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0004-000067
Process Variable Type Values
Description
setTrigHoldoff
getTrigHoldoff
ao
ai
0 to 100
Holdoff time in seconds to wait before detecting
trigger
setTrigCount
getTrigCount
longout
longin
1 to 65535
Trigger event count to qualify trigger
Advanced Trigger Process Variables
The following table lists the PVs for the advanced trigger settings. These PVs configure
advanced trigger functions including trigger B, pulse width triggering, glitch triggering,
pattern triggering, and video triggering. Consult the M-Class DSO Instrument Manual for
complete details on advanced triggering options.
Process Variable Type
Values
Description
setTrigBEnable
getTrigBEnable
bo
bi
0 or 1
Trigger B enable:
0 = disable
1 = enable
setTrigBSource
getTrigBSource
mbbo
mbbi
Discrete
Trigger B source:
“TTLT0” = TTLTRG0 (external header)
“TTLT1” = TTLTRG1 (external header)
“TTLT2” = TTLTRG2 (external header)
“TTLT3” = TTLTRG3 (external header)
“TTLT4” = TTLTRG4 (external header)
“TTLT5” = TTLTRG5 (external header)
“TTLT6” = TTLTRG6 (external header)
“TTLT7” = TTLTRG7 (external header)
“INP1” = input channel 1
“INP2” = input channel 2
“INP3” = input channel 3 (ZT4xx2)
“INP4” = input channel 4 (ZT4xx2)
“EXT” = external input
“MAN” = software only
“PATT” = pattern
setTrigBSlope
getTrigBSlope
mbbo
mbbi
Discrete
Trigger slope or polarity:
“NEG” = negative
“POS” = positive
setTrigBHoldoff
getTrigBHoldoff
ao
ai
0 to 100
Holdoff time in seconds to wait before detecting
trigger B
setTrigBCount
getTrigBCount
longout
longin
1 to 65535 Trigger B event count to qualify trigger B
setTrigPWLower
getTrigPWLower
ao
ai
10e-9 to
500e-3
Lower limit for pulse width triggering time in seconds:
10 ns to 500 ms, 5 ns resolution
setTrigPWUpper
getTrigPWUpper
ao
ai
10e-9 to
500e-3
Upper limit for pulse width triggering time in seconds:
10 ns to 500 ms, 5 ns resolution
setTrigGlitchLimit
getTrigGlitchLimit
ao
ai
10e-9 to
500e-3
Limit for glitch triggering time in seconds:
10 ns to 500 ms, 5 ns resolution
