Specifications

49 GX Configurator-DP
(c) 2006 MITSUBISHI ELECTRIC CORPORATION
Parameter Meaning
Error action
flag
Output processing after failure. Select this option, if you want to have the
outputs shut off in case of error (recommended for drives, inverters etc.).
In practice this means:
After occurrence of any network error all outputs of the network are turned
OFF and no diagnostic information from the slaves is returned.
Autom. Refresh
(Q series only)
Sets the automatic refresh parameter of the PROFIBUS master
Note: the AutoRefresh parameter is automatically set, if AutoRefresh has
been selected for data transfer in PLC Settings
Consistency
(Q series only)
Ensures data consistency during transfer via AutoRefresh
Note:
If you change the baud rate, power off the slaves. Otherwise the slaves cannot
synchronize with the newly defined baud rate.
Timing Parameters of Master Settings
Parameter Description
Min. slave interval
Smallest allowed period of time between two slave poll cycles. This
ensures that the sequence of function requests from the DP master
can be handled by the DP slave. This value is valid for all installed
slaves. The slowest slave defines this value.
Polling timeout
In case of master-master communication this parameter specifies the
max. amount of time it may take the requestor to fetch the response.
Data control time
This parameter defines the period of time during which the master
module notifies the slave of its operation status. This time must be at
least six times the watchdog time of any slave.
Watchdog
This checkbox enables the watchdog checking in all slaves.
Slave Watchdog
time
When the checkbox Watchdog is checked (ON), this specifies the
maximum time without communication, after which the slave will
regard the connection to the master to be broken. If the slave
supports DPV1, the unit will automatically be set to either '10 ms' or '1
ms', depending on the setting of the 'Watchdog Timebase' flag in the
user parameters of the slave.
Note:
The unit can only be changed to '1 ms', if the watchdog option is
enabled for specific slaves. If the watchdog option has been enabled
via the master, all slaves must use the default timebase of '10 ms'.
Watchdog for time
sync.
(QJ71PB92V only)
This parameter specifies the interval, in which time the master
broadcasts the current system time.
If you want to use the factory default values click on <DEFAULT> and all values are set to
standard values.
Autom. Refresh (Q series master only)
The automatic refresh option activates the automatic data exchange between CPU and the
master on the master side. Additionally the autorefresh parameters, i.e. the assignment of CPU
devices to buffer memory addresses, must be written to the CPU. Automatic refresh transfers the
input, output, and (if selected) the diagnostic/communication areas of the PROFIBUS master
to/from a user definable area in the CPU. This ensures a fast and consistent data transfer without