Pneumatic Controllers

Pneumatic Controllers

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Bus Protocol/Control: CANopen, IO-Link, I-Port, Modbus, CAN Bus

Bus Protocol/Control: None

Bus Protocol/Control: CANopen, IO-Link, I-Port, Modbus, RS232, RS485, RS422



Switching Type: Input/Output PNP
Bus Protocol/Control: Digital I/O Interface

Switching Type: Input/Output NPN
Bus Protocol/Control: Digital I/O Interface


Rated Current: 10A
Input Voltage: 100...230V AC
Safety Function: Safe Torque Off (STO)
Number of Slots: No Slot

Rated Current: 10A
Input Voltage: 100...230V AC
Safety Function: With Plug-in Card
Number of Slots: With 3 Slots

Rated Current: 15A
Input Voltage: 100...230V AC
Safety Function: With Plug-in Card
Number of Slots: With 3 Slots

Rated Current: 2.5A
Input Voltage: 3x230...480V AC
Safety Function: Safe Torque Off (STO)
Number of Slots: With 2 Slots

Rated Current: 2.5A
Input Voltage: 3x230...480V AC
Safety Function: With Plug-in Card
Number of Slots: With 2 Slots

Rated Current: 5A
Input Voltage: 100...230V AC
Safety Function: Safe Torque Off (STO)
Number of Slots: No Slot

Rated Current: 5A
Input Voltage: 100...230V AC
Safety Function: With Plug-in Card
Number of Slots: With 3 Slots

Rated Current: 5A
Input Voltage: 3x230...480V AC
Safety Function: Safe Torque Off (STO)
Number of Slots: With 2 Slots

Rated Current: 5A
Input Voltage: 3x230...480V AC
Safety Function: With Plug-in Card
Number of Slots: With 2 Slots

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A controller is any comparative device in a process that can sense a difference between a predetermined value (a control or set point) and a measured value received as an input signal from a variable process condition. The controller determines the difference between the two values, and adjusts the amount of output signal required by the final control element in the process. Pneumatic controllers are designed specifically for use with compressed air equipment and processes.

What Are Pneumatic Controllers?

Pneumatic Controllers measure differences in air pressure or temperature, and adjust them to a set point using a corrective air signal transmitted to a control valve or other final control element. The controller has a panel indicating the set point, process measurement and output air signal, usually mounted on a range plate. Pneumatic Controllers are designed in either proportional or simple On/Off control, where proportional control is more suitable for a greater degree of control precision or unstable load conditions. On/Off control is more suitable for stable load conditions, and can be operated by a fast opening control valve.

Proportional pneumatic controllers react to the degree of deviation from the control point and send a corrective signal that can be adjusted by changing the band width. On/Off pneumatic controllers only recognise the existence of a deviation, and respond with a full corrective signal in every instance.

Pneumatic controllers are generally considered safer than electronic and electrical controllers, especially when used in hazardous environments such as chemical or explosive atmospheres.