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440 E300 Design Guide
Issue Number: 1
Figure 9-3 Keypad drive reset
To reset a drive trip using communication protocols, a value of On (1) should be written to Drive Reset (L40) followed by a Off (0). In addition it is also
possible to clear the trip log within the drive. This is carried out by writing a value of On (1) to Reset Trip Log (L39).
Auto reset drive trip
An auto reset can be set-up in the E300 Advanced Elevator drive to reset a drive trip which would normally be reset through the keypad or using a
communication protocol. The auto reset feature can be configured to carry out a number of auto reset attempts along with a time duration between
each of the auto reset attempts.
• Number Auto Reset Attempts (H46) = 0 no auto reset attempts are made
• Number Auto Reset Attempts (H46) = 1 to 4, then 1 to 4 auto reset attempts are carried out
• Number Auto Reset Attempts (H46) = 6 the internal auto reset counter is held at zero and the number of auto reset attempts are infinite
The internal auto reset counter is only incremented when the trip being reset is the same as the previous trip otherwise the internal counter is reset to
0. When the internal auto reset counter reaches the programmed value any further trip of the same value will not cause another auto reset attempt.
Auto Reset Delay (H47) defines the time period in seconds between consecutive auto reset attempts. Note some trips may take longer to reset.
If there has been no trip for 5 minutes then the internal auto reset counter is cleared.
Auto reset will not occur after any trips with priority levels 1, 2 or 3 as defined in Table 9-5 Trip categories and priorities on page 439
When a manual reset occurs the auto-reset counter is reset to zero.
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