Fieldbus Coupler 750-337, 750-338
•
67
Fieldbus
Coupler
WAGO-I/O-SYSTEM 750
CANopen
3.1.7.2 Node Status – Blink Code of the 'I/O' LED
LED
Color
Meaning
IO red
/green
/ orange
The 'I/O' LED indicates the node operation and signals faults occur-
ring.
The coupler starts after switching on the supply voltage.
The "I/O" LED flashes red.
Following an error free start up the "I/O " LED changes to green steady light.
In the case of a fault the "I/O " LED continues blinking red.
Detailed fault messages are displayed via the 'I/O ERR'-LED with the aid of a
blink code. A fault is cyclically displayed with up to 3 blink sequences.
•
The first blink sequence (approx. 10 Hz) starts the fault display.
•
The second blink sequence (approx. 1 Hz) following a pause. The number
of blink pulses indicates the
fault code
.
•
The third blink sequence (approx. 1 Hz) follows after a further pause. The
number of blink pulses indicates the
fault argument
.
Fig. 3.1.7-16: Signalling the LED's node status via the 'I/O ERR'-LED
g012111e
After overcoming a fault, restart the coupler by cycling the power.
