Connecting Sitrans Lr250 - Siemens SITRANS LR250 Compact Operating Instructions

Connecting

5.2 Connecting SITRANS LR250

5.2 Connecting SITRANS LR250
Incorrect connection to power source
Risk to personnel, system and environment can result from improper power connection.
• The DC input terminals shall be supplied from a source providing electrical isolation
• All field wiring must have insulation suitable for rated voltages.
Loss of protection
Loss of approvals can result from improper connection.
• Check the nameplate on your device, to verify the approval rating.
• Use appropriate cable entry seals to maintain IP or NEMA rating.
• See Wiring setups for hazardous area installations (Page 34).
NOTICE
Improper cables and conduit
• Separate cables and conduits may be required to conform to standard instrumentation
30
WARNING
between the input and output, in order to meet the applicable safety requirements of
IEC 61010-1. For example, Class 2 or Limited Energy Source.
WARNING
wiring practices or electrical codes.
SITRANS LR250 with FOUNDATION FIELDBUS
Compact Operating Instructions, 09/2021, A5E48453221-AB