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Modbus and BACnet Communication (RS-485)
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Figure 11 Modbus and BACnet DIP Switches and Screw Terminals
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DIP switch for setting RS-485 termination (120 Ω resistor) ON/OFF
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Screw terminals for RS-485 (Modbus/BACnet) communication
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Screw terminals for power supply input wiring (15 ... 35 VDC / 16 ... 24 VAC)
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DIP switches for setting the device MAC address: see
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DIP switches for setting the communication bitrate (4800 ... 115200 bps) and parity (N/E)
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DIP switch for selecting either Modbus RTU or BACnet MS/TP mode
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LED indicators for RS-485 transmit/receive activity
Setting Device MAC Address with DIP Switches
Modbus and BACnet MAC Address Ranges
The BACnet MS/TP MAC address range for the transmitter is 0 ... 127 (master mode only).
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Figure 12 (page 16)
Figure 12 MAC Address DIP Switch Example
DIP
The MAC address is
switches 32,
encoded in eight bit binary
8, and 1 set
form, with each numbered
to ON
switch representing a single
bit. This example shows
address 41 selected: DIP
switches 32, 8, and 1
(decimal: 41, binary:
00101001) are set to ON.
M212264EN-B
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