Liquiphant M FTL51C
Endress+Hauser 29
Human interface
Electronic inserts
Operating concept Onsite configuration
With FEL51, FEL52, FEL54, FEL55:
• 2 switches for safety mode and density change
• green LED to indicate operational status
• red LED to indicate the switching status,
flashes in the event of corrosion damage on sensor
or if the electronics are defective
With FEL56:
• 2 switches for safety mode and density change
• green LED flashes to indicate operational status
• red LED to indicate the switching status,
flashes in the event of corrosion damage on sensor
or if the electronics are defective
With FEL57:
• 2 switches for density change and
Testing
• green LED to indicate operational status
• yellow LED to indicate the covered status,
flashes in the event of corrosion damage on sensor
or if the electronics are defective
With FEL58:
• 2 switches for safety mode and density change
•green LED
– flashes quickly to indicate operational status,
– flashes slowly in the event of corrosion damage to the
sensor of if the electronics are defective
• yellow LED to indicate the switching status,
Test key – breaks the cable connection
L00-FTL5xxxx-03-05-xx-en-001
L00-FTL5xxxx-03-05-xx-xx-013
With FEL50A:
• 8 switches for configuring the device address
• green LED to indicate operational status,
pulsing to indicate communication;
• yellow LED to indicate the switching status,
flashes in the event of corrosion damage on sensor
or if the electronics are defective
L00-FTL5xxxx-03-05-xx-en-002
With FEL50D:
• yellow LED: to indicate the validation of the
measurement
• green LED: to indicate the operational status
• red LED: to indicate faults
TI328Fxx004
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