Kewtech KEW301, Инструкция по эксплуатации, Страница: 11 / 16

KEW301
9
4.11 Digital 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
D(ASC 44H)
Ask for main
display
Range, Data, Unit
Send 22 bytes
B(ASC 42H)
Ask for secondary
display
Range, Data, Unit
Send 22 bytes
S(ASH 53H) Ask Status Send 13 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","1",
ASCII(13) .