MicroNet SP9121 Manual Página 127

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TAC Xenta Server – Gateway, Technical Manual B Protocols
Schneider Electric Buildings AB, June 2011 127 (184)
04-00124-06-en
B.2 Modbus Serial Line Slave
The Xenta 913 can be configured to act as one or more slaves on a Mod-
bus and/or J-Bus serial network to allow an external master to read and
write values from an I/NET or LON control system. Both the RTU and
ASCII protocol formats are supported.
A number of Modbus Registers can be connected to a corresponding set
of LON Network Variables or I/Net Points to allow the Master device
to exchange values with the BMS through the Xenta 913, which acts as
one or more slaves to reflect BMS values as Modbus registers
Fig. B.2: Modbus serial line slave
Value exchange
Modbus Network
Master Slave Slave
RS-485 A
RTU or ASCII
Modbus Slave
LON or I/NET Control System
Xenta 913
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