Filter
Top Products
1 - 5 1 - 5
1 GENERAL DESCRIPTION
MELSOFT
1.1.4 Safety CPU operation mode (SAFETY MODE and TEST MODE)
A safety CPU operation mode includes a SAFETY MODE and TEST MODE.
The safety CPU operation mode can be switched from the GX Developer.
(1) SAFETY MODE
The SAFETY MODE is used when operating a safety system.
In this mode, the operations may lead a safety programmable controller to a
control change (e.g. Write to PLC, Device test) are inhibited so that the running
system is protected.
(2) TEST MODE
The TEST MODE is used when starting or maintaining a system.
In this mode, all operations including "Write to PLC" and "Device test" are
available. (The available functions depend on the login user’s access level.)
1.1.5 Operation lock
An operation lock inhibits other users from operating the open project. The operation
lock has the following two methods.
Method Contents
Automatic operation
lock
Automatically locks operation if the GX Developer has not been
operated for a certain period of time.
Manual operation
lock
Manually locks operation.
The following Operation lock screen appears at operation lock.
The user during login or user whose access level is Administrators can unlock the
setting.
(Operation lock screen)