Act Led And Interface Leds - Siemens SIMATIC S7-1500 Equipment Manual

Interrupts, diagnostics alarms, error messages and system alarms
5.1 Status and error displays
5.1.4

ACT LED and interface LEDs

Meaning of ACT LED
The ACT LED is located next to the memory card slot and indicates write/read accesses to the
SIMATIC memory card.
Table 5-4 ACT LED
LED flickers yel­
If you remove the SIMATIC memory card during a write operation, the following problems
may occur:
• The data content of a file is incomplete.
• The file is no longer readable or no longer exists.
• The entire data content is corrupted.
Regarding the removal of the SIMATIC memory card, note also the following FAQ on the
Internet (https://support.industry.siemens.com/cs/ww/en/view/59457183).
Meaning of the LEDs of the PROFINET interface X130, X150, X160
For diagnostic purposes, each of the RJ45 sockets is equipped with a LINK LED and and
ACTIVITY LED. The LEDs are used to display the following status information of the respective
PROFINET interface.
Table 5-5 LEDs of PROFINET interface X130, X150, X160
RJ45 socket
62
ACT LED Meaning
No access to the SIMATIC memory card
LED off
Access to the SIMATIC memory card
low
LINK LED
LED off
LED flashes green
LED lit green
ACTIVITY LED
There is no communication connection
LED off
between the PROFINET interface of the SIMAT­
IC Drive Controller and the communication
partner. No data is currently being
sent/received via the PROFINET interface.
There is no LINK connection.
– The "LED flashing test" is being performed.
– A 10/100 Mbps communication connection
exists between the PROFINET interface of the
SIMATIC Drive Controller and a communication
partner.
Equipment Manual, 11/2022, A5E46600370-AC
Meaning
SIMATIC Drive Controller