6240B DC Voltage Current Source/Monitor Operation Manual
5.2.11 External Control Signals
5-60
Tp: Setting period time
Th: Setting hold time
Tp (ext): TRIGGER IN signal period time
Th (ext): TRIGGER IN signal hold time (Time from sweep start trigger input to source value gener-
ation)
Thp (ext): Time from sweep start trigger input to next step trigger input
Top: Time from specifying Operate to inputting TRIGGER IN signal
*1: Approximately the time of "the number of steps 0.5 ms" is added in the sweep
source mode.
Tp (ext) min: The minimum operational period of the TRIGGER IN signal
Conditions:
source range; fixed, measurement range; fixed, trigger mode; HOLD, integration
time; 100 s, Auto Zero; OFF, measurement delay;100 s, source delay; 30 s,
pulse width; 500 s, at high-speed burst operational status in the BURST mode (*2)
*2: High-speed burst operational status
The High-speed burst operational status starts when the TRIGGER IN signal is
input with the conditions: measurement range; fixed, SWP range; fixed, trigger
mode; HOLD, and memory mode; BURST. And it is as follows:
• The indicator is always displayed rotating.
• Pressing the TRG key or executing the *TRG command is ignored until the
source measurement condition is changed or Suspend or Standby is specified.
• When TpALM turns on, this operational status stops and the step time becomes
the same as NORMAL and OFF.
Table 5-16 TA Value
Memory mode
Tp Setting time
BURST NORMAL, OFF
300 s 5 ms 1.000 ms to 60.000 ms
400 s 60.01 ms to 600.00 ms
500 s 600.1 ms to 6000.0 ms
2 ms 6001 ms to 60000 ms
Table 5-17 Restrictions on Top
Status before Operate Top
Standby 120 ms *1
Suspend HIZ 60 ms
LOZ 10 ms
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