Emerson 250-5000, Инструкция по установке и эксплуатации

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RS-485 Communications Quick Setup Instructions • 17
7 Quick Setup Instructions
These instructions assume the meter is set to factory
defaults. If it has been previously configured, all
optional values should be checked.
1. Press the + or - button repeatedly until
SETUP screen appears.
2. to the PASWD screen.
3. through the digits. Use the + or - buttons
to select the password (the default is 00000). Exit
the screen to the right.
4. Use the + or - buttons to select the parameter
to configure ( - works best).
5. If the unit has an RS-485 interface, the first Setup
screen is S COM (set communications).
a. to the ADDR screen and through the
address digits. Use the + or - buttons to select
the Modbus address.
b. to the BAUD screen. Use the + or -
buttons to select the baud rate.
c. to the PAR screen. Use the + or -
buttons to select the parity.
d. back to the S COM screen.
6. - to the S CT (Set Current Transducer) screen.
If this unit does not have an RS-485 port, this will
be the first screen.
a. to the CT V screen. Use the + or -
buttons to select the voltage mode Current
Transducer output voltage.
b. to the CT SZ screen and through the digits.
Use the + or – buttons to select the CT size in
amps.
c. back to the S CT screen.
7. - to the S SYS (Set System) screen.
a. to the SYSTM screen. Use the + or -
buttons to select the System Type (see wiring
diagrams).
b. back to the S SYS screen.
8. (Optional) - to the S PT (Set Potential
Transformer) screen. If PTs are not used, then
skip this step.
a. to the RATIO screen and through the
digits. Use the + or – buttons to select the
Potential Transformer step down ratio.
b. back to the S PT screen.
9. - to the S V (Set System Voltage) screen.
a. to the VLL (or VLN if system is 1L-1n)
screen and through the digits. Use the + or -
buttons to select the Line to Line System Voltage.
b. back to the S V screen.
10. Use the to exit the setup screen and then
SETUP.
11. Check that the wrench is not displayed on the
LCD.
a. If the wrench is displayed, use the + or -
buttons to find the ALERT screen.
b. through the screens to see which alert is on.
For full setup instructions, see the configuration
instructions in Section 10, User Interface for Data
Configuration , Section 11, Alert/Reset Information , and
Section 12, User Interface for Setup .