Chapter 1. Programming Site Data
30 DigitalFlow™ GF868 Programming Manual (1-Channel)
1.12 Setting Up Serial Communications
The Model GF868 flowmeter can transmit stored data and displayed readings to a remote ANSI terminal or a personal
computer by connecting the meter’s RS232 interface to the serial port of the PC. In addition, the Model GF868 can
receive and execute remote commands using this link. The meter can also be configured with a MODBUS option card
for MODBUS communications, a Foundation Fieldbus option card for Foundation Fieldbus communications, an
Ethernet option card for Ethernet communications, or with a MODBUS/TCP option card for MODBUS
communication over the Ethernet, if desired.
Note: To set Fieldbus communications parameters, see Appendix D, Foundation Fieldbus Communications.
Use the COMM submenu to set the RS232, MODBUS, Ethernet and MODBUS/TCP communications port parameters
and to enter a network identification number. A network identification number is required to use the GE Instrument
Data Manager or PanaView software. While following the programming instructions, refer to the menu map in
Figure 13 on page 89. Enter the COMM submenu by pressing [ and [F3] at the initial User Program screen and
complete the following steps:
1. Use the [ and [ and [F1]-[F4] keys to select the desired Baud Rate. The available rates are 300, 600, 1200,
2400, 4800, 9600 and 19,200 baud.
2. Use the [ and [ and [F1]-[F4] keys to select the number of UART Bits, as listed in Table 3.
3. Enter a Network ID number between 1 and 254 and press
[ENT]. The default number is 1.
A network ID number is necessary only for communication with the GE Instrument Data Manager™ or PanaView™
software. See the software User’s Manual for more information.
IMPORTANT: If the network ID number is changed, communication with the Instrument Data Manager or PanaView
must be re-established with the new ID number.
Table 3: UART Bits Options
Option Bar # Data Bits # Stop Bits Parity
8,no 8 0 None
8,odd 8 0 Odd
8even 8 0 Even
7,odd 7 1 Odd
7even 7 1 Even
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