(3)
Communication setting using KPP tools (Port2)
Select [PLC Settings] from the PLC view of the KPP tool, and then select [General Purpose Communication Port Settings].
Setting item
Description
Port
Select Port 2 from the list box for the port.
Protocol
Click the checkbox to the left of [COM3(MODBUS].
Time-out
An error occurs when the port waits for a response after sending a message.
RTS ON delay time
The RTS ON delay time specifies the time that the SJ-Ether will wait for the actual data to be sent after the
RTS signal is turned on. If you are using SJ-Ether on a multi-drop network, set the RTS ON delay time to
at least 5 ms. If a problem occurs, increase the delay time.
RTS OFF delay time
The RTS OFF delay time specifies the time that the SJ-Ether will wait until the actual data ends after the
RTS signal is turned off. When using SJ-Ether on a multi-drop network, set the RTS OFF delay time to 5
ms or more. If a problem occurs, increase the delay time.
Area code
Select "1" to switch the CPU port to the master station. The Slave station number can be set from 1 to 247,
but the WX/RX command supports Slave station No. 1 to 99, so care must be taken. In addition, the slave
number to be set must not be duplicated. After the power is turned on, the port automatically enters slave
mode unless SJ-Ether executes network instructions for the ladder logic using the port as the master. The
port then returns to slave mode until the ladder logic uses this port again.
Speeds
The baud rates that can be set are 2400, 4800, 9600, 19200, and 38400 bps. Select a fast speed when
setting, and change the speed to a slower rate when a data error or noise occurs on the network.
Stop bit
For the stop bit used in the protocol, select "1 bit" or "2 bit".
Parity
For error check parity, select either None, Even, or Odd.
Wiring system
Select the correct radio button according to the wiring configuration of the port.
Finally, click the button to send port settings to the CPU and click Close.
Note: All communication speeds on each device on the network must be the same.
Summary of Contents for Kostac SJ-Ether Series
Page 1: ...English version of the KOSTAC SJ Ether series user s manual SJ ETHER USER M...
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Page 113: ...3 24 Note Refer to 6 3 3 Module Assembly for connections and locks between modules...
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Page 156: ...flashing OFF Not sent H W RX Green flashing Receiving H W OFF Not received H W...
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Page 310: ...Chapter 7 Maintenance...
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