Delta DVP-SS2 User Manual

DVP-ES2/EX2/EC5/SS2/SA2/SX2/SE&TP Operation Manual - Programming
3-304
Application 1:
PID ins
truction in pressure control system. (Use block diagram of example 1)
Control purpose:
Enabling the control system to reach the target pressure.
Control properties:
The system requires a gradual control. Therefore, the system will be overloaded or out of control if
the process progresses too fast.
Suggested solution:
Solution 1: Longer sampling time
Solution 2: Using delay instruction. See the figure below
PID
MV
D5
SV
PV
D1
D1110
0
511
0
511
0V
10V
0rpm
rpm
3000
D1116
0
255
0V
5V
Wave
A
Wave
B
pressure
meter
Pressure
SV (D0)
Set value
ramp up
MV
converted
to
speed
Voltage
converted
to
SV
Speed
converted
to
voltage
AC
motor
drive
280
0
0
280
250
200
150
100
50
tt
SV
SV
Wave A
Wave B
D2 stores increased
value of each shift
D3 stores the time interval
of each shift
Values in can modify D2 and D3
according to actual requirement

Delta DVP-SS2 Specifications

General

Brand	Delta
Model	DVP-SS2
Category	Controller
Language	English