Program Details; Initialization Program - Mitsubishi Electric QD75MH1 User Manual

6 PLC PROGRAM USED FOR POSITIONING CONTROL

6.5 Program details

6.5.1 Initialization program

Setting item
OPR request flag OFF
Cd.19
request
Refer to Section 5.7 "List of control data" for details on the setting details.
Setting item
Cd.8
External command valid
Refer to Section 5.7 "List of control data" for details on the setting details.
[1] OPR request OFF program
This program forcibly turns OFF the "OPR request flag" (
which is ON.
When using a system that does not require OPR, assemble the program to
cancel the "OPR request" made by the QD75MH when the power is turned ON,
etc.
Data requiring setting
Set the following data to use the OPR request flag OFF request.
Setting
value
1 Set to "1: Turn OPR request flag OFF".
Time chart for OPR OFF request
PLC READY signal
QD75 READY signal
OPR request OFF flag
[ Md. 31 Status: b3]
Cd. 19 OPR request flag OFF request
Fig. 6.1 Time chart for OPR OFF request
[2] External command function valid setting program
This program is used to validate the "external command signal" beforehand when
using the external command functions (external start, speed change, speed-
position switching, position-speed switching, skip). (Set which function to use
beforehand in "
Set the following data to validate the "external command signal".
Setting
value
1 Set to "1: Validate external command".
Setting details
OFF
[Y0]
OFF
[X0]
OFF (0)
0
Pr.42
External command function selection".)
Setting details
6 - 52
MELSEC-Q
Md.31
Status: b3)
Buffer memory address
Axis 1 Axis 2 Axis 3 Axis 4
1521 1621 1721 1821
ON
ON
0
1
Buffer memory address
Axis 1 Axis 2 Axis 3 Axis 4
1505 1605 1705 1805