76

Electronic Controllers (Regulators)

Regulators for Electricity Generation and Distribution...

7611.17

Voltage regulators

7611.21

Voltage stabilizing devices

7611.24

Current regulators

7611.27

Frequency regulators

7611.31

Power (output) controllers

7611.34

Reactive power regulators

7611.37

Power-factor controllers

7611.41

Solar battery charge controllers

Analog Electronic Controllers (according to Operational Principles)...

7622.12

Analog controllers with continuously operating output (continuously-action controllers)

7622.14

Analog controllers with switching output (multi-step controllers)
— Two-position controllers (relays) see 2346.21-2346.99

Digital Controllers...

7624.11

Digital controllers with continuously operating output (continuously-action controllers)

7624.13

Digital controllers with switching output (multi-step controllers)

7624.15

Adaptive digital controllers

Controllers and Control Systems (job oriented)...

7631.17

Speed controllers

7631.21

Temperature controllers

7631.23

Control systems for electric floor heatings

7631.24

Controllers and control systems for building services management

7631.27

Controllers and control systems for process variables

7631.99

Other controllers and control systems

Accessories...

7699.12

Measuring converters, measuring sensors
— Measuring transducers and sensors see 7253.17-7253.99, 7261.12-7261.99

7699.21

Actuators (electromechanical)
— Further drives see 1235.17-1235.99
— Electromagnetic control valves see 8811.55

7699.25

Control valves

7699.27

Throttle valves

7699.29

Slide valves

7699.33

Control cocks