10 Ethernet Communication
The SCADAPack 32 controller has one 10BaseT Ethernet port on connector P5 of the controller
board. This port is labeled LAN. Refer to Figure 1: 5232 Controller Board Layout for the location
of the LAN port. 10BaseT is a single communications channel running at 10MHz over unshielded,
twisted - pair cabling. 10BaseT uses differential signaling.
10.1 LAN Port Settings
Connections to the LAN port are made through a RJ-45 modular connector. The wiring and pin
connections for this connector are described in section 10.1.3-RJ-45 Modular Connector for
Ethernet.
10.1.1 TCP/IP Settings
The following table shows the TCP/IP parameters supported by the LAN port. These parameters are
set from the ISaGRAF Workbench or from an application program running in the SCADAPack 32
controller. Default values are set when a Cold Boot is performed on the SCADAPack 32 controller.
Parameter Supported Values
IP Address
In the format 255.255.255.255
Default: 0.0.0.0
Subnet Mask
In the format 255.255.255.255
Default: 0.0.0.0
Gateway
In the format 255.255.255.255
Default: 0.0.0.0
The IP Address is the address of the controller. The IP address is statically assigned. Contact your
network administrator to obtain an IP address for the controller.
The Subnet Mask is determines the subnet on which the controller is located. The subnet mask is
statically assigned. Contact your network administrator to obtain the subnet mask for the controller.
The Gateway determines how your controller communicates with devices outside its subnet. Enter
the IP address of the gateway. The gateway is statically assigned. Contact your network
administrator to obtain the gateway IP address.
10.1.2 Modbus/TCP Settings
The following table shows the Modbus/TCP parameters supported by the LAN port. These
parameters are set from the ISaGRAF Workbench or from an application program running in the
SCADAPack 32 controller. Default values are set when a Cold Boot or Service Boot is performed on
the SCADAPack 32 controller.
Parameter Supported Values
Master Idle Timeout Any value in seconds.
Default: 10 seconds
Server Receive Timeout Any value in seconds.
Default: 10 seconds
Maximum Server
Connections
Valid values are 1 to 20.
Default: 20
SCADAPack 32 Controller Hardware Manual
May 24, 2006
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