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Siemens
TX-I/O PROFINET BIM V1.0
CM110564en_02
Building Technologies
Parameters
23.09.2010
4.11.4 Enabling Local Override
Parameter for enabling/disabling the module key Up/Down for the 'Local override'
function.
General switching behavior (for enabled local overriding):
Switch from automatic to local override (manual):
The current process value is valid until a new manual command is issued.
Switch from local override to automatic:
The automatic process value becomes valid once the Profinet I/O controller
writes a new value.
Possible values
Description
Selected Enabled
Not selected
Disabled
4.11.5 Local Override Mode
Parameter for defining the type of 'local override' signal.
A logical '1' is usually interpreted as 'active'. However, it is possible for migrations
to interpret a logical '0' as 'active'.
The following assignments apply here:
Value
Input
Local override
Active 1
Active
Inactive 0 Active
Active 0
Inactive
Inactive 1 Inactive
4.11.6 Process Data
The allocation of process data and the channel status information of analog output-
configured channels for local override are described in 'Process Data Channel
Mapping' for the corresponding TX-I/O module.
If the TX-I/O BIM is in the status 'Masterdown', the backup functions become active.
The backup function then works in the mode defined by the value in the parameter
[BackupMode].
If the channel is set to local override, [AOValue] is limited to the rated value range.
4.11.7 Representation of Analog Values
SIMATIC value
Analog value
Description
Decimal
Hex
32767 7FFF
29310
11.14 V
Overflow, operating voltage off
29309
10.66
V
27649 6C01
Overshoot range
27648 6C00 10
V
Measurement
range
Definition,
addition
Switching behavior
Definition,
addition
Masterdown
Local override
Voltage output (0…10 V
Содержание TX-I/O
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