WARNING
Unprotected cable ends
Risk of e
xplosion through unprotected cable ends in hazardous areas.
• Protect unused cable ends in accordance with IEC/ENî™ 60079-14.
WARNING
Insu󹪟cient isolation of intr
insically safe and non-intrinsically safe circuits
Risk of explosion in hazardous areas.
• When connecting intrinsically safe and non‑intrinsically safe circuits ensure that isolation is
carried out properly in accordance with local regulations for example IECî™ 60079-14.
• Ensure that you observe the device approvals applicable in your country.
6.1.2 Connecting or disconnecting in explosive environments
WARNING
Connecting or disconnecting in explosive environments
Connecting or disconnecting a po
wered device in explosive environments can lead to an
explosion.
• Connect and disconnect in non-explosive environments.
- or-
• Remove power to the device before connecting or disconnecting in explosive atmosphere.
WARNING
Connecting or disconnecting device in energized state
Risk of e
xplosion in hazardous areas.
• Connect or disconnect devices in hazardous areas only in a de-energized state.
• Install a suitable switch-o󹪜 device.
Exceptions:
• Devices having the type of protection "Intrinsic safety Ex i" may also be connected in
energized state in hazardous areas.
Connecting
6.1î™ Basic safety notes
SITRANS LR500 series with mA/HART
50 Operating Instructions, 03/2024, A5E51099898-AA