Connecting
5.2 Connecting SITRANS LR250
SITRANS LR250 (PROFIBUS PA)
42 Operating Instructions, 08/2014, A5E32221386-AC
Incorrect connection to power source
Danger to personnel, system and environment can result from improper power connection.
• 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.
Loss of approvals can result from improper installation.
• Check the nameplate on your device, to verify the approval rating.
• Use appropriate conduit seals to maintain IP or NEMA rating.
• See Wiring setups for hazardous area installations (Page 45).
Improper cables and conduit
• Separate cables and conduits may be required to conform to standard instrumentation
wiring practices or electrical codes.