65
0 1 2 3 4 5 6 7
Stop
bit
Start
bit
Character string
Odd
parity
T
0
1
11-bit (character frame)
Protocol
Control Command
"C,S,A,UU,MM,FFFF"
COMPUTER TO AC MOTOR DRIV
COMMAND STRUCTURE
Word length = 11 characters
C: Header of control string
S: Check sum (03H)
A: Command acknowledge
01H: Command acknowledged by a single AC drive
02H: Command acknowledged by all AC drives
UU: Slave address (“00” - “31”)
MM: Operation command (X = don
‘
t care)
X0
Stop
X1
Forward running
X2
Stop
X3
Reverse running
X4, X5 Jog (FWD)
X6, X7 Jog (REV)
X8
Reset after AC drive error
FFFF
Frequency command, Setting range: from 0000 (0.0Hz) to 4000 (400.0Hz)
Example: A setting of “1234” = 123.4 Hz
The AC drive will return a character string, the format of which will be as follows:
"C,S,B,UU,MM,FFFF"
AC MOTOR DRIVE TO COMPUTER
COMMAND STRUCTURE
Word length = 11 characters
C: Header of control string
S: Check sum (03H)
B: Acknowledge back
Correct: 06H
Error:
07H
UU: Slave address (“00” - “31”)
Call 1(800)985-6929 for Sales
deltaacdrives.com
sales@deltaacdrives.com
Call 1(800)985-6929 for Sales
deltaacdrives.com
sales@deltaacdrives.com
