Watlow Silver Series - Manual (Page 122)

114 EZware5000 Series Programming Manual
5. Destination COM Port (HMI -> PLC): Set COM settings for the HMI COM port that will be connected to the
PLC.
6. Click Start Pass-through to begin pass-through communication and Stop Pass-through to end. Click Exit to
exit pass-through mode.
 When the HMI is in serial pass-through mode, the HMI does not communicate with the PLC and the
program in the HMI does not run.
 To use the Ethernet pass-through mode:
In the Ethernet pass-through mode, the HMI acts as an Ethernet-to-Serial bridge. A virtual COM port driver is installed
on the PC (in this example, COM4), which provides the connection between EasyBuilder-5000 (or the PLC
programming software) and the Ethernet port connected to the HMI. The virtual COM port uses the next available
port on the PC.
1. Click Install to install the virtual COM port driver. The Virtual COM Port (PC <-> PLC) indicates the virtual
COM port used on the PC.

To change to another port, use the COM ports section of Device Manager on the PC.
2. PLC Connection Port (HMI <-> PLC): Enter the IP address of the HMI and the COM port and method of
communication between the HMI and PLC.
3. Click Apply to accept the settings.
4. Click Stop Pass-through to end.
1010-1007, Rev. 10