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8 2321-20 WAVEFORM MODULE
Trigger input/output specifications
8.7.2 Function Specifications
Execute the functions from the PC application via communications.
Monitoring function
Output the current measured value
Recording function
Recording the measured values and waveforms under pre-set conditions
• Actual timing control: controlled by PC application
Recording: start of trigger waiting: immediate start/start of pre-set time (start from
suitable intervals).
Recording: end of trigger waiting: manual finish/end at pre-set time
• Power outage strategy: after power is restored, automatic restoration to condition
before the power outage.
Record of measured value
(Record measured values under conditions set at each pre-set interval)
V p-p(1) =V peak(1) - V bottom(1)
V peak(1)
V bottom(1)
V peak(2)
V bottom(2)
V bottom(3)
V peak(3)
V peak(4)
V bottom(4)
V peak(5)
V bottom(5)
V p-p(2) =V peak(2) - V bottom(2)
V p-p(3) =V peak(3) - V bottom(3)
V p-p(4) = V peak(4) - V bottom(4)
V inst(1)
V inst(2)
Recording
V inst(3)
V inst(4)
V inst(5)
0 1 2 3 4 5 (sec)
[Example] 5 seconds recording interval, sampling at 100 ms
Trigger input Judgment level: L +0.0 V to +1.0 V, H +2.5 to +5.0 V
(logically unspecified for the 1.0 V to +2.5 V)
Pulse width Above the sampling interval specified for waveform recording
Maximum input voltage DC10 V
Trigger output Open collector output DC30 V/500 mA MAX.
Operation when memory
is full Memory full stop /Endless

Set the condition before the start of recording.
Recording interval 1/2/5/10/15/20/30 sec., 1/2/5/10/15/20/30/60 min.
Recording mode Instantaneous value of the measured value at each interval, MAX/MIN/AVE,
MAX/MIN/AVE + instantaneous value (instantaneous value at each interval only
for logic).
* Recording mode can be chosen from PC application.
Recorded data One data set contains: Time, interval value of measured value (according to the
recording mode)

Data is scaled if scaling is ON. (excluding CF, logic data)