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To connect a BMS to the controller:
1.
Ensure that the power is disconnected from the controller.
2.
Connect the BMS cable to the Base PRO controller system
device bus.
Study the wiring diagrams of the controller to locate the
connector position.
3.
Connect power to the controller again.
See documentation from BMS supplier for more information about
BMS integration.
1.4 Modbus RTU settings
Configure the Modbus RTU interface in the BMS to match the
controller settings:
•
Bitrate: 19200 or 9600 bps
•
Data bits: 8
•
Stop bits: 1
•
Parity bit: even, odd, no (or none)
•
Flow control: No
1.5 Cabling and topology
Caution!
Be thorough about the cabling and connections.
Only use Uponor recommended cables and go for a line
bus topology.
Caution!
Be prepared to add 120 ohm termination resistors
between "A" and "B" on end devices, if the total bus
length goes over 250 m or if any communication
problems are noticed.
Caution!
Always connect also the "-" between the controllers on
the global bus and to the BMS.
1.6 Channel allocation
Note
For multiple channel rooms, only operate on the first
channel, i.e. the master channel.
1.7 Installation example, Modbus
RTU
I-147
T-141
T-143
T-144
T-145
T-146
T-148
T-149
Uponor Smatrix Base PRO Controller X-148 Modbus RTU
Caution!
The Uponor Smatrix Base PRO Interface I-147 cannot be
used in Modbus RTU installations.
230 V AC
PRO
X-148
230 V AC
PRO
A B –
BMS
SD0000033
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Installation manual
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