Honeywell Spyder 5 - Page 61

SPYDER MODEL 5 ENGINEERING TOOL – 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 ABACnet 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