SITRANS LR250 with FOUNDATION FIELDBUS
40 Compact Operating Instructions, 09/2021, A5E48453221-AB
6.1 Basic safety information
Loss of explosion protection
Risk of explosion when device is not properly commissioned
If opening device
• Isolate from power.
- or -
• Ensure that the atmosphere is explosion-free (hot work permit).
Ensure device is properly closed before returning to operation.
6.2 Programming SITRANS LR250
Out of the box, SITRANS LR250 will not begin measurements, and all blocks will be Out of
Service until the device has been configured via the local user interface (LUI), or a remote
configuration tool.
Follow these steps to configure the device via the LUI:
• Power up the device.
• The LCD at startup will show LANGUAGE. Edit or cancel this selection. When complete,
the device will show QUICK START.
• Complete the Quick Start Wizard (see Quick Start Wizard via the handheld programmer
(Page 49)). Completing the Quick Start Wizard or writing any parameter via the LUI causes
the device to begin measuring. The Resource Block (RES) and Level Transducer Block (LTB)
will move to Automatic mode.
• AIFB 1 and AIFB 2 will remain Out of Service (as displayed on the LCD). These blocks can
only be configured and scheduled using a network configuration tool. For more details,
see System Integration in manual Foundation Fieldbus for Level Instruments
(7ML19985MP01).
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