Sinclair SBG-01 User Manual page 9

BACnet Gateway
Notice ！ The power cord should pass through the wire-pressing clamp for
fixing.The power cord with the diameter of 3×1.0mm² is suggested to be used.As
shown in the figure.
3.1.3 Communication Interface
CAN communication interface: this device will not use this communication
interface temporarily.
RS485-1 communication interface: connect it to the AC unit through the 2-
core communication line to realize the communication between BACnet gateway and
the AC which adopts 485 bus.
RS485-2 communication interface: this device will not use this communication
interface temporarily.
USB and SD card interface: this device will not use this interface temporarily.
Ethernet interface: realize communication through network cable and BMS.
3.1.4 Input/Output of DI/DO Digital Quantity
So far, this gateway supports 5 DIs (digital input) and 5 Dos (digital output), DO6
is reserved.
(1) DI1...DI5
Digital input 0/1 digital signal (binary system), apply to active input.
DI 1: In 485 network, fire alarm signal, connect "1" to the power of 12V, input fire
alarm signal "1" in DI 1 port, then BACnet gateway will give out control, all units stop
operation immediately; disconnect "1" or connect to "0", input signal "0" in DI 1 port,
4