5.1 Overview
5-4
2. Connection of PC to Processor unit (RPU-013)
Connect a cross cable 9P D-sub (female - female) between the serial port of the PC and
the RS-232C port of the Processor unit as shown below.
Fig. 5.1.3 Connection for Program Updating
3. Notes for updating
1) Never turn off the power during the updating the DRAW program. If updating is not
completed successfully, the screen shows nothing and re-updating is disabled. When
this occurs, the SPU board should be replaced or update by the Mini-program card is
required. See page5-9.
2) In updating the RFC program, if the next step does not start with the message “NOW
ERASING Message….” displayed for 30 seconds or more, try again.
3) The SPU board uses three CPU programs: MAIN, ARPA, and DRAW CPU and
FPGA Program. Each program is isolated.
4) The table below lists approximate time for updating.
Updating
Program
Updating Time
Updating
Program
Updating Time
MAIN CPU 25 minutes FPGA 10 minutes
ARPA CPU 2 minutes RFC CPU 5 minutes
DRAW CPU 5 minutes
RS-232C Port
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