Bus board

The bus board connects all the other controller boards and allows you to connect the display. Additionally, it contains a graphics accelerator and FRAM memory. The PRO version also includes an SD card and an audio output (speaker). In the upper middle, there is a blue LED indicating that the power supply is functioning properly.

	Sound output
	Only the PRO version of the controller is equipped with an audio output. The controller can use sound warnings for the end of a program, an alarm clock, a minute timer, etc.

	Graphics coprocess.
	The BT817 graphics coprocessor assists the main processor with the display. It is also responsible for communicating with the touch layer and generating audio signals.

	FRAM memory
	The FRAM memory ensures the constant storage of the controller'a state in the event of a power failure. After an outage, the previous state is loaded, allowing the controller to continue the interrupted operation.

	CPU board slot
	Connector for inserting the processor board (PCI express x4)

	Connecting the display
	Display connector (FCC 40 pin)

	OPT board slot
	Expansion board connector (PCI express x1)

	SD card slot
	Micro SD card holder with a capacity of up to 32 GB. The PRO version of the controller includes an industrial-grade card with a capacity of 8 GB.

	ZDR board slot
	Connector for connecting the power board (PCI express x1)

Order codes:

CL5-LCDS - version without audio output and SD card

CL5-LCDP - version with audio output and SD card (PRO version)