BECKHOFF EP9128 - Manual (Page 37)

Mounting and cabling
Details of the power supply may be taken from the specific module descriptions.
Attention
Electrical isolation may be cancelled!
If digital and analog fieldbus boxes are connected directly via four­core power leads, the
analog signals in the fieldbus boxes may be no longer electrically isolated from the control
voltage!
4.3.2 Status LEDs for power supply
Fig. 45: Status LEDs for power supply
LED display
LED Display Meaning
Us (Control voltage) off The power supply voltage Us is not present
green illuminated The power supply voltage Us is present
reed illuminated Because of overload (current > 0.5 A) the sensor supply
generated from power supply voltage Us was switched off for
all sensors fed from this.
Up (Auxiliary voltage) off The power supply voltage Up is not present
green illuminated The power supply voltage Up is present
4.3.3 Power cables
Ordering data
Order designation Power lead Screw­in
connector Contacts Cross­section Length
ZK2020­3200­0020 Straight socket, open end M8 4­pin 0.34 mm 2 2.00 m
ZK2020­3200­0050 5.00 m
ZK2020­3200­0100 10.00 m
ZK2020­3400­0020 Angled socket, open end 2.00 m
ZK2020­3400­0050 5.00 m
ZK2020­3400­0100 10.00 m
ZK2020­3132­0001 Straight socket, straight
socket 0.15 m
ZK2020­3132­0005 0.50 m
ZK2020­3132­0010 1.00 m
ZK2020­3132­0020 2.00 m
ZK2020­3132­0050 5.00 m
ZK2020­3334­0001 Angled socket, angled
socket 0.15 m
ZK2020­3334­0005 0.50 m
ZK2020­3334­0010 1.00 m
ZK2020­3334­0020 2.00 m
ZK2020­3334­0050 5.00 m
EP9128 37 Version 2.1.0