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Valve outputs | Channel-independent functions
–
Constant (1-byte) with command value limiting value:
Valve closed = OFF
Valve opened = ON
The command value preset by an active service mode is also included in the
determination of heat requirements and the largest command value. In addi-
tion, service mode has an influence on pump control.
The behaviour of the assigned valve outputs at the end of service mode can be con-
figured. In addition, a 1-bit status object can signal when service mode is active or
not.
Updates of the object from "Service mode active" to "Service mode active"
while maintaining the forced valve status or from "Service mode inactive" to
"Service mode inactive" produce no change in the behaviour of the value out-
puts. However, the status telegram of the service mode is retransmitted on
each update.
Valve outputs locked by service mode can still be activated in manual opera-
tion. At the end of a manual operation, the actuator executes the service reac-
tion for the appropriate valve outputs once again if service mode is still activ-
ated at this time.
Enabling service mode
Service mode must first be enabled on the "General valve outputs" parameter page,
so that it can be activated and deactivated via the KNX during actuator operation.
￭
Activate the checkbox "Service mode".
Service mode is enabled. The communication objects "Valve outputs service
mode - Activate / Deactivate" und "Valve outputs service mode - Status" be-
come visible. Valve outputs can be assigned on the parameter pages "VOx -
General -> Assignments".
￭
Deactivate the checkbox "Service mode".
Service mode is not available. No valve outputs can be assigned to service
mode in the ETS.
Assigning outputs to service mode
For a valve output to be influenced by service mode, an assignment must take place.
On the parameter pages "VOx - General -> Assignments", it is possible to define the
assignment to service mode separately for each valve output.
￭
Activate the checkbox "Service mode".
The appropriate valve output is assigned to service mode. It is locked accord-
ing to the object value when service mode is active.
￭
Deactivate the checkbox "Service mode".
The valve output is not assigned to service mode. Activation and deactivation
of the service function does not influence the output.
Heating actuator 6-gang with controller | Order no. 2139 00 | 21393100
Page 58 of 257
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