Omron NT Operation Manual page 31

Receivable Data Types
Data type
Single screen data
System memory
Memory table data
Mark data
Display history data (by se-
quence)
Display history data (by fre-
quency)
Command Communication Procedure
Single Screen Data (Host Computer
Host computer
Start Transfer command
Screen# Specify Transfer
command
Transfer Data command
Receive
End Transfer command
Single Screen Data (PT
Host computer
Start Transfer command
Screen# Specify Transfer
command
Receive
Receive
Acknowledged command
End Transfer command
The online transfer commands can be used to receive the following types of
data.
Data for a screen displayed on the PT (host computer
The initial screen displayed after the PT power is turned on (host computer
All character-string memory table data and numeral table data (host computer
All mark data stored in the PT (host computer
All display history data stored in the PT in displayed sequence ( PT
All display history data stored in the PT in order of frequency ( PT
Note It is not possible to transfer character-string memory table data and numeral
table data independently.
The Online Transfer commands allow the transfer of large volumes of important
data. To ensure that the data is transferred correctly, several commands are
send back and forth during a single transfer operation.
The actual command communication procedure depends on the type of data
transferred, as shown below:
PT)
PT receives
[ESC] x
Receive
[ESC] r
Receive
[ESC] z
Receive
[ESC] }
Acknowledged command
[ESC] y
Receive
Host Computer)
PT sends
[ESC] x
Receive
[ESC] s
Receive
[ESC] r
Transfer screen # response
command
[ESC] z
Transfer Data command
[ESC] }
Receive
[ESC] y
Receive
Description
PT)
PT).
Transfer started notification
Transfer screen # notification
Multiple transfers if the length of screen
data transferred exceeds 124 bytes.
Received normally response
Transfer ended notification
Transfer started notification
Transfer screen # notification
Respond with transferred screen#
Multiple transfers if the length of screen
data transferred exceeds 124 bytes.
Received normally response
Transfer ended notification
Section 4-3
PT).
PT).
host computer)
host computer)