5.4.2
MENU entry with a verified password
At the flow measurement (main) display, press
the central “M”
MENU
key, it will enter into the password setting and verification MENU. The
default password is “11111”.
If the password is incorrect, the display will
return to the main display.
To enter a new password, press
the “Up” or “Down” key
to change the
digit that flashes, and press
the “M”
key to confirm. Repeat this process
for all 5 digits and the meter will enter into the menu setting
interfaces/screen.
Subsequently, the MENU allows the user to:
➢
Set Modbus address
F2 - Addr
➢
Change communication baud rate
F3 - bPS
➢
Reset or calibrate the offset
F11 - oFFST
➢
Enter the gas conversion factor (GCF)
F12 - GCF
➢
Set the 2
nd
-correction factor
F14 - Corr
➢
Change the response time
F16 - rESPS
➢
Set the unit for the accumulated or totalized flow rate
F31 - UnT-A
➢
Set the unit for the instant flow rate
F32 - UnT-F
➢
Change the default password
F91 - PASS
➢
Clear or reset the accumulated or totalized flow rate
F92 - CLr-A
➢
Reset the 2
nd
-correction factor
F94 - rS2nd
➢
Exit from the MENU
F99 - qUIT
Note
: During this process, the meter will continue to measure the flow without being interrupted.
5.4.3
Set the RS485 Modbus address
After the password is verified and entered into the MENU settings, press the “Up” or “Down” key
until the screen shows the F2 - Addr as indicated to the left.
The Modbus address has 3 digits, which can be any number
between 001 to 255. Press the “M” key
to enter into the change
address screen. Press the “Up” or “Down” key to change the
flashing digits, and then press the “M” key to confirm. After the
address is set, the display will return to F2 - Addr, which indicates
the task is completed. Press the
“Up” or “Down” key to select F99
-
qUIT and the “M” key to exit the MENU and return to the Main
Display screen.
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MF5000 User Manual
