Serial Interface Modules - Siemens SINUMERIK 840 Planning Manual

3 Interface Modules 06.91

3.2 Serial interface modules

3.2 Serial interface modules
The active serial interface module CP315 is used for point-to-point connections to computers
(FMS) as well as to tool or pallet stations, measuring machines, tool coding systems, transport
controls and other systems.
It consists of a basic board with EPROM submodule, a programmer interface and an
unassigned interface.
An expansion board which is referred to as CP 373 is available for the basic board. The
expansion board offers three additional serial interfaces. It is mounted on the side of the basic
board and can only be operated together with the basic board.
The front view of the two boards is shown in the figure "Active serial interface".
The firmware for the basic board and the expansion board is stored on the EPROM submodule
of the basic board.
The programmer interface is used for connecting the PG 685 or PC AT, or for transmitting the
configuring data generated on the PG 685 or PC AT for CP 315/373. Furthermore, test
functions can be activated via the programmer interface with the aid of the PG 685 or PC AT.
The hardware configuration of the PG interface and the serial interfaces for the computer link
are compatible with the RS 232C/TTY, i.e. they can be used as RS 232C or TTY, depending
on the connector assignment of the connecting cable.
Each of the offered serial interfaces can also be operated as RS 422 when using an external
adapter.
The cumulative data rate of the offered serial interfaces is 19200 bauds.
Procedures 3964R, LSV 2, XON/XOFF, RTS-LINE and TRANSPARENT are offered as a
standard for the serial interfaces which are to be used for the connection to remote stations.
Which procedure is to be used for the specific interface, is determined when configuring the
interface module.
The figure "Configuration of the active serial interface modules" shows the outline
configuration of the software modules contained on the interface module.
The link between procedure driver and SINUMERIK driver is the device management which in
turn must supply or interpret the AS 512 header, if configured.
For configuring and test purposes, independent software modules are provided on the CP.
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SINUMERIK 840/880 (PJ)