GE IS200DSPXH2BEB Key module

For Enhanced peer to peer multicast operation from release 3.5, the Multicast operation section must be configured. This is only necessary if using enhanced peer (using dxpnc40 control definitions) and data must be sent to more than one peer system with one message.

It is possible to configure up to 10 Modbus Slaves operating in the CI (not to be confused with the setup of remote Modbus Slaves which the CI Modbus Masters communicate with). These may be allocated to Serial or Ethernet ports. If a Slave is required, check the box ‘Use This Slave’. Set the Slave address that the CI will respond to, usually 1 on a point to point link but in the range 1 to 127. If the Slave will appear on a Serial port, check ‘Serial’. Choose the port to be used. A Serial port can only be used for Modbus Slave or Master but not both.

Multicast Configuration 

In the window above, multicast data can be configured to be sent either from port TCP/IP 0 or TCP/IP 1 to other peers. The Maximum Hops determines the number of routers that the messages will go through before being blocked. For each of the two Ethernet ports, configure the addresses that will be monitored for Multicast messages from other peers. One address will be sufficient to allow 64 different Multicast messages to be configured using different settings of DATA_ID. Enter an address in each port for dual redundant communications.

Serial Ports

 The four Serial Ports may each be configured for baud rate, data bits, parity, stop bits and line type (the Front Panel Serial Port is essentially ‘port 0’ and cannot be configured). Note: The normal pattern uses two bits after each data byte. This is either odd/even parity and one stop bit, or no parity and two stop bits. • RS232 is only available on Serial Ports 1 and 2. The setting for this mode is ‘rs232’.

• rs485fd configures a four wire point-to-point connection. 

• rs485hdmux configures a two wire multi-dropped connection. rs485 performs the same function. 

• rs485fdmux configures a four wire multi-dropped connection.

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