Tankside Monitor NRF81 Commissioning
Endress+Hauser 81
• State of the alarm
• Internal state of the digital input
Switching state of the digital output
Contact type = Normally open Contact type = Normally closed
Inactive Open Closed
Active Closed Open
• For SIL applications, Contact type is automatically set to Normally closed by the
device when starting the SIL confirmation procedure.
• In case of a power supply failure, the switching state is always "open", irrespectiv of
the selected option.
• The Digital Xx-x submenu contains additional parameters for a more detailed
configuration of the Digital Input. For a description refer to → 148.
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