tech notes 2:
CATI CONTROL GETS ERROR "0005 COMMUNICATIONS BUFFER FULL"
Look at Digital I/O board, I/O 9 and 33 should be flashing to indicate that the master and slave processors are running. If indicators are not flashing; turn power off, push in and hold reset button on ASSY 14 between F1 and F2, turn power on, release push button. If system does not come up contact INCON Systems. If processors are running check ASSY13 J5 for the following signals: Pin 4 DSR= -10 VDC supplied from main computer, Pin 5 CTS= +10 Vdc supplied from main, Pin 6 RTS= +10 VDC supplied from Control center, Pin 7 GND= 0VDC, Pin 8 Data= Data from main, Pin 9 Data= Data from Control center. If a voltage or data is missing the RS232 port that should be generating the signal is bad. Contact INCON Systems.

MACHINE WILL NOT MOVE WHEN COMMANDED WITH THE JOY STICK:
Check software limit switches. Turn all limits off. Turn off any CONTOUR limit switches. Joy stick output is about 2.5 VDC with joy stick centered. It will go + /- about .5 VDC (ranging from 2.0 to 3.0 VDC) check the voltage at the following points: CATI: 13J1B-10 is X output, 13J1b-6 is Y output. CATII: K7J4A-10 is X output, K7J4B-13 is Y output.

MACHINE WILL NOT MOVE WITH JOY STICK, POWER FEED FROM CONTROL OR PENCIL TRACE:
Check software limit switches. Turn all limits off. Turn off any CONTOUR limit switches. Check over ride pots from joy stick control and Control Center: CATI: Go to SYSTEM SETUP/ COMPUTER RESET screen, touch 52468. Go to SYSTEM COMMON 3 screen and enter the number 1.049 in the HP MONITOR LIST touch field. Go to SYSTEM STATUS screen, check SPAR (column numbers are in HEX and should go from 0000 to FFFF as pot on control center or joy stick goes from min to max.) If display is not changing accordingly check wiring with volt meter for 0-5 VDC at 13J1B-2 for joy stick over ride and 13J1B-4 for Control Center. CATII: Go to MISC FUNCTION/DISPLAY STATUS screen. Touch OVERRIDE POT on upper right of screen to highlight. Display will go from 0 PERCENT to 100 PERCENT as override pots go from min to max. If display is not correct check wiring with volt meter for 0-5 VDC at K7J4B-16 for joy stick over ride and K7J4B-19 for Control Center.



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