
ABB i-bus® KNX
GROUP OBJECTS
8.4
Group objects, Channel X - Valve X
Function
Group object name
Data point
type
Length
Flags
Status byte Valve X
Channel X – Valve X
Non DPT
1 byte
C R
T
This group object sends the following status information on the bus (ABB i-bus® KNX):
•
Bit 7: Unused
•
Bit 6: Unused
•
Bit 5: Unused
•
Bit 4: Unused
•
Bit 3: Valve purge
–
1 = Active
–
0 = Inactive
•
Bit 2: Forced operation
–
1 = Active
–
0 = Inactive
•
Bit 1: Fault Valve output
–
1 = Fault
–
0 = No fault
•
Bit 0: Setpoint/control value
–
1 = Setpoint/control value not received
–
0 = Setpoint/control value received
Note
If the
Deactivated
option is selected for one of the following parameters, bit 0 always has the value 0:
•
Monitor receipt of group object "Operating mode normal (master)"
•
Monitor receipt of "Control value heating/cooling" group objects
Prerequisites for visibility
•
\ all options except
Deactivated
Status Control value valve X
Channel X – Valve X
DPT 5.001
1 byte
C R
T
This group object sends the valve status (active valve control value) on the bus (ABB i-bus® KNX).
The send behavior depends on the setting in the parameter
Send status values [valve output]
.
Telegram value:
•
0 … 100 %
Note
If DPT 5.001 (percentage) is used for the activation, the value displayed for the group object may vary from the actual value due to rounding differences. The actual
value of the group object can be seen by viewing the hexadecimal value (e.g. 0x0001) or by changing to a different DPT (e.g. DPT 5.005) in the ETS.
Prerequisites for visibility
•
\ all options except
Deactivated
Fault Valve output X
Channel X – Valve X
DPT 1.005
1 bit
C R
T
This group object sends a fault messages of the valve output on the bus (ABB i-bus® KNX).
The send behavior depends on the setting in the parameter
Send status values [valve output]
.
It there is a fault, the output is switched off. The fault can be reset only via group object
.
Telegram value:
•
1 = Fault
•
0 = No fault
Note
If there is a fault on the valve output, on devices with manual operation via membrane keypad the following LEDs flash:
•
Switch valve output
•
Open valve output
(if channel selected)
Prerequisites for visibility
•
\ all options except
Deactivated
Status Valve purge X
Channel X – Valve X
DPT 1.011
1 bit
C R
T
This group object sends the valve purge status on the bus (ABB i-bus® KNX).
The send behavior depends on the setting in the parameter
Send value of group object "Status valve purge"
.
Telegram value:
•
1 = Valve purge active
•
0 = Valve purge inactive
Prerequisites for visibility
•
\ all options except
Deactivated
Activate valve purge X
Channel X – Valve X
DPT 1.017
1 bit
C
W
This group object is used to trigger a valve purge.
More information: →
.
Telegram value:
•
1 = Trigger valve purge
•
0 = Trigger valve purge
Note
If the valve purge is not performed due to a higher-priority function, the valve purge must be triggered again.
Prerequisites for visibility
•
\ all options except
Deactivated
Product manual | EN-US | VC/S 4.x.1 | 2CDC508220D0211 Rev. B
154
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