Siemens SITRANS LR 200 Kurzanleitung Seite 8

Wiring
1
Power
WARNINGS:
DC terminals shall be supplied from an SELV
with IEC-1010-1 Annex H.
All field wiring must have insulation suitable for rated voltages.
Connecting SITRANS LR 200 (PROFIBUS PA)
Note:
For detailed wiring instructions, please see the full manual.
1. If you want to rotate the instrument on the process
connection, use the 2 mm Allen key provided to loosen
the locking ring (see illustration on page 2).
3 Use the Allen key to loosen the lid-lock set screw.
Using a screwdriver for leverage if necessary, unscrew the cover.
4. Connect the wires to the terminal as shown: the polarity is identified on the terminal
block.
5. Ground the instrument according to local regulations.
6. Ground the shield according to PROFIBUS PA guidelines.
7. Close the lid and secure the locking ring before programming and calibration. Do not
rotate the instrument after calibration, as this may cause an error.
Note:
PROFIBUS PA MUST be terminated at both extreme ends of the cable for it to work
properly. Please refer to the PROFIBUS PA User and Installation Guidelines (order number
2.092), available from www.profibus.com
1.
Safety Extra Low Voltage
2.
For general purpose applications:
- ground the shield at one point only and continue the shield from device to device.
For Intrinsically Safe applications:
- ground the shield at each device, and use an equal-potential grounding grid.
For more detail on Explosion Protection, you can download the brochure
Explosion Protection
Page EN-6 SITRANS LR 200 (PROFIBUS PA) – QUICK START MANUAL
2 mm lid-lock set
screw.
(part number A5E00265440) from https://pia.khe.siemens.com/index.asp?Nr=4236 .
1
source in accordance
2
2
Siemens Process Automation
7ML19985QG81