Type K J Thermometer
4.11Digital Output:
The Digital Output is a 9600bps N 81 serial interface. The RX is a 5V normal high input port.
The TX is a 5V normal high output port. The command of Digital Output is list below.
RS232 command | Function | Remarks |
K(ASC 4BH) | Ask for model No. | Send 4 bytes |
H(ASC 48H) | Hold button |
|
T(ASC 54H) | TIMER button |
|
M(ASC 4DH) | AVG/MAX/MIN button |
|
N(ASC 4EH) | Exit AVG/MAX/MIN mode |
|
R(ASC 52H) | REL button |
|
C(ASC 43H) | °C/°F button |
|
A(ASC 41H) | Inquire all encoded data | Send encoded 8 byte |
Command K:
Return 4 bytes. For example, when sends command "K" to meter, it will return "3","0","3", ASCII(13) .
(0x13) represent T1,- 199.9°C, The total byte number should be 7+1+7+1+5+chr(13)=22Bytes
Command T:
Equivalent to one pushing on the HOLD button.
Command M:
Equivalent to one pushing on the HOLD AVG/MAX/
MIN button and no message is returned.
