Specifications

Continued from previous page
The home search profile will execute specific parts of the program, based on the order of
detection of the limit switches. Ladder logic sets C0 to initiate a home search in the CW
direction. If the CW limit is encountered, the program searches for home in the CCW
direction, passes it slightly, and does the final CW search for home. After reaching home, the
last ladder rung preloads the current position to “0”.
DL06 Micro PLC User Manual, 3rd Edition, Rev. C
E–57
Appendix E: High-speed Input and Pulse Output Features
1
2
3
4
E
6
7
8
9
10
11
12
13
14
A
B
C
D
C5
RST
Y0
SET
S
et C6 to indicate the Home move has completed.
C6
C6
TMR
K3
T2
T2
RST
C
5
X1
Once the Home Switch is sensed again (at the lower speed), the Pulse Output is stopped.
T2
Timer added for a 0.3 sec. delay before
reseting the internal counter.
LDD
K0
OUTD
CTA174
PD
Y1
END
RST
C6
Turn off Pulse Out.
Reset C5 because the Home Limit was found.
Load the constant K0 for the initialized position.
Output this constant to V1174/V1175.
Reset C6.
Return to
Home
Home Move
Cmplt
Home
Switch
A 0.3 second delay.
The position of the internal counter in the PLC is set to “0” or “Home”.
P
ulse Out
Return to Home
Home Move Cmplt
Home Move Cmplt
Preload Position
Value