Azbil ALTJ 9000 Series, User Manual, Page: 37 / 68

8-3
Chapter 8 Calibration
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Wiring and Piping for Calibration
Generally, follow the diagram below.
24 V DC
power
+
−
V
P
Fig. 8-2. Wiring and piping for calibration of input
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Calibration Procedure for Measuring Range
After checking the measurement range using the communicator (
Chapter 6
Configuration (Setting)
), calibrate the measurement range at two locations, the lower
range value (LRV) and upper range value (URV), using the standard pressure device. For
details, refer to the user's manual for CommStaff shown below.
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Field Communication Software CommStaff Model: CFS100 Instruction Manual (Smart
ALTJ™ 9000 Immersion-type Liquid-Level Device Edition), No. CM2-CFS100-2014
„
Resetting the Calibration Value
Resetting the calibration value will put the calibration value in the noncalibrated status. At
this time, the diagnosis display message "CORRECTS RESET" appears. For details about
the diagnosis messages, refer to
Chapter 10 Self-diagnosis
. For details about the oper-
ating procedure, refer to the user's manual for the communicator shown below.
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Field Communication Software CommStaff Model: CFS100 Instruction Manual (Smart
ALTJ™ 9000 Immersion-type Liquid-Level Device Edition), No. CM2-CFS100-2014
Precision
resistor
Voltmeter
SUPPLY-
Black wire
Red wire
Standard pressure
generator