Function Details; Definitions Of Terms; Enabling Conditions - Mitsubishi Electric M800VW Series Manual

M800V/M80V Series PLC Development Manual
9 Appendix 3: PLC Function
9.1 Enhanced PLC Security Mode

9.1.1 Function Details

9.1.1.1 Definitions of Terms

The following table provides the definitions for the terms used in this section.
Term
PLC write protect mode
PLC read/write protect mode
Enhanced PLC Security Mode
E/U
MTB
PLC E/U customization
E/U mode
E/U project
E/U program
E/U open device
E/U open interface
MTB project
MTB program
MTB password
Password status

9.1.1.2 Enabling Conditions

 Enhanced PLC Security Mode
This function is enabled by setting the following value to the dedicated parameter.
Enhanced PLC Security Mode
PLC write protect mode
Enabled
PLC read/write protect mode
Disabled
 E/U mode
This function is enabled when the following conditions are satisfied.
E/U mode Enhanced PLC Security Mode
Enabled Enabled (#11761 is set to "1" or "2".)
Enabled (#11761 is set to "1" or "2".)
Disabled
Disabled (#11761 is set to "0".)
 The connection restriction on GX Developer/GX Works2
When the parameter "#11094 GX Restriction" (Inhibiting GX Developer/GX Works2 connection) is set to "1", the connection
restriction is enabled. When the connection restriction is enabled, the connections to the built-in PLC from GX Developer/GX
Works2 are inhibited.
Note
(1) To certainly secure sequence programs and device values which are managed by the MTB, change the default password
for MTB to another one. The following items can be changed on the protect setting screen.
 Operation level
 MTB password for each operation level
 Protection level of each data item
For details on the protect setting screen, refer to "Connection and Setup Manual".
A mode that inhibits write operations to the built-in PLC from PLC on-board and GX Developer/GX
Works2.
A mode that inhibits read/write operations to the built-in PLC from PLC on-board and GX Developer/GX
Works2.
A generic term for PLC write protect mode and PLC read/write protect mode.
This represents an end user.
This represents a machine tool builder.
Partial PLC customization by the end user
A mode that allows the end user to partially customize PLC
A project that can be customized by the end user
A sequence program created and stored in the E/U project by the end user
A project-common device that can be output by an E/U program
Interface that associates between E/U open devices and output of NC-PLC interface and remote I/O
A project other than E/U project
A sequence program created and stored in an MTB project by MTB
Indicates a password set by machine tool builder. It can be changed on the protection setting screen.
Status of whether the MTB password is disabled or not. The operation level when the password is dis-
abled can be set on the protection setting screen. This section explains on the assumption that all data
is accessible when the password is disabled.
#11761 PLC Security Mode
(Enhanced PLC security mode)
603
Definition
1
2
0
#11762 E/U Project No.
(End-user project number)
1 to 6
0
-
IB-1501614-B