Inner Diagram; Parameters Setting - Siemens S7-200PLC User Manual

11-bit mode 8E1 communication mode with even parity, is usually used for
LAN(intranet)communication.
10-bit mode 8N1 communication mode without parity , is usually used for Internet
(Extranet) or 3G wireless network communication.
RS485 communication indicator: there are three LED indicators on the panel, and its working state
Indicator
(Red)
TxD
(Yellow)
RxD (Green)

(3)Inner Diagram

(4)ES-ETH-PPI parameters setting
ES-ETH-PPI needs to be configured the parameters to work correctly, the configuration
parameters including the network parameters, communication protocols, connection, serial port
parameters; it can be very flexible to satisfy your application. Configuration parameters are
stored in the Flash memory, and they can be permanently stored without loss.
Use the standard RJ45 cable to connect the ES-ETH-PPI and router or switch, at the same time
make sure that the router or switch is connected to a computer in order to run the parameters
setting software .You also can use a standard RJ45 cable to directly connect ES-ETH-PPI and the
computer, no need crossover cable, this product has auto-polarity discrimination function for the
RJ45 cable.
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as the following table:
Light on
Power supply normal
Fault or signal polarity
reversal
Fault or signal polarity
reversal
Flash
Fault
Serial port is
receiving the date
Serial port is
sending the date
- 8 -
Extinguish
Fault or no power
Fault or no
communication
Fault or no
communication