RTC
®
5 PC Interface Board
Rev. 1.9 e
15 Appendix A: The RTC
®
5 PC/104-Plus Board
574
15 Appendix A: The RTC
®
5 PC/104-Plus Board
15.1 Product Overview
15.1.1 Intended Use – Comparison to
the RTC
®
5PCinterface board
Just like the RTC
®
5 PC interface board, SCANLAB’s
RTC
®
5 PC/104-Plus board is intended for
synchronous real-time control of scan systems, lasers
and peripheral equipment. It differs from the
RTC
®
5 PC interface board in the following hardware-
related details:
•The RTC
®
5 PC/104-Plus board is a PC/104-Plus
module. Unlike an RTC
®
5 PC interface board, it
isn’t installed in a PC slot. Instead, it connects via
its stack-through connectors (directly or
indirectly) to a PC/104-Plus CPU board. Up to four
RTC
®
5 PC/104-Plus boards can be operated via a
CPU board.
•The RTC
®
5 PC/104-Plus board provides additional
jumpers for customized configuration with
respect to both the power supply and the
position in the PC/104 stack.
• The number, type and positioning of connectors
for controlling scan systems, lasers and peripheral
equipment differ from that of the
RTC
®
5 PC interface board.
Otherwise, the RTC
®
5 PC/104-Plus board provides
the same functionality for controlling scan systems,
lasers and peripheral equipment as the
RTC
®
5 PC interface board. Specifications for signal
inputs and outputs are the same as with the
RTC
®
5 PC interface board, as are software instal-
lation and application programming. Both the
RTC
®
5 PC/104-Plus board and the
RTC
®
5 PC interface board use the same software
package (driver, DLL, import declarations, etc.) and
same command set.
15.1.2 System Requirements
Hardware
The RTC
®
5 PC/104-Plus board is a PC/104-Plus
module with a corresponding form factor. The
dimensions of the RTC
®
5 PC/104-Plus board are
shown in figure 61 on page 577 (note that the 100-
pin MULTI connector projects slightly beyond the
RTC
®
5 PC/104-Plus board’s PCB edge). The
RTC
®
5 PC/104-Plus board provides PCI and ISA stack-
through connectors and can be directly or indirectly
(in a stack of several PC/104-Plus modules) connected
to a PC/104-Plus CPU board. If necessary, the board
can be electrically configured for its position in a
stack via jumpers (see page 584).
Data transfer is via the board’s PCI bus in compliance
with PCI Local Bus Specification Revision 2.2. Stacks
of up to four PC/104-Plus modules (plus the PC/104-
Plus CPU board) can be created. PC/104 standard
modules (ISA modules not designed for the PCI bus)
might need to be moved to higher stack positions.
RTC
®
5 PC/104-Plus boards intended for master/slave
synchronization must be stacked adjacently.
To supply power for the RTC
®
5 PC/104-Plus board,
the CPU board must provide at least +5 V at the PCI
or ISA bus. A jumper on the RTC
®
5 PC/104-Plus board
configures which bus is to provide the power (see
page 585).
A supplementary ±12 V power supply at the PCI bus
is advantageous, but not mandatory (see page 585).
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