DPM-500 Analog Input Meter Instruction Manual
40
Modbus RTU Serial Communications (
serial
)
The meter is equipped with serial communications capability as a standard feature using Modbus RTU
Serial Communication Protocol.
The meter may be connected to a PC for initial configuration via the onboard micro USB connection. For
ongoing digital communications with a computer or other data terminal equipment, an RS-232, or RS-485
option is required; see
Ordering Information
on page 4 for details.
Warning!
Do not connect any equipment other than BinMaster
’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.
Register Tables located at www.binmaster.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.
Select Menu (
SElect
)
The
Select
menu is used to select the signal input conditioner applied
to the input (linear, square root, programmable exponent, or round horizontal tank), low-flow cutoff, and analog output
programming. The multi-point linearization is part of the linear function selection.
