Device Status Displays - Festo CMMT-ST-C8-1C Series Manual

Malfunctions
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1
Fig. 13: LEDs on the front
8.1.1

Device status displays

LED Designation
Status LED
Power LED
Safety LED
Application status LED
Tab. 40: Device status LEDs (status, power, safety and application status LEDs)
LED test
After the device is switched on, it runs through an initialisation phase. When the initialisation phase is
complete, the device performs an LED test. During the LED test, the 4 device status LEDs are activated
simultaneously. The 4 device status LEDs light up yellow for approx. 300 ms.
Festo — CMMT-ST-C8-1C-...-S0 — 2021-04b
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Device status LEDs (4x)
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RTE network status LEDs (example)
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Ethernet status LEDs
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3
Brief description
Indicates the general device status
Indicates the status of the power supply
Indicates the status of the safety equipment
Indicates the identification sequence and is
reserved for future extensions
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