Omron NT21 User Manual

4-4SectionMemory Link Online Transfer Function
399
4-4-2 Required Conditions
The following conditions are required in order to use the memory link online
transfer function.
Item Condition
Support Tool NT-ZJCAT1-EV4 NT-series Support Tool for
Windows (Version 4)
PT model NT21
NT31, NT31C, NT631, or NT631C (V1 or later)
PC type
(Supports direct access)
Memlink (memory link)
Screen data file type mmi (Memory Map Image) format
Usable memory area PT memory
Word addresses 0000 to 9999
Reference: The mmi format is a screen data file format with the .mmi filename extension.
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.
4-4-3 Example Applications
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.
a) Operating with
memory link
b) Execute maintenance
program.
c) Screen data transfer
d) Start operation
with maintenance
screen data.
PT Host
Tank A
Tank B
Tank C
Tank D
Bulb A Bulb B Bulb C
MAINTENANCE
MENU SET MON.
1. Automatic Transfer
and Execution of Screen
Data for Maintenance

Omron NT21 Specifications

General

Brand	Omron
Model	NT21
Category	Touch terminals
Language	English