Safety Notes For Connecting - Siemens SITRANS FC410 Operating Instructions Manual

Connecting

5.3 Safety notes for connecting

See also specifications of cable lengths in Wiring FC410 to the Modbus system (Page 48).
Cable requirements
Cables must be suitable for the temperature (at least 70 °C) and be flammability-rated to at
least V-2.
Unprotected cable ends
Danger of explosion through unprotected cable ends in hazardous areas.
• Protect unused cable ends in accordance with IEC/EN 60079-14.
5.3 Safety notes for connecting
Skills
Only qualified personnel may carry out work on the electrical connections.
Use in hazardous locations
Before accessing the sensor terminal compartment and application terminal compartment
check that:
● No explosion hazard exists
● FC410 may not be opened if energized
● A safe access permission certificate has been issued by plant operations management
● All connection leads are potential free
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WARNING
WARNING
WARNING
WARNING
Commissioning
Only commission the device after the device has been properly connected and closed.
Operating Instructions, 02/2016, A5E33120874-AC
FC410 with Modbus