Internal Basic Circuit Diagram - Phoenix Contact ILC 131 ETH Installing And Operating Information

µP
Microprocessor
IB
Protocol chip
RS-232 interface
Transmitter
RJ45 socket
SD card holder (the SD card is not supplied as standard)
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Internal basic circuit diagram

Figure 2-11 Internal basic circuit diagram (ILC 171 ETH 2TX)
Key:
The gray areas in the basic circuit diagram represent electrically isolated areas:
A: Ethernet interface
B: Logic
C: I/O
Other symbols used are explained in the IL SYS INST UM E user manual.
Description of the Inline controller
Inverter
LED
Optocoupler
NPN transistor
Ethernet switch
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