PC–Series: Differential Pressure Controllers

Product description:

• Fast & accurate. Custom valve sizing and PID tuning ensure controllers reach pressure setpoints in milliseconds and maintain control with NIST-traceable accuracy to ±0.125% of full scale.
• Versatile control. Control absolute or gauge pressure anywhere in your system, including areas where you cannot easily install a full pressure controller. Plumb the pressure port downstream for pressure or vacuum control, or upstream for back pressure control.
• Easy integration. Custom process ports and electrical connectors, and your choice of EtherNet/IP, EtherCAT, DeviceNet, Profibus, PROFINET, Modbus (RTU and TCP/IP), or serial communications for easy integration into your industrial process.

Differential PC-Series performance (most products)

• Available full-scale ranges: 2 inH₂O to 500 PSID
• Steady state control range: 0.01% – 100% of full scale
• Standard accuracy calibration, NIST-traceable: ±0.25% of full scale
• Optional high-accuracy calibration, NIST-traceable: ±0.125% of full scale
• Repeatability: 0.08% of full scale
• Typical control response time: as fast as 30 ms
• Warm-up time: <1 s

Differential PC-Series operating conditions

• Compatible gases: All non-corrosive gases
• Operating temperature: –10°C to +60°C
• Max common mode pressure: 200 PSIG (750 PSIG for 500 PSID models)
• Burst pressure: 3x full scale (1.5x full scale for 500 PSID devices)

Included with each device

• User changeable units of measurement: Change the unit of measurement for pressure from our extensive list of engineering units.
• Monochrome backlit LCD with integrated touchpad: Easily read measurements using the backlit display and control configurations with the user-friendly integrated touchpad.
• User adjustable setpoint ramping & limits: Configurable ramp rates allow the process variable to be controlled as fast or as slow as desired, and configurable setpoint limits protect processes from inadvertent setpoint changes.
• Valve close override and valve open override: Utilize alarms to quickly vent your system or stop all flow as needed.

Build and performance options

• Communication protocols: Analog, RS–232, RS–485, DeviceNet, EtherCAT, EtherNet/IP, Modbus RTU or TCP/IP, PROFIBUS, PROFINET
• Displays: Backlit monochrome or color; integrated or panel–mount
• Process connections: NPT, SAE, AN, BSPP/G, compression, VCR, or VCO fittings
• Elastomers: Viton, FFKM, EPDM, Silicone
• Calibration: High-accuracy; custom calibration points
• Aggressive gas compatibility: Models with wetted materials compatible with many pure corrosive gases and most refrigerant gases, in addition to all non-corrosive gases and a variety of liquids also available.

Valve options & PID tuning

Your pressure controller may be customized with one of the following valving options to ensure optimal performance under your expected process conditions.

• PC – small proportional control valve for flow ranges of 20 slpm and below
• PC with PCA designation – high-performance proportional control valve used for applications with higher pressures
• PCP – small proportional control valve with the largest orifice (not available for corrosive configurations)
• PCH – hammerhead configuration, which pairs two small valves working side-by-side as one valve
• PCR – nearly frictionless large Rolamite proportional valve for flow rates of 50 slpm and above

Custom PID valve tuning ensures maximum performance for your specific process conditions.

Links

Product information

Product manuals

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