Aalborg DPC, Operating Manual

Page: 109 / 128

105
COMMAND
NAME
DESCRIPTION
No.
COMMAND SYNT
AX
Command
Argument 1
Argument 2
Argument 3
Argument 4
Response
PID Auto Tune
Sets/Reads Instrument PID Auto Tune parameters settings NOTE: Do not change PID Loop type parameter
. Consult factor
y
for more details regarding PlD Auto T
une feature.
PID Auto T
une Status:
I - In Process (currently active) N - Not Started yet (not active) D - Done (Success) F - Failed Submitting A
T
command without
value argument 2 will return current parameter settings. NOTE:DPC instrument V
alve PID
parameters were adjusted on the factor
y according to your order and
they allow to handle most applications. Do not change PID
parameters unless instructed by factor
y technical support
representative!
30
A
T
S Reads Auto T
une
status: [I,N,D,F], [P_value],[I_valve], [D_V
alve]
A
TS:<Status_value>, P
value,I_value,D_value Example: A
TS:D,0.108,
0.054,0.2163
D Disable Auto T
une
process (if active).
A
TD:D (if disabled)
A
TD:NR (if A
T
was not
running)
V A
T
V
alve Delay
[1-99] x 100 ms
<value> [1-99] x 100 ms
A
T
V
:<value>
A
T
V
:3 (300 ms)
O Auto T
une
Oscillations Criteria
<value> [0.2 - 25.0] %FS
A
TO<value>
A
TO:2.0
<value> Start Auto T
une at
specifi
ed Set Point
value [2.0 - 100.0] %FS (valid values)
A
T:<value>
A
T:80.0