Mounting and connection
EPI4xxx, ERI4xxx
22
Version: 1.6
4.2.2
Connection IO-Link Device
The IO-Link box (EPIxxxx,ERIxxxx) has an A-coded M12 connector for the incoming IO-Link connection.
IO-Link connection, Device (narrow housing)
IO-Link connection, Device (wide housing)
4.2.3
IO-Link status LED
IO-Link Device status LED (narrow housing)
IO-Link Device status LED (wide housing)
LED display
LED
Display
Meaning
IO-Link status LED (X1)
off
IO-Link communication inactive
flashes green (1Hz)
IO-Link communication active
red illuminated
Short circuit on C/Q line or overheating
4.3
Status LEDs for power supply
The IO-Link module contains 2 diagnostic LEDs for the power supply and a Diagnostic object (0x0A00) for
more accurate diagnosis. The description of the diagnostic parameters (
) is described in
the section Object description and parameterization.
Fig. 9: Status LEDs for power supply
LED display
LED
Display
Meaning
24 V
off
Voltage L
+
non-existent
green
voltage L
+
ok
red
Voltage L
+
too low
right LED
green
Voltage P24 ok
off
Voltage P24 too low, short-circuit