Siemens SIMATIC Ident Operating Instructions

Service and maintenance
5.1 LED status display on the RF120C
SIMATIC RF120C
28 Operating Instructions, 02/2021, C79000-G8976-C328-03
Table 5- 1 LEDs below the upper cover of the housing
LED / colors
Name
Meaning
Lit green
DC 24 V
Indicates that voltage is being applied via the external 24 V
power supply.
Lit green
PRE
Indicates the presence of a transponder.
Lit yellow
Rx
Indicates live communication with the reader.
flashing red
ERROR
A flashing pattern indicates the last error to occur. The mean-
ing of the flashing patterns is explained in the section "Error
messages (Page 31)".
Note
LED colors when the module
starts up
When the module starts up, all its LEDs are lit for a short time. Multicolored LEDs display a
color mixture. At this point in time, the color of the LEDs is not clear.
Display of the operating and communication status
The LEDs indicate the operating and communications status of the module according to the
following scheme:
Table 5- 2 Display of the basic states of the module by the "DIAG" LED
DIAG
(red / green)
Meaning Comment
Off
Power OFF
-
Lit green
Module configured
Configuration was completed successfully and
no error occurred.
flashing green
• Startup
• Module not configured
•
Firmware update
-
flashing red
• Defect
• Error
•
Alarm message
Check the ERROR LED and the 24 VDC LED for
more detailed error diagnostics.
Lit red
Module defective
Replace the module.

Siemens SIMATIC Ident Specifications

General

Brand	Siemens
Model	SIMATIC Ident
Category	Other
Language	English