Delta VFD-H User Manual

65
01234567
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 DRI
V
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 COMPUTE
R
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”)

Delta VFD-H Specifications

General

Brand	Delta
Model	VFD-H
Category	DC Drives
Language	English