TINYPRO6 – Operational Manual
TRINITY
[17]
Communication
UNIT CONNECTED TO RS485 PORT
The industrial standard RS-485 communication port option is also available in
TINYPRO6. This option makes it possible for a user to select TINYPRO6 to provide
power and energy information into a variety of existing or new control systems and
communication networks.
Modbus RTU on RS485 Port
In order to download live data for the various system parameters, user can use
RS485 connecting to a SCADA or EMS software. TINYPRO6 supports an RS485 port
with MODBUS-RTU support. The station id for every meter is site selectable, and so
is the baud rate. The data which can be read using MODBUS query # 3 (Read
Holding Registers) is provided in an address map, with the applicable multiplication
factors, vide Appendix.
Communication line parameters: 9600/8/N/1.
The register map is described in Appendix. All addresses are in decimal whose
parameters are unsigned long. If illegal address is sent in query or host, try to read
more than 32 bytes of data in one query except message is generated. The
parameters name, address and multiplication factor are also mentioned.
Reserved values are for future uses which are transmitted as zeroes. Please refer to
the address map for the various parameters in Appendix.
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