Control Techniques UD70 User Manual page 68

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