2.4 Command List
2 – 11
Bit 2,
Direction
is 1 when the shutter is currently commanded to the
open state, and 0 when commanded to the closed state. (This bit is
only meaningful when the motor is enabled.)
Bit 3,
In transit
is 1 when the shutter blade is between the open and
closed positions. (This bit is only meaningful when the motor is
enabled.)
Bit 4,
Logic-level lockout
is 1 when the logic-level control input is
disabled.
Bit 5,
Serial lockout
is 1 when the serial control of the blade position
is disabled.
Bit 6,
Alignment mode
is 1 when the shutter head is in alignment
mode. (This bit is only meaningful when the motor is enabled.)
Bit 11,
Locked
is 1 when the shutter blade is servo locked to the
correct position.
Bits 12 and 13,
Mode number
give a number from 0 to 3 that indicates
which of the alternate speed modes is presently selected.
SR475 and SR476 Laser Shutters
Distribution in the UK & Ireland
Lambda Photometrics Limited
Lambda House Batford Mill
Harpenden Herts AL5 5BZ
United Kingdom
E: [email protected]
W: www.lambdaphoto.co.uk
T: +44 (0)1582 764334
F: +44 (0)1582 712084
Characterisation,
Measurement &
Analysis
