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DigitalFlow™ XMT868i Programming Manual
61
Appendix C. Programming the XMT868i Using PanaView™
C.6.0.11 Entering Communications Data
The Model XMT868i flowmeter is equipped with an RS232 or an RS485 serial interface. MODBUS (RS485), MODBUS/TCP,
Ethernet and Foundation-Bus options are available. When the MODBUS, MODBUS/TCP or Foundation Field Bus options
are present, the XMT868i may also have the standard RS232/RS485 serial interface. When the Ethernet option is
present, the RS232/RS485 serial interface is not present.
The serial port is used to transmit stored data and displayed readings to a personal computer by connecting the
meter’s serial interface to the serial port of the PC. In addition, the Model XMT868i can receive and execute remote
commands, using
PanaView
software, using this link.
Use the Comm port
submenu to set the communications port and MODBUS parameters. While following the
programming instructions, refer to Figure 56 on page 74.
C.6.0.12 Setting Up the Serial Port
1.
To enter this submenu from the Global menu, highlight and double-click on the Comm port option in the center
pane.
2. Enter a
Meter Address
number between 1 and 254 and click [Next Item]. The default number is 1.
A meter address is only necessary for communication with the Panametrics
PanaView
software. See the
PanaView
User’s Manual
for more information.
IMPORTANT:
If the meter address or baud rate is changed, communication with PanaView must be re-established
with the new address number.
3. Double-click on the desired
Baud Rate
(from 300 to 19,200).
IMPORTANT:
The Ethernet option requires that the meter’s baud rate is set to the same rate as the Ethernet option.
The factory default is 9600 baud. If a different baud rate is desired, first change the meter’s rate, and
then change the Ethernet’s baud rate setting by using the Device Discovery utility.
If you have the RS485 MODBUS option, or MODBUS/TCP option proceed to step 4 below. If you have the standard
RS232 serial interface or optional Ethernet interface, the meter exits the Comm Port submenu and returns to the
Global PROGRAM prompt.
Note:
The XMT868i MODBUS communication settings chosen in the next four steps must match those of the
MODBUS control system.
4. Double-click on the desired
MODBUS Baud Rate
(from 2400 to 9600).
IMPORTANT:
The MODBUS/TCP interface requires a baud rate of 9600.
5. Double-click on the desired
MODBUS Parity
(None, Odd or Even).
6. Double-click on the desired
MODBUS Stop Bits
(1 or 2).
7. Enter the desired
MODBUS Address.
The meter exits the Comm port submenu and returns to the Global window. Click [Exit Page] once to return to the
Site
Edit Menu
, and [Close] to exit the
Site Edit Menu
.
IMPORTANT:
You must reboot the XMT868i to load the new settings.
Refer to the section
Requesting Parameters Using MODBUS
on the following page to retrieve data from the XMT868i
using MODBUS.
Summary of Contents for DigitalFlow XMT868i
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