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Siemens Sitrans LR250 - Wiring Setups for Hazardous Area Installations

Siemens Sitrans LR250
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5.3 Wiring setups for hazardous area installations
SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 08/2014, A5E32221386-AC
45
5.3
Wiring setups for hazardous area installations
There are three wiring options for hazardous area installations:
Intrinsically safe wiring (Page 46)
Non-sparking wiring (Page 49)
Non-incendive wiring (US/Canada only) (Page 49)
In all cases, check the nameplate on your device, confirm the approval rating, and perform
installation and wiring according to your local safety codes.
PLC configuration with PROFIBUS PA for hazardous areas
PLC (active)
PC/laptop
Ex ia type DP/PA coupler
Ex ia device

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