Communications Options User’s Guide
3
Chapter 1. Modbus Communications
1.3
Setting Up MODBUS Communications (cont.)
See Table 1 for a description of the options available at the above prompt.
Note:
If more than one meter is connected to a network, each meter must have a unique
Network I.D.
COMM PROGRAM
[The UART bits setting applies
only to the RS232 serial port.]
Press the [
until the desired
RS232 UART bits setting
appears on the option bar and
then press the appropriate
[Fx]
function key to select it.
BAUD RATE
current value appears here
UART bits
current setting appears here
8,no
8,odd
8even
7,no
Table 1: 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
COMM PROGRAM
[The Network ID number is
used by the IDM software only.]
Enter a Network ID number
between 1 and 254 and then
press
[ENT]
. The default ID
number is 1.
UART bits
current setting appears here
Network I.D.?
current number appears here
COMM PROGRAM
Press the appropriate
[Fx]
function key to select
[2400]
,
[4800]
, or
[9600]
for the
MODBUS baud rate.
Network I.D.?
current number appears here
MODBUS BAUD RATE
current value appears here
2400
4800
9600
