AL4043
Remote I/O module 16 DI
18
7 Operating and display elements
7.1 LEDs
2 3
4
5
8
1
4
5
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
1:
status: RDY
2:
status: ERR
3:
status: RUN
4:
Modbus TCP: LNK
5:
Modbus TCP: ACT
6:
Process connection: DI1
7:
Process connection: DI2
8:
Voltage supply: US
7.1.1 Status
LED
Description
Colour
State
Description
RDY
Gateway status
-
Off
Not active or reboots
Green
Flashes 3 s (1 Hz)
DCP signalling service initiated via fieldbus
Flashes (5 Hz)
Error
Flashes (200 ms
on, 800 ms off)
Firmware update running
On
OK
red
On
Error during firmware update (e.g. firmware not compatible)
ERR
Error indication
red
Off
No error
Flashes (10 Hz)
Boot error
flashes (200 ms
on, 200 ms off,
200 ms on, 1000
ms off)
Watchdog error (Modbus TCP or process data)
flashes (200 ms
on, 1000 ms off)
local error
Flashes (2.5 Hz)
invalid configuration
On
Communication error
RUN
Modbus TCP state
(state machine)
Green
Off
not ready
Flashes (1 Hz)
ready, but not yet configured
Flashes (5 Hz)
waiting for connection
On
connection established
