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7
HMI acknowledge timeout (P6.7.3)
This function allows the user to change the timeout of the HMI acknowledgement time.
Note! If the frequency converter has been connected to the PC with a normal cable, the default
values of parameters 6.7.3 and 6.7.4 (200 and 5) must not be changed.
If the frequency converter has been connected to the PC via a modem and there is delay in
transferring messages, the value of par. 6.7.3 must be set according to the delay as follows:
Example
:
•
Transfer delay between the frequency converter and the PC = 600 ms
•
The value of par. 6.7.3 is set to 1200 ms (2 x 600, sending delay + receiving delay)
•
The corresponding setting shall be entered in the
[
Misc
]
-part of the file NCDrive.ini:
Retries = 5
AckTimeOut = 1200
TimeOut = 6000
It must also be considered that intervals that are shorter than the AckTimeOut-time cannot be used
in NC-Drive monitoring.
Enter the edit mode by pushing the Menu button right. Use the Browser buttons to change the
acknowledgement time. Accept the change with the Enter button or return to the previous level with
the Menu button left. See Figure 7-14 for how to change the HMI acknowledgement timeout.
Figure 7-14. HMI acknowledge timeout
Number of retries to receive HMI acknowledgement (P6.7.4)
With this parameter you can set the number of times the drive will try receive acknowledgement if
this does not succeed within the acknowledgement time (P6.7.3)
Enter the edit mode by pushing the Menu button right. The present value shown starts to blink. Use
the Browser buttons to change the amount of retries. Accept the change with the Enter button or
return to the previous level with the Menu button left.
7.4.7.5 System information
In the submenu S6.8 under the System menu you can find frequency converter-related hardware
and software information as well as operation-related information.
Enter the Info menu by pressing the Menu button right. Now you can browse through the information
pages with the Browser buttons.
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