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9
HMI acknowledge timeout (P6.7.3)
This function allows the user to change the timeout of the HMI acknowledgement time in cases
where there is an additional delay in the RS-232 transmission due to use of modems for
communication over longer distances, for example.
NOTE!
If the frequency converter has been connected to the PC with a normal cable, the default
values of parametres 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:
It must also be considered that intervals shorter than the AckTimeOut-time cannot be used in NC-
Drive monitoring.
Enter the edit mode by pushing the
to change the
acknowledgement time. Accept the change with the
or return to the previous level
with the
.
Figure 64. 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) or if the received
acknowledgement is faulty.
Enter the edit mode by pushing the
. The present value shown starts to blink. Use
the
to change the amount of retries. Accept the change with the
return to the previous level with the
See Figure 64 for the procedure of changing the value.
9.3.6.8
System info
In the
System info submenu
(S6.8) you can find frequency converter-related hardware and software
information as well as operation-related information.
Total counters (S6.8.1)
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
READY
I/O term
200ms
READY
I/O term
enter
200ms
HMI ACK timeout
HMI ACK timeout
11548_uk
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