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6.3 Reading process variable

Select the first item in the main menu to enter the function of reading process

variables. The process variables listed in this menu include principal variables,
output current and percentage value, etc., and are updated in real time with each
communication

6.4 diagnosis and maintenance

Select the second item from the main menu to enter the diagnosis and

maintenance menu, which includes options for equipment self-inspection, loop
current detection, and meter calibration.Selecting equipment self-inspection, it can
achieve equipment self-inspection, and report the test results. Selecting circuit
current detection, the transmitter can output a fixed current signal to verify whether
the whole circuit is normal.Select calibration, can carry out sensor calibration and
analog current output calibration.

6.5 basic Settings

Select the third item from the main menu to enter the basic Settings menu,

which allows you to alter some common information, and more configuration
parameters will be provided in the detailed Settings.Menu items have three states,
one is the sub-menu, press the right arrow key to enter the sub-menu;Second,

1Master variable

*** Kpa

Current

***

mA

Percentage ***

%

1 Device Self-check

2 Loop Current Set

3 Calibration

Содержание HART 475

Страница 1: ...1 HART 475 COMMUNICATOR USER MANUAL Hangzhou Zhongchuang Electron Co Ltd...

Страница 2: ...vironment 4 Keyboard Introduction 4 Establish Connection 4 Funtion Introduction 6 Common Function Operation Example 9 Polling Meter Battery Power 12 Instrument Information 12 Language Selection 12 Res...

Страница 3: ...ilt in 1 3 Dedicated test line 1 4 Charger 1 5 250 ohm resistor 2 6 User manual 1 Production Introduction HART series manual operators are suitable for the communication operation of HART protocol int...

Страница 4: ...g temperature range 0 C 50 C Storage temperature range 20 C 55 C Note Exploding the device in the sun will significantly shorten the life of the LCD panel and accelerate the aging of the button panel...

Страница 5: ...nected or disconnected Set as connectting internal resistance there is no need to connect external resistance When set to disconnect the internal resistance the external resistance should be connected...

Страница 6: ...d well After the meter loop is connected correctly hold down the power button for three seconds and the LCD screen is lit to indicate that the device has been working Hold down the power button for th...

Страница 7: ...e 3 battery power 4 local information 5 language 6 resistance connection For any type of meter you can always return to the item menu by pressing the left arrow key or the Back key several times Ifent...

Страница 8: ...inspection it can achieve equipment self inspection and report the test results Selecting circuit current detection the transmitter can output a fixed current signal to verify whether the whole circu...

Страница 9: ...main menu to enter the detailed Settings menu which provides more configuration information For different HART devices the detailed Settings are quite different Only through the registered device its...

Страница 10: ...ntenance 3 calibration 1 output fine tuning Note the output current fine tuning function can only be performed when HART instrument leaves the factory and is tested periodically The use of this functi...

Страница 11: ...unicator will automatically poll all connected devices from address 0 to address 15 The second item in the menu is single point polling You can choose any address between 0 and 15 for communication If...

Страница 12: ...wer Select the third item from the item menu to enter the display battery power function which will detect the remaining battery power in the current communicator When the battery power is too low ple...

Страница 13: ...ns 13 1 the communicator is not connected to the meter 1 check whether the loop equipment supports HART function 2 check the size of the circuit load resistance load resistance should be between 250 5...

Страница 14: ...pull the data line to avoid the bad contact of the line and the unusable situation 14 4 please press the keyboard lightly to avoid heavy hitting and extend the life of the keyboard 14 5 batteries sho...

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