Description of I/O extension modules
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3.6.4 Diagnostic LEDs
The RAD-DOR4-IFS I/O extension module uses a total of seven LEDs to indicate the
operating states.
Figure 3-31 Diagnostic LEDs of the RAD-DOR4-IFS
PWR LED
The green PWR LED indicates the supply voltage status.
DAT LED
The green DAT LED indicates the bus communication status.
Digital OUT2 HOLD ON
Digital OUT3 RESET OFF
Digital OUT3 HOLD ON
Digital OUT4 RESET OFF
Digital OUT4 HOLD ON
OFF No supply voltage
ON Supply voltage OK
OFF No communication
Flashing Configuration and addressing mode
ON Cyclic data communication
Table 3-10 DIP switches of the RAD-DOR4-IFS
DIP switch
Setting Output signal 1 2 3 4
OFF ON
DIP-1
1
2
3
4
COM
1
NO1 NC1
COM
2
NO2 NC2
COM
4
NO4 NC4
COM
3
NO3 NC3
PWR
DAT
ERR
1
1 1
2
2
4
4 4
3
3 3
DO1
DO2
DO3
DO4