Omron NT21 User Manual

4-3SectionCommands/Responses
396
4-3-21 Re-send Request Command (Sent from Host to PT)
Command
Format
1B 52
[ESC] [CR]R
0D52
R m (s1) (s2)
* * * * * *
m: Checksum present/absent (1 BCD digit)
0: Absent
1: Present
s
1
, s
2
: Checksum (2 hexadecimal digits)
When m is 0, omit this setting.
Response
None
Function
• The input notify command last sent from the PT is re-sent.
• Requests re-issue of the last input notify command (touch switch input notifica-
tion, numeral input notification, character string input notification, direct area
changing notification and PT memory changing notification) issued by the PT.
The PT re-sends the last issued input notify command.
4-3-22 Error Response (Sent from PT to Host)
Response
1B 45
[ESC]
s2
E
* *
52
Rc1c2
s1
* * * * * *
0D
[CR]
c
1
, c
2
: Error code (2 BCD digits)
01: Invalid command
A non-exist command has been used.
02: Command length error
The command length differs from the stipulated length.
03: Range error
The word/table entry number is outside the setting range.
04: Checksum present/absent specification error
A value other than those stipulated has been set for the check-
sum present/absent specification.
05: Format error
A format other than that stipulated has been used, for example
the word address has been specified with 5 digits or a character
code outside the permissible range has been used.
06: Re-send request error
A re-send request command has been issued although there is
no input notify command to re-send.
10: Checksum error
The specified sum value and calculated sum value differ.
This error code is returned also when the PT operation mode
switching command is issued when the PT is communicating to
the host at serial port B.
11: Communication error
A parity error, overrun error, or framing error has occurred.
Format

Omron NT21 Specifications

General

Brand	Omron
Model	NT21
Category	Touch terminals
Language	English