GE Medical Systems PRODIGY Service Manual page 41

4 long_enable
5 /long_fwd
6 long_lsw_override
7 /collimator_open_ctrl
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PRODIGY Service Manual (Rev C - 2000)
R/W 0 Longitudinal motor enable – low blocks trans motor pulses and
forces Centent drive to standby current level.
R/W 0 Longitudinal motor direction control.
R/W 0 Longitudinal limit switch override – prevent limit switch contact
from blocking step pulses at hardware level
R/W 1 Collimator solenoid control.
System Overview 2-47