Response Electronics CL6011B Dokumentacja Strona 97

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5-19Controller Cards
Original — December 1991 UM4.6:CS6003
5.5 Type CL7011 Computing Controller Card
(without Dual Current Output)
This calibration procedure for the computing controller allows the user to
calibrate the 0 percent (ZERO) and 100 percent (SPAN) voltage levels of
the analog-to-digital conversion circuit. It also allows the measurement of
the 0 percent and 100 percent values of the two analog outputs and the
adjustment of the 100 percent analog current outputs. The procedure
tests the discrete inputs and outputs on the computing controller.
5.5.1 Equipment Required
The following equipment is required:
Type CS6003 Calibrator
Voltmeter
X00823–A
R45 Span Adjustment R44 Zero AdjustmentR61 Span Current Output 1
Figure 5-11. Type CL7011 Computing Controller Unit (Without Dual
Current Output)
5.5.2 Calibration Procedure
Use the following procedure to calibrate the card:
Step 1: Verify that the calibrator ON/OFF switch is OFF.
Step 2: Insert the computing controller card shown in Figure 5-11, in
the test slot labeled COMPUTING.
Step 3: Set the calibrator ON/OFF switch to ON.
Step 4: Press the calibrator RESET switch. The IN PROGRESS
indicator lights and remains lit until the card self-test is
finished. When finished, the COMPLETE indicator should
light. If the COMPLETE indicator fails to light in one minute,
the computing controller card requires repair.
5
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