DigitalFlow™ GF868 Programming Manual (1-Channel) 31
Chapter 1. Programming Site Data
1.12.1 MODBUS (RS485) Parameters
If your GF868 does not include an option card for MODBUS communications, you have completed programming the
COMM submenu. However, if you have installed a MODBUS option card, the following additional prompts appear.
1. Press [F1]-[F4] to select the desired MODBUS Baud Rate from four selections: 2400, 4800, 9600 and 19,200.
2. Press [F1]-[F3] to set the MODBUS Parity as none, odd or even.
3. Press [F1] to select one MODBUS Stop Bit, or [F2] to select two stop bits.
4. Use the numeric keys to enter a MODBUS Address (from 1 to 247) and press [ENT].
Programming of the COMM submenu has now been completed. To leave the User Program, press [EXIT]. If changes have
been made in any of the submenus, the following screen appears:
Note: See the
SAVE submenu section on page 34 of this chapter for more information on this function.
1.12.2 MODBUS/TCP Parameters
If your GF868 does not include an option card for MODBUS/TCP communications, you have completed programming
the COMM submenu. However, if you have installed a MODBUS/TCP option card, you must complete the following
steps:
1. Press [F3] to select the appropriate MODBUS Baud Rate of 9600.
2. Press [F1]-[F3] to set the MODBUS Parity as none, odd or even.
3. Press [F1] to select one MODBUS Stop Bit, or [F2] to select two stop bits.
4. Use the numeric keys to enter a MODBUS Address (from 1 to 247) and press [ENT].
Programming of the COMM submenu has now been completed. To leave the User Program, press [EXIT]. If changes have
been made in any of the submenus, the SAVE screen (shown above) appears. Press [F1] to return to measurement mode
without saving the file or press [F2] to enter the SAVE submenu and save the file.
PROGRAM Start
At the User Program screen shown, press [F1] to return to measurement mode
without saving the file or press [F2] to enter the SAVE submenu.
Do you want to SAVE
current selection appears here
No Yes
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