Foxboro 43AP-FA42C-PC Indicating Controller

The Foxboro 43AP-FA42C-PC indicating controller is a versatile process instrumentation controller designed to control pressure, temperature, flow, and level. Here are some details and features about the controller:

Main Function:

It continuously detects the difference between the process measurement and its set point.

The controller generates an output air signal based on this difference and the type of control.

The output signal is transmitted to the control valve or other control device.

Specifications:

Accuracy: Input pointer - ±0.5% span of qualified element; input to output - depends on the measuring element used.

Repeatability: 0.2% of span.

Deadband: 0.1% of span.

Output Signal: As indicated, 20 to 100 kPa, 3 to 15 psi, or 0.2 to 1.0 bar or kg/cm2.

Air Consumption (Normal Operation): 0.5 m3/h (0.3 cfm) under standard conditions.

Ambient Temperature Effect: Maximum control point displacement at mid-span is 1% of input span for every 55°C (100°F) change under normal operating conditions.

Supply Pressure Effect: Maximum control point displacement at mid-span is 0.2% of input span for every 7 kPa (1 psi) change under normal operating conditions.

Approximate Mass: 4.8 kg (10.6 lbs) excluding elements.

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