Siemens SITRANS LR200 Guia De Inicio Rapido página 9

Wiring
Power
WARNINGS:
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.
Connecting SITRANS LR200
WARNINGS:
• Check the device nameplate and process device tag, to verify the approval rating.
• Use appropriate conduit seals to maintain IP or NEMA rating.
Instructions specific to hazardous area installations
• Read
Notes:
• For detailed wiring instructions, please refer to the full Instruction Manual.
• PROFIBUS PA must be terminated at both extreme ends of the cable for it to work prop-
erly.
• Please refer to the
available from www.profibus.com, for information on installing PROFIBUS devices.
Use a 2 mm Allen key to
loosen the lid-lock set screw.
plug (IP 68)
optional cable gland
(or NPT cable entry
1) Strip the cable jacket for approximately 70 mm (2.75") from the end of the cable, and thread
the wires through the cable gland
2) Connect the wires to the terminal as shown. (SITRANS LR200 is not polarity sensitive.)
3) Ground the device according to local regulations.
4) Tighten the cable gland to form a good seal.
5) Close the lid and secure the locking ring before programming and device configuration. Do
not rotate the device after it has been configured, as this may cause an error.
1)
May be shipped with the device.
2)
If cable is routed through conduit, use only approved suitable-size hubs for waterproof applications.
3)
The device shield connection is internally connected to the external ground lug.
A5E32153438 SITRANS LR200 (PROFIBUS PA) – QUICK START MANUAL
PROFIBUS PA User and Installation Guidelines
1) 2)
2)
)
1) 2)
.
on page 11.
(order number 2.092),
3)
device shield
3)
connection
cable shield
external
ground lug
Page EN-7