stand-alone
operation
SYNRAD FH Series Flyer Operator’s Manual Version 3.4
10
3
Configuration
Output masks
An output mask is required for SetDigitalInit, SetDigitalMatch, SetDigitalNoMatch,
SetDigital16, and Error keywords. For example, the SetDigitalMatch keyword defines the
output state to set when Flyer successfully matches an input state to a particular mark file. The
first argument is a mask value and the second argument is the desired output state. The mask
value prevents Flyer from changing any outputs that fall outside the mask boundary.
Output example # 1:
Output
#
OUT7 OUT6 OUT5 OUT4 OUT3 OUT2 OUT1 OUT0
Current
output
state
(0x4F)
0 1 0 0 1 1 1 1
Output
mask
value
(0x60)
0 1 1 0 0 0 0 0
Desired
output
state
(0x20)
0 0 1 0 0 0 0 0
Result
of
mask
(0x2F) 0 0 1 0 1 1 1 1
The mask value (0x60) means that only OUT5 and OUT6 will be changed, if necessary, to the desired
output state. In this example, OUT5 is Set and OUT6 is Cleared to indicate that a file match was success-
ful. Note that outputs OUT7, OUT4, and OUT3–OUT0 are unchanged because of the mask operation.
Summary of Contents for FH FLYER
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