Memory Link Online Transfer Function; Required Conditions; Example Applications - Omron NT21 Reference Manual

Memory Link Online Transfer Function

4-4-2 Required Conditions

Reference: The mmi format is a screen data file format with the .mmi filename extension.

4-4-3 Example Applications

1. Automatic Transfer
and Execution of Screen
Data for Maintenance
a) Operating with
memory link
d) Start operation
with maintenance
screen data.
The following conditions are required in order to use the memory link online
transfer function.
Item
Support Tool
PT model
PC type
(Supports direct access)
Screen data file type
Usable memory area
Word addresses
This format reduces the size of files to less than 1.4 MB to allow the files to be
stored on floppy disks. The mmi format can be selected when screen data is be-
ing stored with the NT-series Support Tool for Windows (Version 4). The file for-
mat is the standard file format.
The mmi format deletes the following information in order to reduce file size:
Grid information in screens created with the Support Tool
Group information for grouped elements
Refer to the NT-series Support Tool for Windows (Version 4) Operation Manual
for more details on the file formats.
When the memory link online transfer function is being used, screen data in the
PT can be changed freely from the host. Two example applications are de-
scribed below.
A maintenance program can be executed in the host to automatically write and
start screen data for maintenance in the PT.
PT
MENU SET MON.
c) Screen data transfer
MAINTENANCE
Tank A
Tank B
Tank C
Tank D
Bulb A Bulb B Bulb C
Condition
NT-ZJCAT1-EV4 NT-series Support Tool for
Windows (Version 4)
NT21
NT31, NT31C, NT631, or NT631C (V1 or later)
Memlink (memory link)
mmi (Memory Map Image) format
PT memory
0000 to 9999
Host
b) Execute maintenance
program.
Section 4-4
399