Mitsubishi Electric M800VW Series Manual page 637

M800V/M80V Series PLC Development Manual
9 Appendix 3: PLC Function
9.1 Enhanced PLC Security Mode
(3) Create MTB programs
Store MTB programs in projects that is to be set as MTB projects.
The MTB programs must include the programs that will be the interface between the output of remote I/O and the E/U
open devices as well as the sequence programs for machine control.
Ensure that the project that is to be set as the E/U project is empty.
Built-in PLC
Project 1
To be an MTB project;
Store sequence programs for
machine control
(4) Set NC parameters (E/U customization setting)
Set the NC parameters based on the setting details determined in "Determine the setting details".
Configure the enhanced PLC security mode, E/U project number, and E/U open devices.
Built-in PLC
Read/write protect mode
Project 1
MTB project
Set read/write protection mode for MTB
projects
To allow end users to connect to the E/U project from PLC on-board, set the parameter "#6453 R7826-L/bit3" to "1". To
prevent end users from connecting to the E/U project from PLC on-board, set the parameter "#6453 R7826-L/bit3" to "0".
(5) Save an empty E/U project
Create the backup of the empty E/U project in case end users forget the file password and the modification and deletion
of the E/U program become impossible.
For details on how to create a backup, refer to "5.14 Backing Up Sequence Programs and Other Data".
(6) Provide information to end users
Describe the configured settings in the manual. Refer to "9.1.4 Information to be Shared with End Users" for details.
IB-1501614-B
Project 2
To be an MTB project;
Store E/U open interface
Project 2
MTB project
Set Project 3 as E/U project Can be output
only to the E/U open devices
612
Project 3
To be the E/U project;
Ensure it is empty
Project 3
E/U project