DigitalFlow™ DF868 Multipurpose Ultrasonic Liquid Flowmeter Programming Manual (2-Channel) 43
Chapter 1. Programming Site Data
1.7.7 MODBUS (RS485) Parameters
If your DF868 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].
1.7.8 MODBUS/TCP Parameters
If your DF868 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, 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].
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