Delta Tau Turbo PMAC PCI-Lite, Справочник по аппаратуре

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Turbo PMAC PCI Lite
E-Point Jumper Descriptions 31
E18
– E20: Power-Up/Reset Load Source
E Point and
Physical Layout
Location Description Default
E18
E20
B4 To read flash IC on power-up/reset, remove jumper
E18. Jump E19. Jump E20.
Other combinations are for factory use only. The
board will not operate in any other configuration.
No E18 jumper
installed;
Jump E19 and E20
E21: Power-Up/Reset Load Source
E Point and
Physical Layout
Location Description Default
E21
B4 Jump pin 1 to 2 to reload firmware through serial or
bus port.
Remove jumper for normal operation.
No jumper
E22 - E23: Control Panel Handwheel Enable
E Point and
Physical Layout
Location Description Default
E22 A9 Jump pin 1 to 2 to obtain handwheel encoder signal
from front panel at J2-16 for CHB2 (ENC2-B). No jumper
E23 A9 Jump pin 1 to 2 to obtain handwheel encoder signal
from front panel at J2-22 for CHA2 (ENC2-A). No jumper
Note: With these jumpers ON, no encoder should be wired into ENC2 on JMACH1. Jumper E26 must connect pins
1-2, because these are single-ended inputs. This function is unrelated to the encoder brought in through Acc-39 on
J2.
E28: Following Error/Watchdog Timer Signal Control
E Point and
Physical Layout
Location Description Default
E28 C6 Jump pin 1 to 2 to allow warning following error
(Ix12) for the selected coordinate system to control
FEFCO/ on J8-57.
Jump pin 2 to 3 to cause Watchdog timer output to
control FEFCO/.
Low true output in either case.
2-3 Jumper installed