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4.3.2 Blocking function
You can activate or deactivate a block object for every channel:
Sub function
Dynamic range
[default value]
comment
Block object
inactive
active
Activation/deactivation of the
blocking function
Table 23: Blocking function
A channel can be blocked for further operations by its blocking object. The blocking is triggered by
se di g a logi al
at the elo gi g lo k o je t. O l th ough se di g a logi al
, the ha el is
unblocked again. A blocked channel is switched off (control value = 0%). After deactivation of the
blocking process, the channel assumes the values, which he had before the blocking process. If
telegrams are sent to the channel during the block process, no changes will be happen. But the
channel takes the value of the last telegram after unblocking.
Number
Name
Length
Usage
2
Block
1 Bit
blocks the belonging channel
Table 24: Communication object blocking function
4.3.3 Emergency mode
An emergency mode can be activated and adjusted for every channel. An activated emergency mode
is shown at the following illustration:
Figure 17: Emergency mode
The dynamic range for the emergency mode is shown at the chart below:
Sub function
Dynamic range
[default value]
comment
Emergency mode
inactive
active
Activation/deactivation of the
emergency mode
Emergency mode at
failure of control
value after
inactive, 30min, 35min, 40
i ,…,
i
[45min]
Adjustment, when an emergency
shall be activated
Control value for
emergency mode
winter
100%, 90%, 80%, ..., 0%
[50%]
Adjustments for control value of
the emergency mode at winter
Control value for
emergency mode
summer
100%, 90%, 80%, ..., 0%
[0%]
Adjustments for control value of
the emergency mode at summer
Table 25: Emergency mode
