Use MSX-E1701:
Digital
I/O
5.4
LED display
5.4.1
Overview
Fig. 5-12: LEDs: Current supply, Ethernet and Status
LED
Description
Power On
Lights green
Current supply OK
Port 0 ACT/Link
Blinks yellow
Ethernet cable connected to Port 0
Port 1 ACT/Link
Blinks yellow
Ethernet cable connected to Port 1
verbunden
Lights green
As soon as the Status LED lights green,
the module is ready for work.
Lights yellow
If the Status-LED lights yellow, the
network cables are possibly not connected
Status
Detailed description of the Status LED: See table next page
Fig. 5-13: LEDs: Digital I/O
Direction
State
LED
Description
Ouput
inactive
black
No output is active, there is no voltage.
Output active red
Output
is
active, there is voltage.
Caution, short-circuit danger!
Input
inactive
green
Input is ready for work, signals can be received.
Input active
yellow
Input
is
active, signal is received.
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