HBM Spider8 - Page 38

B-12
Structure of the PC measurement electronics for Spider8 Ý I / O socket
Spider8
I/O signal timing diagram
Start
(ext. trigger,
input)
MSR
(measure
output)
RDY
(wait for trigger,
output)
H
L
H
L
L
H
MSV
command
Trigger:
external, internal;
TRG command
Stop:
required
number of values
reached;
STP command
Time
tp
tm
ts
tm = Synchronisation time (max. 1 set sample time = 1/sample rate)
tp = Pre-trigger time (number of defined pre-trigger samples =
Pre-trigger)
ts = Trigger start pulse (minimum width u set sample time)