Siemens SIMATIC NET SCALANCE X-200, Руководство по эксплуатации

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The meanings of the fault LED display are as follows:
LED color LED status Meaning
Yellow Lit The LED can only adopt this status with FM devices.
Check the received power or the loss of power on optical connections. If necessary,
replace the parts.
Red Lit The fault LED lighting up can have the following meanings:
• Link down event on a monitored port
• Loss of the power supply
• C-PLUG error
• Device is in PROFINET mode:
– There is no connection to the controller.
– There is a connection to the controller. A configured diagnostics interrupt is also
pending, for example power fail interrupt, C-PLUG interrupt etc.
• Redundancy manager connected through
• Switchover of standby connection
• A defined value was undershot in a monitored optical connection.
• A loop was detected.
• Device startup. The LED lights up for approximately 20 seconds.
Red Flashing Internal error detected. Notify maintenance personnel. If necessary, send the device in
for repair.
- Off No error detected.
3.5.4 Redundancy manager LED "RM" (green LED)
The green LED shows the following statuses of the X-200:
LED color LED status Meaning
Green Lit The device is operating in the role of redundancy manager. The ring is operating free of
errors. The monitoring is enabled.
Green Flashing The device is operating in the role of redundancy manager. An interruption was detected
in the ring. The device has switched through.
- Off The device is not operating in the role of redundancy manager.
Note
This LED labeled on the device with "RM" has a dual function. The color of the display changes
depending on the function:
• If the LED is lit green, the redundancy manager function is indicated.
• If the LED is lit yellow, the standby function is indicated.
In Web Based Management (WBM), the LED is labeled differently depending on the function:
• The redundancy manager function (as shipped) is labeled "RM".
• The standby function is labeled "SB" in the WBM.
Description of the device
3.5 The LEDs
SCALANCE X-200
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Operating Instructions, 11/2021, C79000-G8976-C284-15