3UG4651 speed monitoring relay
12.5 Diagnostics
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
313
Indications on the display
Display information
The display is divided into three different areas.
Speed measured value or fault symbol
Symbol of the changeover contact
Meaning of the information on the display
Note
Indications in the event of a fault
The symbols on the display
flash to indicate an error.
The following statuses and faults are indicated on the display as a diagnostics message with
flashing symbols:
1100 Measured speed is displayed
Monitoring for speed overshoot (rpm▲)
Monitoring for speed undershoot (rpm▼)
Range monitoring (rpm▲ and rpm▼)
Speed is in the correct range
A speed overshoot has occurred
A speed undershoot has occurred
• Not flashing: Relay contact 11/12 open, relay contact 11/14 closed
• Flashing: Delay time (ON-delay or tripping delay) running
• Masked out: Relay contact 11/12 closed, relay contact 11/14 open
You will find more information about the switching behavior of the output relay in Chapter
"Functions (Page 309)."
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