Sharp DP-750 Manual de Serviço Página 64

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64 Fieldbus ECO-Coupler 750-343
Configuring the Coupler
WAGO-I/O-SYSTEM 750
PROFIBUS
3.1.6 Configuring the Coupler
Before a data exchange is possible between the master and slaves, configuring
the coupler is necessary.
The extended parameters (extended User_Prm_Data) is available as a
selectable text in the configuration programs using the GSD files.
Description Value Meaning
Restart the internal bus after a
fault
Restart of the internal bus following a fault,
such as missing termination module,
POWER ON RESET
*)
after interruption of the I/O module supply
AUTORESET immediately after overcoming I/O module fault
I/O module diagnostics The diagnostics information about all
diagnostics capable I/O modules, with which the
diagnostics is released are
released
*)
transferred to PROFIBUS DP master
lock not transferred to PROFIBUS DP master
Process value display Word or double word orientated process data is
transferred to the PROFIBUS DP master in:
INTEL „Little Endian Format“
MOTOROLA
*)
„Big Endian Format
Behavior in case of a
PROFIBUS DP fault
In the case of a fault with the PROFIBUS DP
communication the status of the inserted output
periphery can be influenced in various manners:
Stop internal bus
transmission
the process data exchange of the internal bus is
stopped, all outputs drop out after a module
specific monitoring time of 100 ms
Set start image to zero all outputs are reset immediately
Freeze starting image all outputs contain the last status before the fault
Write substitute values
*)
all outputs switch a parameter substitute value
Reaction to internal bus faults In the case of a fault with the internal
communication between the Fieldbus Coupler
and I/O modules, such as, for example: no
termination module,
Stop PROFIBUS data
exchange
*)
the data exchange with the PROFIBUS master
is stopped.
Set start image to zero the input information is set to zero
Freeze starting image the input information before the fault is
maintained
*)
Default settings
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