Commercial Controllers

Navigation:  Library > Signal > Control > PID Control >

Commercial Controllers

Previous pageReturn to chapter overviewNext page

According to b Åström the table below summarizes the properties of some commercial controllers.

 

Controller

Structure

Setpoint Weighting

b

Setpoint Weighting

c

Derivative Gain Limitation

N

Sampling

Period

s

1. Allen Bradley PLC 5

2. Baliley Net 90

3. Fisher Controls Provox

4. Fisher Controls DPR 900,910

5. Fisher Porter Micro DCI

6. Foxboro Model 761

7. Honeywell TDC

8. Moore Products Type 352

9. Alfa Laval ECA40, ECA 400

10. Taylor Mod 30

11. Toshiba TOSDIC 200

12. Turnbull TCS 6000

13. Yokogawa SLPC

P

P

S

S

S

S

S

S

S

S

S

S

P

1.0

0.0 or 1.0

1.0

0.0

1.0

1.0

1.0

1.0

0.0

0.0 or 1.0

1.0

1.0

0.0 or 1.0

1.0

0.0 or 1.0

0.0

0.0

0.0 or 1.0

0.0

1.0

0.0

0.0

0.0

1.0

1.0

0.0 or 1.0

None

10

8

8

none

10

8

1-30

8

17 or 20

3.3 – 10

none

10

Load dependent

0.25

0.1, 0.25 or 1.0

0.2

0.1

0.25

0.33, 0.5 or 1.0

0.1

0.2

0.25

0.2

0.036 – 1.56

0.1