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General
Connecting a Brink Excellent heat recovery (HRV) appliance to a Modbus network, for instance a building automation system (BAS),
requires an interface. This interface, called "Brink Connect", allows communication between the Brink HRV appliance and a Modbus
network. The interface described here is only suitable for communication between a Brink HRV appliance with UWA control PCB (with
software version from S1.06.06) and a Modbus network. The interface comes with a 1,5 m long connecting cable for connecting the
"Brink Connect" to an Excellent HRV appliance.
Note: It is not possible to use a control unit, humidity sensor or multiple switch in combination with a Brink Connect interface on the
Brink HRV Excellent. The system does support an eBus CO2 sensor (code 532196 - 4 sensors max.) that is connected to the HRV
appliances.
If the Brink HRV-appliances are cascaded, the Brink Connect must be connected to the Master appliance.
Application
Brink Connect (Interface module I2C<>Modbus) allows making a connection between an RS485 interface and an I2C interface. That
way products or installations that do not have a Modbus interface as standard can still be incorporated into a Modbus network using
a (free) I2C interface.
Then a new Modbus slave address between 1 and 247 can be entered at register address 1000, using function code 0x06, write
single register When entered correctly, the Modbus slave address will directly be active.
Appliance Interface
Dimensions WxHxD
Connection
Housing
Weight
Storage temperature
Power consumption
Relative humidity
Installation position
Interfaces
Protection class
Power supply
Module status display
System bus
Ambient operating temperature
89.7
The Brink Connect come with a default Modbus Slave address
11 ( 0x0B).
Art.-nr.: 611885-E
Dimensions WxHxD 36 x 89.7 x 62.2 mm
Connection through screw plug terminals up to 1.5 mm²
Housing as per DIN 43880 for use in electrical distribution boxes (RAL 7035)
Weight ca. 100 g
Storage temperature -10...+70 °C
Power consumption 0.2 W
Relative humidity up to 85% without condensation VDE 0160, EN 50178,
Class 3K3
Installation position on vertical surfaces (wall installation, connectors top and bottom)
Interfaces 1 x RS485 / 1x I2C interface
Protection class IP 20
Power supply +5 VDC ±10 %
Power supply indication by green LED
RS485
+5...+40°C
36
Communication parameters Modbus:
Modbus Interface
Connector
no.
1
2
3
I2C <> Modbus
4
5
pwr
6
Function
+5V system voltage
GND system voltage
I2C bus Serial Data (SDA)
I2C bus Serial Clock (SCL)
RS485 - A
RS485 - B
5
GB
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