Danfoss 176F7302

VLT
®
MICRO
Start
bit
Odd
parity
Stop
bit
0123456
8-bit character
11-bit character frame
7
Address CMD02H Data Characters 03H Check Sum
STX
ADR
1
ADR
0
CMD
1
CMD
0
0 1 N-1
......
ETXN CHK
1
CHK
0
LRC CHK 0
LRC CHK 1
EXT
N
......
DATA (n-1)
DATA 1
DATA 0
CMD 0
CMD 1
ADR 0
ADR 1
STX Start character: (02H)
LRC check sum:
8-bit check sum consists of 2 ASCII codes
End characters:
ASCII = 03 Hex
Contents of data:
n x 8-bit data consist of 2n ASCII codes
n 25 maximum of 50 ASCII codes
Communication address:
8-bit address consists of 2 ASCII codes
• (8, O, 1: Pr.92 = 5)
3 Communication Protocol
3.1 Communication Data Frame:
3.2 ASCII mode:
85