44 Version: 1.2.1 MS249E C-863.12 Mercury Controller
✓ You have read and understood the user manual for the positioner.
Tools and accessories
▪ Positioner with DC motor and encoder with A/B quadrature signal transmission
▪ Suitable cable from the scope of delivery of the positioner
Connecting the positioner
1. Connect the positioner to the C-863.12's Motor socket.
2. Use the integrated screws to secure the connections against accidental disconnection.
5.5 Connecting the PC
Communication between the C-863.12 and a PC is required to configure the C-863.12 and to
command motion using the GCS commands. The C-863.12 has the following interfaces for this
purpose:
▪ RS-232 interface
▪ USB interface
In this section, you learn how to establish proper cable connections between the C-863.12 and
a PC and in a daisy chain network. The steps for establishing communication between C-863.12
and PC are described in the section "Startup":
▪ "Establishing Communication via RS-232" (p. 55)
▪ "Establishing Communication via USB" (p. 56)
▪ "Establishing Communication for Networked Controllers" (p. 58)
Using a daisy chain network, up to 16 controllers can be connected to the PC via a single RS-
232 or USB connection.
5.5.1 Connecting to the RS-232 Interface
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.