SPYDER MODEL 5 ENGINEERING TOOL
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USER GUIDE
61
31-00282ES-01
BACnet - MSTP
Value (Read)
TARGET
REFERENCE INPUT
Device Instance
Object Instance
Object ID
(Manually )
SOURCE
Physical Point
Value Point
BACnet Device A
BACnet Device B
Mapping
Fig. 7. Data Exchange via Manual Mapping of Reference Input Point to Physical / Value Point
BACnet
–
MSTP
Value (Write)
SOURCE
REFERENCE OUTPUT
TARGET
Physical Point
Value Point
BACnet Device A
BACnet Device B
Device Instance
Object Instance
Object ID
(Manually )
Mapping
Fig. 8.
Data Exchange via Manual Mapping of Reference Output Point to Physical / Value Point
BACnet-MSTP
Value (Read)
TARGET
REFERENCE INPUT
always
*
Device Instance
Object Instance
Object ID
(Automatically )
SOURCE
Physical Input Point
BACnet Device A
BACnet Device B
*
physical input always creates reference input
Dropping
Fig. 9.
Data Exchange via Dropping of Physical Input Point