Response Electronics CL6011B Dokumentacja Strona 35

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4-5Input and Output Card
Original — December 1991 UM4.6:CS6003
channels. The ZERO potentiometer on each channel controls the
minimum level for that channel. The 0 percent voltage input level is
calibrated slightly above a true zero voltage to allow for underranging.
The SPAN potentiometer on each channel controls the maximum level
for the channel. Figure 4-2 shows the location of the ZERO and SPAN
potentiometers for each channel on the isolated input card.
X00606–A
R16 Channel 2 Span
R15 Channel 1 Span
OLD STYLE
NEW STYLE
U25
R22 Channel 1 Zero
R26
Channel 2
Zero
R17 Channel 3 Span
R32 Channel 4 Zero
R28
Channel 3
Zero
R18 Channel 4 Span
S1
T1
R16 Channel 1 Zero
R17 Channel 2 Zero
R33 Channel 1 Span
R41
Channel 2
Span
R18 Channel 3 Zero
R19 Channel 4 Zero
R44
Channel 3
Span
R52 Channel 4 Span
Figure 4-2. Isolated Analog Input Card
4
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