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Programming the VT1422A for Data Acquisition and Control 103Chapter 4
Before INIT
After INIT
Commands Accepted:
Commands Accepted:
Trigger Idle
State
Waiting for
Trigger State
Input,
Execute Algs,
Output
*RST or ABORT?
no
no
yes
yes
Trig Count
Exhausted?
Allcommands exept:
*TRG, TRIGGER,and ALG:UPD:CHAN
INITiate[:IMM]
Power-On
*RST
ABORT
Most of ALG subsystem
ARM[:IMM]
FETCH?
FORMAT
SENSe:DATA ...
STATus ...
SYSTem ...
*TRG & TRIGger[:IMMediate](if TRIG:SOUR is HOLD)
TIMerorother
trigger event
Figure 4-3. Module States