Mitsubishi Electric FR-E800 Instruction Manual page 202

Index
Home position return
H6098
method
setting
Count type with front
-66, -7, -39
*2
end reference
*1 For EtherCAT communication, the value set in Index H6067 (Position window) is used.
*2 Change of the speed at which the proximity dog is detected may cause fluctuations of the average home position. Consider fluctuations of the
home position to set Index H6099.
NOTE
• Home position return automatic back-off function
The home position return starts after the transfer device goes back to the point from which the home position return is possible.
This function is enabled when a proximity dog is used for the home position return and when the current position at that start
is detected on the following places:
On the proximity dog
On the place between the proximity dog and the stroke end in the direction of travel
On the stroke end
●Operation example:
current position on the proximity dog
The current position is
moved automatically back
from the front end of the
proximity dog to be set as
the start position for the
home position return.
7.5 Simple positioning function by direct commands (Ethernet model / safety communication model / IP67 model)
The home position is determined based on the detection position of the front end of the proximity dog.
Deceleration starts at the front end of the proximity dog, and the position after the shift by the home
position shift distance is set as the home position.
Home position return direction
• Position pulse increasing direction: when Index H6098 = "-66" and the forward rotation command is
given, or when Index H6098 = "-7"
• Position pulse decreasing direction: when Index H6098 = "-66" and the reverse rotation command is
given, or when Index H6098 = "-39"
To input the X76 signal, set "76" in any parameter from Pr.178 to Pr.189 (Input terminal function
selection) to assign the function to a terminal.
Servo-ON
RH, RM, RL, JOG
Start command
X76
Home position return speed
(Index H6099, Sub index H01)
Speed
0
Slope of home position return
acceleration/deceleration time (Index H609A)
Proximity dog
HP1 (Home position return setting error) will be displayed in any of the following cases:
• The operation suddenly stops as the stroke end signal in the direction of travel is detected while the
position command is being created.
• After a position command is created, the Y36 signal remains OFF for 10 seconds.
Home position
return speed
X76
Proximity dog
Description
ON
ON
ON
Home position shift amount
Pr.511 Home position return shifting speed
Home position
Slope set by Pr.1223
Slope set by Pr.1222
Home position return shifting speed
Home position
Home position return start position
ON
1
2
3
4
5
6
Time
7
8
9
10
201
7. Position Control