Keithley 6517A

IEEE-488 Reference
3-121
Effects of positive transitions on the Trigger Event Register:
Positive transition effect on
Trigger event Trigger Event Register
Sequence 1 Sets B1 when waiting in Trigger Layer.
B15 - B2
B1 B0
(2 )
1
2
0/1
Bit Position
Event
Decimal Weighting
Value
Value : 1 = Enable Positive Transition
0 = Disable Positive Transition
A) Positive Transition (PTR) Register
Seq1
B15 - B2
B1 B0
0/1
Bit Position
Event
Decimal Weighting
Value
Value : 1 = Enable Negative Transition
0 = Disable Negative Transition
B) Negative Transition (NTR) Register
Seq1
(2 )
1
2
Figure 3-37
Trigger Transition Filter