Model PD6300 Pulse Input Rate/Totalizer
Instruction Manual
72
Rounding Feature (
round
)
The rounding feature is used to give the user a steadier display with
fluctuating signals. Rounding is used in addition to the filter function.
Rounding causes the display to round to the nearest value according to
the rounding selected. This setting affects the last two digits, regardless
of decimal point position.
Modbus RTU Serial Communications (
serial
)
The meter is equipped with serial communications capability as a
standard feature using Modbus RTU Serial Communication Protocol.
To communicate with a computer or other data terminal equipment, an
RS-232, RS-485, or USB adapter option is required; see
Ordering
Information
on page 7 for details.
Warning!
Do not connect any equipment other than Precision
Digital’s expansion modules, cables, or meters to the
RJ45 M-LINK connector. Otherwise damage will
occur to the equipment and the meter.
Note: More detailed instructions are provided with each optional serial
communications adapter. Note: Refer to
the
ProVu® Modbus
Register Tables located at www.predig.com for details.
When using more than one meter in a multi-drop mode, each meter must
be provided with its own unique address. The meter address (Slave ID)
may be programmed between 1 and 247. The transmit delay may be set
between 0 and 199 ms. The parity can be set to even, odd, or none with
1 or 2 stop bits.
The PD6300 can also be connected to another PD6300 with a special
PDA1200 cable, allowing the user to copy all the settings from one meter
to another, using the
Copy
function.