7
Control keypad | 71(86) |
Example:
•Transfer delay between the frequency converter and the PC = 600 ms
•The value of par. 6.3.6 is set to 1200 ms (2 x 600, sending delay + receiving delay)
•The corresponding setting shall be entered to the [ Misc]
Retries = 5 AckTimeOut = 1200 TimeOut = 6000
It must also be considered that intervals that are shorter than the
Enter the edit mode by pushing the right arrow menu button. Use the Browser buttons to change the acknowledgement time. Accept the change with the Enter button or return to the previous level with the left arrow menu button .
READY | READY |
I/Oterm | I/O term |
HMI ACK timeout | HMI ACK timeout |
200ms | 200ms |
Figure 7-15. HMI acknowledge timeout
enter
Number of retries to receive HMI acknowledgement (P6.3.7)
With this parameter it is possible to set the number of times the drive will try to receive acknowledgement if this does not happen within the acknowledgement time (P6.3.6) or if the received acknowledgement is faulty.
Enter the edit mode by pushing the right arrow menu button. 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 left arrow menu button
See Figure
7.3.6.4Keypad settings
Further customisation of the freqency converter operator interface can be undertaken in the Keypad settings submenu under the System menu.
Locate the Keypad settings submenu (S6.4). Under the submenu, there are four pages (P#) associated with the keypad operation:
