DZB100 Series
Appendix
Protocol
Control Command
COMMAND STRUCTURE
"C,S,A,UU,MM,FFFF"
Word length = 11 characters
Computer to AC Motor Drive
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 (0.00Hz) to 4000 (400.00Hz)
Example: A setting of "5000" = 50.00Hz
The AC drive will return a character string, the format of which will be as follows:
COMMAND STRUCTURE
"C,S,B,UU,MM,FFFF"
Word length = 11 characters
AC Motor Drive to Computer
C: Header of control string
S: Check sum (03H)
B: Acknowledge back
Correct: 06H Error: 07H
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 (0.00Hz) to 4000 (400.00Hz)
Example: A setting of "5000" = 50.00 Hz
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