Diagnostics; Diagnostics Via Display Elements - Siemens SIRIUS 3RA2712 Equipment Manual

Diagnostics

12.1

Diagnostics via display elements

The status of an AS‑i function module is indicated by either continuous or flashing lights on the
LEDs.
• For AS‑i communication via the LED AS‑i FAULT
• For the auxiliary voltage with the green LED POWER AUX
LED status display for AS-i FAULT
Table 12-1 LED - AS‑i FAULT
AS-i FAULT Possible cause
Green Normal operation,
AS-i communication OK
Red No AS‑i communication:
•
•
•
•
Yellow/red flashing The device has the address 0
(factory setting)
OFF
•
•
•
LED status display POWER AUX
Table 12-2 LED ‑ POWER AUX
POWER AUX Possible cause
Green Auxiliary voltage present
OFF
•
•
SIRIUS 3RA2712 function modules for AS-Interface
Equipment Manual, 11/2022, A8E96801707001A/RS-AD/006
Master switched off or offline
Follower not configured in master
Incorrect device type connected
The follower has the wrong address.
No AS‑i voltage
AS‑i voltage connected with incorrect
polarity
AS‑i voltage too low
No auxiliary voltage
Auxiliary voltage connected with incor‐
rect polarity
Possible remedial measures
—
Ensure AS-i communication:
• Switch on the master or switch it to online mode.
• Reconfigure the master.
• Connect the correct module
• Check/correct the device address
Assign an address that is not 0
• Switch on AS‑i voltage, connect correctly
• Measure the AS‑i voltage (approx. 30 V DC, or approx.
24 V DC for AS‑i Power 24 V)
Possible remedial measures
—
• Switch on 24 V DC auxiliary voltage (ES1/PELV)
• Connect auxiliary voltage properly
• Measure the auxiliary voltage (approx. 24 V DC)
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