130M-N5 130 Series Foxboro Pneumatic Indicating Controllers
Manufacturer: Foxboro
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Part Number: 130M-N5
Condition：New with Original Package
Product Type: Pneumatic Controllers
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Foxboro 130M-N5 130 Series Pneumatic Indicating Controller
The Foxboro 130M-N5, also cataloged as the 130M-N5 Pneumatic Indicating Controller, operates as a dedicated hardware component for single-loop PID regulation within legacy pneumatic circuits and hybrid Foxboro DCS network topologies. The module utilizes a mechanical force-balance mechanism incorporating metal bellows and a nozzle-flapper amplifier to convert 3-15 psi process variable (PV) inputs into calibrated 3-15 psi pneumatic control outputs.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 130M-N5 |
| Brand | Foxboro |
| Origin | USA |
| Weight | 0.5 kg |
| Dimensions | 17.8 x 5.1 x 30.5 cm |
| Operating Temp | -40 to +85 deg C (-40 to +185 deg F) |
| Power Consumption | None (Auxiliary electronics accepts 24 VAC or 24 VDC where fitted; standard operation utilizes pneumatic supply air) |
| System Compatibility | Foxboro I/A Series / pneumatic control loops / Consotrol 130 Series shelf |
| Input Signal (PV) | 3-15 psi (0.2-1.0 bar / 20-100 kPa) |
| Output Signal (OUT) | 3-15 psi (0.2-1.0 bar / 20-100 kPa) |
| Supply Air | 20-22 psi (1.4-1.5 bar), clean dry instrument air |
| Control Modes | Proportional (P), Proportional-Integral (PI), Proportional-Integral-Derivative (PID) adjustable |
| Proportional Band | 5%-500% (adjustable) |
| Reset (Integral) Time | 0.01-50 min/repeat (adjustable) |
| Accuracy | +/-0.1% to +/-0.5% of span |
| Response Time | <=2 seconds |
| Air Consumption | ~0.5 m3/h (0.3 scfm) Auto; ~1.0 m3/h (0.6 scfm) Manual |
| Display | Vertical scale with dual pointers (Green=PV, Red=SP) |
| Auto/Manual Transfer | Bumpless via integral balance method |
| Protection Class | IP65 |
4-20 mA HART Loop Protocol and Channel Isolation Integrations
By executing PID control via mechanical nozzle-flapper amplification and metal bellows, the module provides complete physical separation between fluid process lines and electronic plant infrastructure. When integrated alongside 4-20 mA HART loop protocol instruments or digital DCS architectures, pneumatic-to-current (P/I) and current-to-pneumatic (I/P) converters isolate electronic system buses from field-generated common-mode voltage spikes. The non-electrical force-balance architecture eliminates ground loop currents and channel-to-channel crosstalk, maintaining reliable signal transmission through high electromagnetic interference (EMI) environments.
Frequently Asked Questions
Q: What air supply pressure is required to power the 130M-N5 pneumatic controller?
A: The controller requires clean, dry instrument air regulated to 20-22 psi (1.4-1.5 bar) to operate the force-balance mechanism and output 3-15 psi signals.
Q: How does the controller handle switching between automatic and manual operation modes?
A: The unit features a bumpless transfer mechanism using an integral balance method, allowing operators to switch between Auto and Manual modes without causing pressure spikes on the control valve line.
Field Installation Guidelines
Mount the controller into a standard Foxboro 101/102 Series panel shelf. Secure the module locking mechanisms to hold the mechanical connectors firmly against the backplane pneumatic header.
Connect clean, dry, oil-free instrument air filtered to instrument-grade standards to the supply port. Use 1/4-inch copper or stainless steel tubing for all 3-15 psi pneumatic signal lines. Apply pipe thread sealant strictly to male NPT threads, keeping the leading two threads bare to prevent sealant particles from clogging internal nozzle-flapper orifices. Route pneumatic signal lines away from high-vibration structural members to avoid mechanical stress on the rear connection ports.