Response Electronics CL6011B Especificaciones Pagina 48

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4-18 Input and Output Cards
UM4.6:CS6003 Original — December 1991
Table 4-10. Test Voltages for Low-Level Analog Input Cards
Test Voltages in Millivolts
Thermocouple Input by Type and Temperature
Range in
°F
J K T E R
Adjust-
ment
%
Span
Millivol
t Input
–60 to
640
0 to
1400
0 to
2300
0 to
1000
–300
to 600
–100
to
1600
0 to
3200
Numerica
l Display
0 –10.000 6.843 8.441 6.641 6.641 1.195 6.328 0.850 0000
ZERO 0.5 –9.587 6.951 8.667 6.907 6.759 1.304 6.692 0.959 0016 or
0017
20 6.000 11.022 17.202 16.977 11.230 5.417 20.435 5.069 0640
40 22.000 15.202 25.964 27.314 15.818 9.639 34.542 9.288 1280
60 38.000 19.381 34.725 37.650 20.407 13.861 48.649 13.507 1920
80 54.000 23.561 43.487 47.987 24.995 18.083 62.756 17.726 2560
SPAN 100 70.012 27.743 52.255 58.331 29.588 22.308 76.874 21.948 3200 or
3201
Step 10: Set the voltage source to the voltage level for 100 percent of
span, as indicated in Table 4-10 for the input card type. Adjust
the SPAN potentiometer for channel 1 until the calibrator
numerical display fluctuates between 3200 and 3201.
Step 11: Repeat steps 9 and 10 until no adjustment is required for
either step.
Step 12: Perform a linearity check for channel 1. Set the voltage supply
to the various voltage levels listed Table 4-10 for your card,
and observe the calibrator numerical display. Verify that for
each voltage level, the display is within +
0004 of the required
number listed in the table. If any incorrect numerical display
appears, the isolated low-level analog input card requires
repair.
Step 13: Repeat steps 7 through 12 for input channels two through
four.
Step 14: Remove the external voltage source.
Step 15: Set the calibrator ON/OFF switch to OFF.
Step 16: Disconnect the umbilical cable and remove the isolated
low-level analog input card.
4.1.5 Types DM6361 and DM6362 Low-Voltage Discrete
Input Cards
Type DM6361 and Type DM6362 Discrete Input Cards use a low-voltage
discrete input card. The Type DM6363 Discrete Input Card uses a
high-voltage discrete input card. There are no user adjustments on the
card. Each card type has a functional test procedure.
4
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