Mitsubishi A1SD75M1, User Manual

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6 - 21
MELSEC-A
6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
6.5 Program details
6.5.1 Initialization program
(1) Zero point return request OFF program
This program forcibly turns OFF the "zero point return request flag" ( Md.40
Status: b3) which is ON.
When using a system that does not require zero point return, assemble the
program to cancel the "zero point return request" made by the AD75 when the
power is turned ON, etc.
Data requiring setting
Set the following data to use the zero point return flag OFF request.
Buffer memory address
Setting item
Setting
value
Setting details
Axis 1 Axis 2 Axis 3
Cd.24
Zero point return
request flag OFF
request
1
Set to "1: Turn zero point return request flag
OFF".
1170 1220 1270
* Refer to section "5.7 List of control data" for details on the setting details.
Time chart for zero point return OFF request
PLC READY signal
AD75 READY signal
OFF
ON
ON
Zero point return request flag
[ Md.40 Status:b3]
Cd.24 Zero point return request flag OFF request 0
1 0
OFF
OFF
[Y1D]
[X0]
ON
Fig. 6.1 Time chart for zero point return OFF request
(2) External start function valid setting program
This program is used to validate the "external signal" beforehand when using the
external start function (external start, speed change, skip). (Set which function to
use beforehand in " Pr.43 External start function selection".)
Set the following data to validate the "external signal".
Buffer memory address
Setting item
Setting
value
Setting details
Axis 1 Axis 2 Axis 3
Cd.25 External start valid 1 Set to "1: Validate external start". 1171 1221 1271
* Refer to section "5.7 List of control data" for details on the setting details.