑤ Ground terminal
③ Optional cable gland
a) b)
(or NPT cable entry)
b)
a)
May be shipped with the device.
b)
If cable is routed through conduit, use only approved suitable-size hubs for waterproof ap-
plications.
c)
Not applicable to 3-A Sanitary approved device.
Wiring instructions
1. Strip the cable jacket for approximately 70 mm (2.75") from the end of the cable.
2. Thread the wires through the gland. (If cable is routed through conduit, use only approved
suitable-size hubs for waterproof applications.)
3. Strip/remove conductor jacket to 8 mm from end.
4. Connect the wires to the terminals as shown: SITRANS LR250 (FF) is not polarity sensitive.
5. Terminal block suggested screw torque: 7.0 lb-inch.