Omron NT-series Programmable Terminal V022-E3-1 - Manual (Page 235)

Reference
Section 6-3
Touch Switch Number Output (from NT600S to Host)
Format
1B
[ESC]
48
H m
1
m
2
m
3
0D
[CR]
m
1
m
2
m
3
: Address of the pressed touch switch (3-digit hexadecimal)
000 to 0E2
H
, 0E7 to 0FE
H
(0 to 226, 231 to 254)
Description If a touch switch is pressed while the screen for which the “Bit In = Off” attribute is
set is displayed, the address of the pressed touch switch is reported to the Host.
If more than one touch switch is pressed at the same time, only the address of
the touch switch which was pressed first is reported to the Host.
When a touch switch which is set as a ten key switch (231 to 254) is pressed, it is
not reported to the Host.
When a touch switch which is set as a system key (227 to 230, 255) is pressed, it
is not reported to the Host.
Notifying Low Battery Voltage
The status of the battery in the NT600S is sent to the Host by executing the follow-
ing command.
PT Battery Status Response
Format
1B
[ESC] m
2
m
1
5B
[
0D
[CR]
m
1
m
2
: Battery voltage status (2-digit hexadecimal)
00 (30
H
30
H
): Normal voltage
01 (30
H
31
H
): Low voltage
Description The NT600S returns this command to report the battery voltage status to the Host
in response to the PT Battery Status Enquiry Command (refer 7-2-4 PT Battery
Status Enquiry) sent from the Host.
Whether or not report is made is determined by the ON/OFF setting of DIW
SW2-8.