
DigitalFlow™ DF868 Multipurpose Ultrasonic Liquid Flowmeter Programming Manual (2-Channel)
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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].