Hardware Setup

Addressing and communication information must be loaded into the system setup area using CVSS or other programming device. Consult the SYSMAC CV-series Ethernet manual for details of installation of the Ethernet unit (ETN) and options available.

OMRON CV500-ETN01 Settings

Set the front panel switches to the following:

• UNIT (01-15) note that 00 appears to be used for the CPU (e.g.01)

• NODE(1-126) must be unique for each ETN module(s) sharing a FINS network (e.g 06)

Be certain that the OMFINS Source parameter is correctly set (see OMFINS Parameters).

Discussion

In the simplest scenario, the last 8 bits of the IP address are the same as the ETN node number - i.e. in the IP address a.b.c.d, 'd' is the same as the node number. The UDP port number must also be set at installation. The same UDP port must be used for all ETN units on a network, and the default port value is 9600.

Communications is done using the FINS protocol inside UDP/IP packets. The addresses used with FINS are the network number, the node number and unit number. The network number is in the range 1-127 (or 0 for local), the node number in the range 1-126 is unique for each Programmable Controller on the network (which may include interconnections to other OMRON networks as well as Ethernet ones). The unit number in the range 0-15 is unique for each CPU bus unit (including the ETN unit) installed in a particular Programmable Controller.

The node number and unit number are set by front panel switches, while the network number is configured with CVSS. As well as supporting FINS over UDP, the ETN unit supports standard TCP, FTP and ICMP (ping).

Plant SCADA Computer Setup

Set up your specific Ethernet card as required and confirm basic network communications before proceeding with the communications configuration for the OMFINS driver. Refer to the documentation accompanying your hardware for instruction.

Note: Setup the UDP/IP protocol on your Plant SCADA computer.