130M-N4 Foxboro Pneumatic Indicating Controller

130M-N4 Foxboro 130M Series Pneumatic Indicating Controller 3-15 psi

130M-N4 Foxboro 130M Series Pneumatic Indicating Controller 3-15 psi

Disponibilidad: 10 Quedan en stock

Foxboro 130M-N4 Pneumatic Indicating Controller Configured for proportional-integral-derivative control execution in process loops, the Foxboro 130M-N4 (130M Pneumatic Indicating Controller)...

Código: 130M-N4

Manufacturer: Foxboro
Product No.: 130M-N4
Product Type: Pneumatic Controllers
Product Origin: USA
Payment:T/T, Western Union
Weight: 3500g
Shipping port: Xiamen
Warranty: 12 months

Descripción Reseñas

Foxboro 130M-N4 Pneumatic Indicating Controller

Configured for proportional-integral-derivative control execution in process loops, the Foxboro 130M-N4 (130M Pneumatic Indicating Controller) provides direct physical/electrical execution through force-balance pneumatic mechanism operations.

Suffix Breakdown & Model Matrix

Code Suffix	Feature Description	Electrical / Physical Specification
130M	Base Model Designation	Pneumatic Indicating Controller with manual set-point adjustment
N	Mounting & Enclosure	Shelf-mounted design for multi-unit panel integration
4	Control Mechanism Option	Full PID control configuration (Proportional + Reset + Derivative)

Hardware Specifications

Parameter	Specification
Model	130M-N4
Brand	Foxboro
Origin	USA
Weight	3.50 kg (7.72 lbs)
Dimensions	Standard 130 Series shelf-mounting dimensions
Operating Temp	-20 to +65 deg C
Power Consumption	0.5 to 1.0 m3/h clean compressed air
Supply Pressure	20 to 22 psi (140 to 150 kPa)
Input Signal	3 to 15 psi (20 to 100 kPa) pneumatic
Output Signal	3 to 15 psi (20 to 100 kPa) pneumatic
Indicator Accuracy	+/- 0.5% of span
Output Accuracy	+/- 2% of span
Repeatability	+/- 0.5% of span
Process Connection	1/4 inch NPT pneumatic fittings

Channel-to-Channel Isolation & Pneumatic Loop Signal Processing

The controller relies on force-balance mechanics integrated into a internal pneumatic circuit board to process 3-15 psi field signals without electronic conversion latencies. This analog pneumatic architecture eliminates loop-grounding hazards by providing complete physical isolation from electrical plant noise and common-mode voltage interference. The internal air distribution manifold uses O-ring sealed connections to maintain pressure integrity during automatic-to-manual bumpless transfers across process control loops.

Frequently Asked Questions

Q: What air supply pressure range is required for standard unit operation?

A: The instrument requires a regulated air supply between 20 psi and 22 psi (140 to 150 kPa) to drive the internal force-balance mechanism and output circuits.

Q: How is a bumpless transfer achieved when switching between manual and automatic control?

A: The balanceless and bumpless transfer mechanism matches internal pneumatic force states automatically, allowing front-panel mode selection without adjusting manual set-point pressures or causing process output spikes.

Q: What air quality standard applies to the pneumatic supply input?

A: The instrument air supply must be dry, oil-free, and filtered to remove particulate matter greater than 5 microns to prevent clogging of the internal restriction orifices and nozzle-flapper assemblies.

Field Installation Guidelines

Mount the controller into the designated instrument shelf assembly, ensuring the integral air supply header seals against the rear pneumatic manifold connectors. Thread all pneumatic signal lines using 1/4 inch NPT male fittings, applying a minimum of 5 full turns of engagement to establish a leak-tight seal. Use clean, instrument-grade dry compressed air regulated strictly to 20-22 psi. When routing copper or stainless steel pneumatic tubing, maintain a minimum bend radius of 25 mm to prevent restriction or wall collapsing that could alter process response times.

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