Aalborg DPC - Page 109

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