Status Leds At The Signal Connections; Fig. 23 Socket 2 And 3 - Beckhoff EP3744-0041 Documentation

Mounting and connection
Fig. 23: Socket 2 and 3
The sensors are supplied with a common maximum current of 0.5 A from the control voltage Us.
Light emitting diodes indicate the signal state of the inputs.
Pressure measuring inputs, 6 mm pneumatic hose
The connection for pressure measurement is made via fittings for standard pneumatic hoses (6 mm). The
values are output as a reference to the lower left measuring channel.
The values of the reference channel are not available in the process data, but in the CoE objects.
3.2.8

Status LEDs at the signal connections

LED displays
LED Display
STATUS green
1-4 illuminated
Us off
green
illuminated
red illuminated short circuit on the power supply for sensor outputs of Us
Up off
green
illuminated
28
Meaning
a signal (24 V) is present on at least one input of channels 1-6 or one of the
outputs 1 or 2 is switched on
The supply voltage, Us, is not present
The supply voltage, Us, is present
The supply voltage, Up, is not present
The supply voltage, Up, is present
Version: 2.2 EP3744-0041 and EP3744-1041