ASCII
mode
:
Asking for information string format
Answering information string format
Header
“:”---
3AH
Header
“:”---
3AH
Address
“0”---30H
Address
“0”---30H
“1”---31H
“1”---31H
Function code
“0”---30H
Function code
“0”---30H
“8”---38H
“8”---38H
content
“0”---30H
content
“0”---30H
“1”---31H
“1”---31H
“0”---30H
“0”---30H
“2”---32H
“2”---32H
“0”---30H
Data of address
2104H
“0”---30H
“3”---33H
“3”---33H
“0”---30H
“0”---30H
“4”---34H
“4”---34H
LRC CHECK
“E” ---45H
LRC CHECK
“E” ---45H
“D” ---44H
“D” ---44H
END
CR ---0DH
END
CR ---0DH
LF ---0AH
LF ---0AH
RTU mode
:
Asking for information string format
Answering information string format
Address
01H
Address
01H
Function code
08H
Function code
08H
content
01H
content
01H
02H
02H
03H
03H
04H
04H
CRC CHECK Low
41H
CRC CHECK Low
41H
CRC CHECK High
04H
CRC CHECK High
04H
Larson Electronics, LLC
Phone:
Fax: (903) 498-3364
www.larsonelectronics.com
48
of
52
VFD-1P-220.240-1HP-7A-DCM
(877) 348-9680