
Diagnostics
11
11.1
Indication of the operating state
Indication of the operating state
The operating state of the solid-state overload relay is indicated via four LEDs.
Status
Status display
Auxiliary contacts
Device ready, no trip
DEVICE / IO‑LINK:
green continuous light
1)
The set status of the relay re‐
mains in force.
Communication via IO-Link
DEVICE / IO‑LINK:
green interrupted continuous
light (LED is interrupted for
200 ms every 3 s)
The set status of the relay re‐
mains in force.
Simultaneous flashing of the fol‐
lowing LEDs:
• GND FAULT
• THERMISTOR
• OVERLOAD
(See Chapter "Fault codes (only in
the case of non-acknowledgea‐
ble faults) (Page 104)")
or device defective
DEVICE / IO‑LINK:
red continuous light
95/96 open
95/98 open
Ground fault tripping
GND FAULT:
red continuous light
DEVICE / IO‑LINK:
red continuous light
95/96 open
95/98 open
Thermistor trip
THERMISTOR:
red continuous light
DEVICE / IO‑LINK:
red continuous light
95/96 open
95/98 open
Thermistor deactivated
THERMISTOR:
red flashing at 7 s intervals
The set status of the relay re‐
mains in force.
Overload tripping
OVERLOAD:
red continuous light
DEVICE / IO‑LINK:
red continuous light
95/96 open
95/98 open
Overload warning
2)
OVERLOAD:
red flickering light
The set status of the relay re‐
mains in force.
User test
See Chapter "Carrying out self-test (Page 88)"
Device not ready
a) IO‑Link voltage failure
DEVICE / IO‑LINK:
dark
95/96 open
95/98 open
SIRIUS 3RB24 electronic overload relay for IO-Link
Equipment Manual, 07/2022, NEB969165602000/RS-AA/003
101