Communication Protocol: Uni-Telway Target Screen
Original instructions
General
In this screen, you choose the target device according to the Uni-Telway communication type selected in the previous step.
Illustration
The main elements of the Uni-Telway Target screen are described in the following paragraphs.
Device Type
The device types supported by OSLoader and available for the Uni-Telway communication type are displayed in the Device Type area. Processor is the only Uni-Telway target enabled.
Target Address
Press the Connect button in the Target Address area to connect OsLoader to the device.
If the connection is established, the target device is added to the directory tree in the Devices area.
If the connection cannot be established, an error message explaining the reason is displayed.
Devices: Directory Tree
The directory tree in the Devices area displays the list of connected devices. At OSLoader startup, when no connection is enabled, the directory tree is empty.
The following table shows the list of icons used in the directory tree and the corresponding description.
Icon
Description
Processor in stop mode (Stop)
Processor in run mode (Run)
Processor is not configured (no application was ever loaded into the PLC)
Host adapter (SA85 or PCMCIA Modbus Plus card)
Bridge or Bridge plus or Bridge mux
Input/output port
Remote input/output module
Device unknown
Proceed to the Device Properties dialog box by double-clicking on a specific device.
Devices: Start and Stop
The Start PLC and Stop PLC buttons are only available if a processor in the directory tree of the Devices field is selected. In other cases, they are disabled.
Stop the processor by pressing the Stop PLC button.
Restart the processor by pressing the Start PLC button.
Device Properties
The Device Properties dialog box, which is accessible by pressing the Properties button in the Devices area, gives access to information concerning the selected device.
Navigation Buttons
Use the navigation buttons, located at the bottom of the screen, as follows: Back: to return to the previous step Next: to proceed to the next step Close: to exit the software Help: to access the online help