9600 Service Manual - gmecorp-usa.com

28 C-Arm Control
BIT # PIN # SIGNAL FUNCTION COMMENT
PA0 4 - Output Ma_SCALE Change mA Scale Factor circuit on LO = FILM MODE (ARM)
X-ray Reg. PCB for mA Sense logic HI = FLUORO MODE
PA1 3 - Output FOCLSPOT Change large/small filament in FILM LO = .6 mm; HI = 0.3 mm
MODE; signal HI in FLUORO
FILM MODE Only; (ARM)
PA2 2 --------------- not used ---------------
PA3 1 - Output SHUTDOWN Shutdown Command for generator LO = Normal Operation
when fatal error/fault detected
HI = Generator Shutdown
PA4 40 --------------- not used ---------------
PA5 39 --------------- not used ---------------
PA6 38 --------------- not used ---------------
PA7 37 - Output FAULTRES Reset generator fault condition to
resume normal operation
LO = Normal Operation
HI = Fault Condition Reset
PB0 18 CHRG_DIS Charger Disable HI = Battery Chrgr Disabled
PB1 19 - 23 --------------- not used ---------------
PB6 24 -Output XRAYON X-ray On Command for X-rays LO = X-rays OK
PB7 25 - Output CPUINTLK Interlock Pulse; Start of Interlocks 20 mSec squarewave; TTL
PC0 14 - Input OVRLDFLT Overload Fault; Excess Primary
Current (340 A) detected with L1.
PC1 15 - Input SATFAULT Saturation Fault; Excess voltage
drop across Darlington transistors
HI = Overload Fault
PC2 16 --------------- not used ---------------
PC3 17 - Input FAULT Overvoltage Fault; 140 kVp or more
detected within generator assy.
HI = Saturation Fault
HI = Overvoltage Fault
PC4 13 - Input HVGENON HV Generator On; No faults/errors HI = X-rays allowed
PC5 12 - Input XRAYDISBL X-ray Disable; No faults/errors LO = X-rays allowed
PC6 11 - Input INTLK Interlock Complete; interlock end LO = Interlocks OK
PC7 10 - Input STATSENS Stator Sense LO = Stator OK
Table 3 - U27 - PIO 2 Pin Assignments