PI MS249E - Connecting to the USB Interface

5 Installation
C-863.12 Mercury Controller MS249E Version: 1.2.1 45
Requirements
✓ The PC has a free RS-232 interface (also called a "serial interface" or "COM port", e.g.,
COM1 or COM2).
Tools and accessories
▪ RS-232 null-modem cable (C-815.34 included in the scope of delivery)
Connecting the C-863.12 to the PC
➢ Connect the RS-232 In socket on the front panel of the C-863.12 and the RS-232
interface of the PC (a D-sub 9(m) panel plug) to the null-modem cable.
5.5.2 Connecting to the USB Interface
NOTICE
Incorrect wiring!
Connecting the USB and RS-232 interfaces of the controller to the PC at the same time can
damage the PC or the controller.
➢ Connect either the USB or the RS-232 interface to the PC.
Requirements
✓ The PC has a free USB interface.
Tools and accessories
▪ USB cable (type A to mini-B) for connection to the PC, in the scope of delivery (p. 9)
Connecting the C-863.12 to the PC
➢ Connect the USB socket of the C-863.12 and the USB interface of the PC with the USB
cable.