HDI 2522, Руководство пользователя

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HDI 2522 Position Indicator Gauge
IECEX/ATEX User’s Manual – HDI 2522, Rev A | November,2019
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HDI keeps records on all the products it ships, and these records are filed by the serial number of the
system. An additional feature of the 2522 gauge system is to be able to locate this serial number through
the configuration mode. This is also available in the run mode.
To view the serial number, with the unit powered on, press the ( M ) button once and the serial number
will display.
5.C Calibration
The HDI 2522 gauge is electronically calibrated from the front panel.
All calibration is performed in units of PERCENTAGE. The gauges will require field calibration after first
field installation of potentiometer and for such circumstances as potentiometer replacement, control
head replacement, or replacing the primary PCB. Calibration is valid for at least one year from the date
stamped by HDI.
5.C.1 Setting Closed Position Level
1. Once the installation is complete the position should be closed completely.
2. Apply power to device by pressing the POWER button.
3. The Position Indicator will perform a short self-test during which time all LCD segments will be
active.
4. After the self-test is complete, the display will be in the run/active mode.
(RUN indicator will appear at the lower left side of the LCD display).
5. Check to verify the position is completely CLOSED, press the MODE button.
(RUN indicator will turn OFF).
6. Press the Down ↓ button . (Unit is now in calibration mode)
7. The down arrow and a four digit number will appear at the top of the LCD display.
8. Press the Enter button.
(This function causes the gauge to accept (store) the low / closed set point position, unit returns
to RUN mode).
9. The closed position level is now set, and the three digit display should read 000.0