Operating Instructions

Table Of Contents
NOTICE
Improper cables and conduit
Separate cables and conduits may be required to conform to standard instrumentation
wiring practices or electrical codes.
1
4
5
2
3
Use a 2 mm Allen key to loosen the lid-lock set screw
c)
Cable shield
Plug (IP68) Ground terminal
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
applications.
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, 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: the polarity is identified on the terminal block.
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.
Connecting
5.2 Connecting SITRANS LR250
SITRANS LR250 with mA/HART
38 Operating Instructions, 10/2019, A5E32220602-AG