1 Product overview
1.5
Status LEDs
The LEDs on the FP-I4C unit display the operation and communication status.
ET
H
1
ET
H
0
(6)
(2)
(3)
(5)
(4)
(1)
(7)
(1) PWR
(2) CON
(3) USR
(4) MEM
(5) USB 1, USB 2
(6) TX1
(7) TX2
LED
Color
LED status
Description
PWR
Green
On
Power supply is on and self-test is
completed.
CON
Yellow
User-defined
User-defined, controlled by script function
User-defined
User-defined, controlled by script function
USR
Yellow
Flashes
(heartbeat 1/s)
A system reset initiated by the reset tact
switch is active.
MEM
Orange
On
Data is written to the USB flash drive.
USB 1
Green
On
A device is connected to USB port 1.
USB 2
Green
On
A device is connected to USB port 2.
TX1
Green
Flashes
(rate depending on data
traffic)
Communication via COM1 (RS232) is
active.
TX2
Green
Flashes
(rate depending on data
traffic)
Communication via COM2 (RS232/
RS485) is active.
Related topics
12
FP-I4C
