User Manual Instruction Manual

13-26 GV6000 AC Drive User Manual
13.12.6 Homing Routine
Each time the profile/indexer is enabled, the drive requires a home position to be
detected. The following options are available:
• Homing to Marker Pulse with Encoder Feedback
When “Find Home” is commanded the homing routine is run when a start command is
issued. The Homing bit (11) in Profile Status (700) will be set while the homing routine
is running. The drive will ramp to the speed and direction set in Find Home Speed
(713) at the rate set in Find Home Ramp (714) until the digital input defined as “Home
Limit” is activated. The drive will then ramp to zero and then back up to first marker
pulse prior to the Home Limit switch at 1/10 the Find Home Speed (713). When on the
marker pulse, the At Home bit (13) is set in Profile Status (700) and the drive is
stopped.
Figure 13-8 shows the sequence of operation for homing to a marker pulse. Encoder Z
Chan, (423) must be set to “Marker Input” or “Marker Check” for this type of homing
• Homing to Limit Switch with Encoder Feedback
When “Find Home” is commanded, the homing routine is run when a start command
is issued. The Homing bit (11) in Profile Status (700) will be set while the homing
routine is running. The drive will ramp to the speed and direction set in Find Home
Speed (713) at the rate set in Find Home Ramp (714) until the digital input defined as
Home Limit is activated. The drive will then reverse direction at 1/10 the Find Home
Speed (713) to the point where the Home Limit switch activated and stop.
Figure 13.8 – Homing to Marker
-100
-50
0
50
100
150
200
250
2 7 12 17 22 27 42
0
5
10
15
20
25
30
Encoder Speed (415) Units Traveled (701) Dig In Status (216) Profile Status (700)
Find Home Command
Start Command
Home Limit Input
At Home
Homing
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