Introduction
6
• "Technical Data" on page 40
contains the technical data of the ES1651.1 Carrier Board.
1.1
Applications and Features
The ES1651.1 Carrier Board acts as a carrier board for up to four I/O modules
in VMEbus systems. All modules of types ”PB4350XXX” and ”PB1651XXX”
can be used in any combination. An SPI control unit realized in the FPGA of the
board converts the parallel data flow of the processor into a serial bit flow for
the SPI interfaces of the I/O modules.
The ES1651.1 Carrier Board has a crankshaft angle clock bus for testing engine
ECUs in LABCAR projects; this can be used to synchronize I/O modules with a
central crankshaft angle clock for speed-synchronous signal acquisition and
signal generation. The crankshaft angle clock bus is routed to the 9-pin Sub-D
connector on the front panel of the board so that the crankshaft angle clock
can be both supplied externally as well as routed to the outside.
Synchronization Bus
The ES1651.1 has a synchronization bus to synchronize the I/O modules of an
ES1651.1 Carrier Board with each other. It consists of four lines which can be
configured independently of each other. The bus is also routed to the 9-pin
Sub-D connector on the front panel of the board so that the signals can be
Note
Some components of the ES1651.1 Carrier Board may be damaged or
destroyed by electrostatic discharges. Please keep the board in its storage
package until it is installed.
The ES1651.1 Carrier Board should only be taken from its package, config-
ured and installed at a working place that is protected against static dis-
charge.
Note
The components, connectors and conductors of the ES1651.1 Carrier Board
may carry dangerous voltages.
These voltages may even exist when the board is not installed in the VMEbus
system or the VMEbus system is powered off.
Make sure that the board is protected against contact during operation.
Disconnect all connections to the ES1651.1 Carrier Board before removing
the board from the VMEbus system.
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