UD70
Issue code: 70nu2
6-8
Serial communications
The
UD70
will reply with the following structure if the message is
understood:
Control
Parameter
Data
Control
BCC
STX
M1
M2
P1
P2
D1
...
Dn
ETX
BCC
Where:
M1 M2
= Menu
number
P1 P2
= Parameter
number
D1...Dn
= Data
First character:
+
or Space for positive values
–
for negative values
X
X for hex. values
BCC
= Block
checksum
If a requested parameter does not exist, the
UD70
will reply with an
EOT
character (
ASCII
04).
Example
To read the speed set-point of a Unidrive that is unit 2 of group 1, send:
Control
Address
Parameter
Control
STX
1
1
2
2
0
1
2
1
ENQ
The unit replies as follows:
Control
Parameter
Data
Control
BCC
STX
0
1
2
1
–
4
7
.
6
ETX
7
Note
When the
UD70
replies to a command, the length of the
data field returned is variable, depending upon the type of
Drive, and the parameter being read.
Summary of Contents for UD70
Page 6: ......
Page 14: ...UD70 Issue code 70nu2 2 6 Installation...
Page 42: ...UD70 Issue code 70nu2 4 20 DPL programming...
Page 98: ...UD70 Issue code 70nu2 7 22 Reference...
