Omron Programmable Terminals NT631C - Manual (Page 147)

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Operation Modes and the System Menu Section 6-3
Memory Unit Check and
Processing Check if a Memory Unit is installed. If a Memory Unit is installed, processing
(screen data and system program reading/writing) is executed in accordance
with its DIP switch settings (page 39).
If there is an error in the screen data, an error screen is displayed. Pressing
the OK touch switch on the error screen will return the display to that immedi-
ately before the error occurred. It is also possible to display the System Menu
from the error screen by pressing two of the four corners of the touch panel
simultaneously. If there is an error in the system program, the main menu of
the system installer mode is displayed. If this is the case, reinstall the proper
system program.
Initialize the memory or change the settings as required.
Start of Communications
with the Host Communications with the host start in accordance with the communications
method set in the system memory of the NT631/NT631C. During the interval
until communications are established, the system initialization screen (screen
No. 9000) is displayed.
For details, refer to 6-8 Starting Operation.
If the system initialization screen remains on, display the System Menu by
pressing two of the four corners of the touch panel simultaneously, and check
the settings for the communications conditions for communications with the
host.
Operation Start The RUN mode is established, and operation starts in accordance with the
screen data in the NT631/NT631C.
When changing the settings or checking the statuses, perform the appropriate
operation by displaying the System Menu. For details on displaying the Sys-
tem Menu, refer to 6-3-3 Operations with the System Menu (page 133).
6-3 Operation Modes and the System Menu
The NT631/NT631C operates in four modes: the RUN, Transmit, Mainte-
nance, and Expansion modes. These modes are selected from the System
Menu.
In addition, the NT631/NT631C also features the System Installer mode which
is used specifically for installing the system program.
The System Installer mode is selected by operation at the panel when the
NT631/NT631C power is switched ON.
6-3-1 Relationships among Modes
The relationships among the System Menu, each of the operation modes, and
the System Installer mode, are indicated in the figure below.
For details on system menu operation, refer to 6-3-3 Operations with the Sys-
tem Menu (page 133).