
• LED CONF/PF lights:
Projected and current configuration do
not match
• LED CONF/PF flashes:
Periphery fault on at least one connected
slave
• LED ETH NET:
Exchange of data via the Ethernet interface
• LED PROFIBUS lights:
Bus error Profibus DP
12
ASI2
ASI1
PWR/COM PROJ CONF/PF
PWR/COM PROJ CONF/PF
24V PWR PLC RUN
ASI2 +
ASI2 -
ASI1 +
ASI1 -
FE
+24V
0V
RS232C
Ethernet
ETH NET
only AC1355
display
pushbuttons
LED indicators and
pin connection
Profibus DP
interface
Profibus DP
bus error