Front Panel Operation
2-51
2.10.1 2V analog output
The 2V ANALOG OUTPUT provides a scaled 0-2V output
that is non-inverting in the volts mode. Connections for using
this output are shown in Figure 2-40. For a full-range input,
the output will be 2V; typical examples are listed in
Table 2-16. The 2V ANALOG OUTPUT signal is not
corrected during calibration. Gain errors of up to 15% may
appear at this output, depending on function and range
selection.
Note that the output impedance is 10kΩ; to minimize the
effects of loading, the input impedance of the device
connected to the 2V ANALOG OUTPUT should be as high
as possible. For example, with a device with an input
impedance of 10MΩ, the error due to loading will be
approximately 0.1%.
Table 2-16
Typical 2V analog output values
Range Applied signal
Nominal 2V analog
output value*
20pA
2µA
200V
20nC
10.4pA
1.65µA
35V
19nC
-1.04V
-1.65V
0.35V
-1.9V
*Output values within ±15% of nominal value.
R
L
= Input Resistance of
measuring device
Input from
Prescaler
COM
S
B. Equivalent Circuit
+
-
S
24.9kΩ
1Ω
10kΩ
R
F
= 4.99kΩ
Model 6517A
Measuring Device
(Example: Chart recorder)
2V Analog Output
Model 6517A
A. Connections
Model 1683
Test Lead kit
LO
HI
WARNING:
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
WARNING:
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
INPUT
250V PEAK
!
LINE RATING
50-60HZ
50VA MAX
AC ONLY
LINE FUSE
SLOWBLOW
1/2A 90-125V
1/4A 180-250V
IEEE-488
(CHANGE IEEE ADDRESS
WITH FRONT PANEL MENU)
DIGITAL
I/O
TRIG LINK
115V
Figure 2-40
Typical 2V analog output connections
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