Device User’s Guide
8. Synchronization with other instrument
27
Mode of operation:
In the SEC2020 Spectrometer system, START/STOP control is performed on the
measurement when a change in the external TTL signal is received. The signal format is a
high level method, as shown in Figure8-3. The spectrometer is designed to operate when
the external input signal changes from 0 V to 5 V.
①
As shown in Figure8-2, black cable is Ground (GND) and brown cable is Trigger In
terminal. Please connect with each potentiostat terminal. For Model 2325
Bi-Potentiostat, connect DGND to the Ground terminal of SEC2020 and V_RDE to the
Trigger In terminal from the 9 pin terminal on the back, as shown in Figure8-4.
②
Turn on the power of the Model 2325 Bi-Potentiostat.
Caution: If you turn on the power of the Model 2325 Bi-Potentiostat before
connecting the trigger cable, it will not work properly. Please be careful to turn on
after setting the equipment.
Figure 8-3: Trigger operation schematic of SpectraSmart
Figure 8-4: 9 pin sub-D terminal of Model 2325