Bacnet Communication Module; L On W Orks Communication Module - Daikin Microtech III Operation And Maintenance Manual

BACnet communication module

Table 4: BACnet communication module connectors/
terminals
P4 – 1 P4 GND
P4 – 2 + 5 VDC
P4 – 3 SPI SELECT (SPI Select To Communications Board)
P4 – 4 SPI CLK (Master Clock)
P4 – 5 SPI RCV (MOSI)
P4 – 6 SPI XMIT (MISO)
P4 – 7 SRDY OUT (SPI Ready To Baseboard)
P4 – 8 No Connection
P3 – 1 P3 Network Signal +
P3 – 2 Network Signal –
P3 – 3 Reference
P3 – 4 Not Used
l W
on orks
communication module
Table 5: L
on communication module connectors/terminals
CN_SPI – 1 CN_SPI GND
CN_SPI – 2 + 5 VDC
SPI_SELECT1_0 (SPI Select To Communications-
CN_SPI – 3
Board)
CN_SPI – 4 SPI_CLK_0 (Master Clock)
CN_SPI – 5 SPI_RX_0 (MOSI)
CN_SPI – 6 SPI_TX_0 (MISO)
CN_SPI – 7 SREADY_0 (SPI Ready To Baseboard)
CN_SPI – 8 No Connection
TB1 – 1 TB1 Network Signal A
TB1 – 2 Network Signal B
TB1 – 3 Not Used
OM 1239
M
Figure 3: BACnet communication module connectors and
terminals
BACNET
BAS
RS-485
Transceiver
Atmel ARM7 MCU W/ Polarsoft
BACnet
Address Switches
SPI From Base
Controller
Figure 4: L on communication module connectors and
terminals
LON BAS
Neuron FT 3150 Smart
Transceiver / Flash Memory
Neurowire Interface
SPI From Base
Controller
8
t III u C
ICro eCh nIt ontroller
Protocol Stack
SPI Interface
Power from Base
Controller
FT-X1
Transformer
Power from Base
Controller
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