Status Byte - ABB i-bus KNX Product Manual

ABB i-bus KNX
3.3.9

Status byte

© 2009 Busch-Jaeger Elektro GmbH – A Company of the ABB Group
Commissioning
No. Function
43 Status byte RHCC status
KNX status byte DPT 22.101
Bit 0 failure message of CURRENT temperature recording
Coding: 0 no fault in CURRENT temperature recording
Coding: 1 fault in CURRENT temperature recording
Bit 8 heating/cooling mode display
Coding: 0 cooling mode
Coding: 1 heating mode
44 Status byte HVAC status
The communication object transfers the current state of the ambient temperature controller
to the bus. The individual bits have the following meanings:
Bit 0: comfort operation
Bit 1: standby mode
Bit 2: night mode
Bit 3: frost/detection enabled
Bit 4: dewpoint
Bit 5: heating/cooling mode display
Coding: 0 cooling mode
Coding: 1 heating mode
Bit 6: controller state
Bit 7: frost alarm
Object name Data type
Status byte 2 byte
DPT 22.101
Status byte 2 byte
DPT_HVAC
Status
Flags
K, Ü, L
K, Ü, L
78