Omron NT31 Operation Manuals page 607

Commands/Responses
9-3-20 PT operation mode switching command
(Sent from host to PT)
Command
[Format]
Response
[Format]
596
[ESC] M C
1B 4D 43
* *
m : Check sum present/absent (1 BCD digit)
0 : Absent
1 : Present
c , c : Operation mode of PT to be switched to (2 BCD digits)
1 2
Fixed as 00 (transmit mode)
s , s : Check sum (2 hexadecimal digits)
1 2
When m is 0, omit this setting.
Only if "Yes" is set for the "Response" memory switch, the response indicated be-
low is returned on normal completion.
[ESC] M C
1B 4D 43
s , s : Check sum (2 hexadecimal digits)
1 2
This is always added (fixed as "0BH").
Normally, data part is "00", however, it is "10" (31H, 30H) when serial port B is used.
(see below)
m 0 0 (s1)
30 30
* *
0 0 s1
30 30 30
Data Part
Section 9-3
(s2) [CR]
0D
* *
s2 [CR]
42 0D