Page 146 IM02601004E www.eaton.8 Setup on the Web Server PagesCOM3 (CE4) SETUPUse the COM3 Setup page to:• Setup the Modbus RTU as a Master - Gateway, Slave - Gateway, Master - IO, or Modbus Slave.For Slave, you can choose to communicate via Modbus ASCII or Modbus RTU.• Select the Modbus Slave addresses.• Select the Baud Rate, Stop Bits and Parity for the COM3 device on the CE4 RS232 portThese options are the same as for COM1 and COM2 except that COM3 is an RS232 interface forone-on-one communication or multipoint through a modem.Note: To use COM3 (RS232) between a Power Xpert Meter Master Gateway and Slave-Gateway,use a null-modem cable that swaps RX with TX on the 9-pin D connector.Locating COM3 Setup on the WebFrom the Setup Main Page, select Meter Setup & Commissioning from the tree structure on the leftside of the page. The tree structure will expand to list Security, Compensation, Metering, I/O, Clock,Communications and System. Click Communications. The tree structure will expand to list COM1& COM2, COM and Ethernet/LAN setups. Click COM3 Setup. The page will update to display thecurrent COM3 settings.Click the Edit button at the bottom of the page to modify the current settings. The page will updateto display drop down boxes for use in editing each feature. Use Modbus RTU to select if the deviceis a Master - Gateway, Master I/O or a Slave. If Slave is selected, the slave address must be en-tered in the appropriate text box.Use the drop down box beside Baud Rate to select the appropriate rate; 9600, 19.2K, 38.4K,57.6K, 115.2K. Use the drop down box beside Stop bits to select 1 or 2. Click the Parity drop downbox to select None, Odd, or Even.
