3.6 External Control
83
Integrated value reset (RESET terminal)
Display hold (HOLD terminal)
External control terminal internal circuit schematic
• When integration is started with external control, it can only be stopped by external control. The integration
set time is ignored. If you attempt to stop integration with , [Err.11] will be displayed.
• A delay (data update interval) of up to 200 msec. will occur between input of the integration start signal
and the actual start of integration.
• The EXT lamp will light up while integration triggered by external control is being performed.
5 V (open)
0 V (shorted)
Integrated values are reset during this interval.
At least 200 msec.
• While integration is being performed (while the RUN lamp is lit up), integrated values cannot be reset.
Attempting to do so will cause [Err.15] to be displayed.
• A delay (date update interval) of up to 200 msec. will occur between input of the integration reset signal
and the actual integration reset.
5 V (open)
0 V (shorted)
At least 200 msec.
The display is held during this interval.
Display hold cancelDisplay hold start
A delay (data update interval) of up to 200 msec. will occur between input of the hold signal and the actual hold.
+5 V
10 k
100
49.9 k
1000 pF
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