Festo CPX-CTEL-4-M12-5POL, Description

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2 System overview, CTEL system
Festo – P.BE-CPX-CTEL-EN – 1601b – English 13
2.3 Display components
The CTEL master module is equipped with seven LED indicators, with whose help the current status
(operating status) of the CTEL system and the devices connected to it can be determined.
2.3.1 Overview of the LED indicators
4
5
7
2
1
3
6
1
PS (Power System)
2
PL (Power Load)
3
Module error
4
X4 (status I-Port 4)
5
X3 (status I-Port 3)
6
X2 (status I-Port 2)
7
X1 (status I-Port 1)
Fig. 2.4
2.3.2 Meaning of the LED displays
LED Behaviour Significance
PS Off Operating voltage U
EL/SEN
(PS) is not connected or has fallen
below the minimum supply voltage (CTEL master module is not
active)
Lights up green Operating voltage U
EL/SEN
(PS) is connected; supply for all
I-Ports OK
Flashes green
(approx. 1 Hz)
Undervoltage of the operating voltage U
EL/SEN
(PS)
PL Off Several causes are possible:
– Load voltage U
VAL
(PL) not connected
– No devices connected
– Devices are connected that do not use the load voltage U
VAL
(PL)
– All 4 I-Ports are configured to “Port inactive”
Lights up green Load voltage U
VAL
(PL) present at all connected devices and is OK
Flashes green
(approx. 1 Hz)
At least one device reports undervoltage U
VAL
(PL)