Optional mapping of Modbus Registers as Coil, Discrete, Input, Holding. BACnet Input, Value, Output objects for Analog, Binary, Multistate. Up to 5,000 BACnet Objects and 5,000 Modbus Holding Registers. Subscribe to COV on Changes from Modbus or BACnet. Connect BACnet IP Devices to a Modbus RTU or TCP Network. Connect Modbus RTU or TCP Devices to a BACnet IP Network. Configured to go the other way, the BB3-7101 will continuously poll objects in other BACnet devices and make that data accessible as Modbus registers for other Modbus masters polling the BB3-7101. The BB3-7101 will continuously poll Modbus registers in TCP or RTU devices and make that data accessible as BACnet objects. The Modbus to BACnet IP gateway may be both Modbus TCP client and server at the same time, and can be configured to also be a Modbus RTU master or slave that runs independently of Modbus TCP. 
The Modbus to BACnet IP gateway acts as a translator between the two protocols.
BACnet objects may be read as Modbus registers, and Modbus registers may be read as BACnet objects. The Babel Buster BB3-7101 Modbus to BACnet IP gateway allows Modbus devices to communicate with BACnet IP devices.
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