58 Version: 1.2.1 MS249E C-863.12 Mercury Controller
6.4.3 Establishing Communication for Networked Controllers
The following describes the procedure for PIMikroMove and for PITerminal.
If you are establishing communication with a networked controller via PITerminal, the address
of the controller to be addressed is required in every command line. See "Target and Sender
Address" (p. 117) for details.
➢ Use PITerminal to test communication with networked controllers.
The RS-232 output lines of some PCs are not adapted for the maximum number of 16
controllers in a network. If you have connected a daisy chain network to such a PC via the RS-
232 interface, communication malfunctions may occur (e.g., timeout). In case of
communication malfunctions:
1. Disconnect the null-modem cable from the RS-232 In socket of the controller which is
connected to the PC.
2. Connect the daisy chain network to the PC via the USB interface of this controller.
Requirements
✓ You have read and understood the general notes on startup (p. 51).
✓ You have set up a daisy chain network .
✓ You have assigned (p. 52)a unique address to each of the networked controllers.
✓ You have set (p. 53) the same baud rate for all controllers.
✓ All controllers in the daisy chain network are switched on (p. 53).
✓ The PC is switched on.
✓ The required software is installed on the PC (p. 39).
✓ If you have connected the first controller in the chain to the PC via the USB interface:
The USB drivers are installed on the PC (p. 39).
✓ You have read and understood the manual for the PC software. The links to the
software manuals are in the A000T0081 file on the PI software data storage medium.
Establishing communication with PIMikroMove
1. Start PIMikroMove.
The Start up controller window opens with the Connect controller step.
− If the Start up controller window does not automatically open, select the
Connections > New... menu item in the main window.
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