143
8
Connecting External Devices
8.1 Waveform/Analog Output
(Waveform and D/A Output Option)
This instrument’s waveform and D/A output option includes analog output of freely-selected
measured values as well as unmodied voltage and current waveforms.
The analog output can be used to record uctuations over extended periods of time based on the
data refresh interval.
The waveform output generates output of voltage and current waveforms sampled at a rate
of 2.5 MS/s or 15 MS/s without modication at a rate of 1 MS/s, allowing the waveforms to be
observed through another device, such as an oscilloscope.
Connecting external devices
This section describes how to connect an application-specic device (for example, an oscilloscope,
data logger, or recorder) to the instrument’s D/A output terminal using its D-sub connector.
To ensure safe operation, be sure to turn o the instrument and device before connecting them.
Once the instrument and device have been connected, turn them back on.
Output circuit
+12 V
−12 V
100
Ω
GND
Output terminal
The output impedance of each output terminal is
approximately 100
Ω
.
When connecting a recorder, a DMM, or another device,
use a model with high input impedance (1 M
Ω
or more).
See “Specications of waveform and D/A output
(optional)” (p. 192).
Connector pin layout
The output on each pin can be set as desired.
Pin no. Output
1 GND
2 D/A1
3 D/A2
4 D/A3
5 D/A4
6 D/A5
7 D/A6
8 D/A7
9 D/A8
10 D/A9
11 D/A10
12 D/A11
13 D/A12
Pin no. Output
14 GND
15 D/A13
16 D/A14
17 D/A15
18 D/A16
19 D/A17
20 D/A18
21 D/A19
22 D/A20
23 GND
24 GND
25 GND
8 Connecting External Devices
Connecting External Devices
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