3. ##### To set an ExecB controller's DHCP IP address PREREQUISITES A computer with a USB port A USB Link Kit. See the USB Link Kit Technical Instructions. NOTE The USB Link Kit driver is installed with a WebCTRL® v5 or later system. But if needed, you can get the latest driver from http://www.silabs.com/products/mcu/Pages/USBtoUARTBridgeVCPDrivers.aspx. Install the driver before you connect the USB Link Kit to your computer. v6.0 or later driver CAUTION If multiple controllers share power but polarity was not maintained when they were wired, the difference between the controller's ground and the computer's AC power ground could damage the USB Link Kit and the controller. If you are not sure of the wiring polarity, use a USB isolator between the computer and the USB Link Kit. Purchase a USB isolator online from a third-party manufacturer. Connect the computer to the controller using the appropriate USB Link Kit cable(s). NOTE If using a USB isolator, plug the isolator into your computer's USB port, and then plug the USB Link Kit cable into the isolator. LGR line or ME line controller only: Turn off the controller's power, set its Enhanced Access Port DIP switch to ON, then turn its power on again. In SiteBuilder, set your Configure > Preferences > Connections tab settings.
   Field | Value
   --- | ---
   Port | The laptop's Com port number that the USB Link Kit is connected to.
   Baud Rate | 115200
   Data Bits | 8
   Parity | None
   Stop Bits | 1
On the Network tree, double-click the controller. On the Address tab, click Module Status. Note the controller’s Ethernet MAC address. When finished, turn off the controller's power, set its Enhanced Access Port DIP switch to OFF to restore normal functionality to the Local Access port, then turn the power on again. Give the Ethernet MAC address to your DHCP network administrator and request that he reserve a static IP address for that MAC address. Get from him the reserved IP address, subnet mask, and default gateway address for your router. Repeat steps 1 and 2. Set the controller's Default/Assigned DIP switch to Default. Repeat steps 3 and 4. On the Address tab, select Specify a custom or DHCP IP Address. Type the IP Address, Subnet Mask, and Default Gateway Address that the DHCP network administrator gave you. Click Download Address. LGR line or ME line controller only: When finished, turn off the controller's power, set its Enhanced Access Port DIP switch to Off, then turn the power on again.