Intelligent Pressure Switch MPM5581 Series

Introduction

The MPM5581 Intelligent Pressure Switch is an advanced device combining pressure measurement, local display, and control. Designed for industrial applications, it offers precise pressure control in environments such as pumps, hydraulics, and pneumatics. This intelligent pressure switch ensures reliable performance and durability, making it an essential component in industrial automation, fire and safety systems, hydraulic and pneumatic systems, cooling systems, and the monitoring of machinery and equipment.

Key Features

• Pressure Measurement: Suitable for both gas and liquid applications.
• Output Options: Available with PNP and current output options.
• Peak Value Display: Clearly displays peak pressure values.
• Range Drift Function: Adjustable range drift between 25%FS and 100%FS.
• Switch Point Settings: Includes time delay settings for precise control.
• Modbus Communication: Facilitates easy integration with other systems.
• OLED Display: Bright, clear display that rotates 180 degrees.
• Flexible Installation: Can be installed vertically, horizontally, or using a rack mount.
• Rotatable Body: The body rotates 330 degrees for optimal viewing and operation.

Specifications

General Specifications

• Pressure Ranges: 1, 3.5, 7, 16, 35, 70, 100, 250, 400, 600 bar.
• Pressure Types: Gauge and Absolute.
• Overpressure Capacity: 2×FS or 100MPa.
• Accuracy: ±0.5%FS.
• Hysteresis: ±0.2%FS.
• Thermal Error: ±0.02%FS/℃ for both Zero and Full Scale.
• Power Supply: 12V to 30VDC.
• Long-term Stability: ±0.3%FS per year.
• Outputs: 2×PNP + 0/4mA~20mA DC.

Environmental Specifications

• Working Temperature: -20℃ to 80℃.
• Storage Temperature: -40℃ to 80℃.
• Relative Humidity: 0% to 85%.
• EMC Compliance: GB/T 17626.2/3/4.
• Shock Resistance: ≤10g/10Hz to 500Hz (IEC 60068-2-6).
• Impact Resistance: ≤50g/11ms (IEC 60068-2-27).
• Protection Rating: IP65.
• Housing Material: Stainless Steel (SS).
• Display Board Material: PMMA.
• Diaphragm Material: SS 17-4/316L.
• Electric Connection: M12×1 round plug.
• Weight: 300g.

Display and Controls

• Screen Display: Blue 128×64 OLED screen for clear visibility.
• Switch Display: Two red LEDs indicating switch status.
• Display Units: Available units include MPa, kPa, bar, psi, kgf/cm².
• Keys: Three silicone rubber keys for easy operation according to on-screen instructions.

Electrical Connections

5-Pin Plug Configuration

• Pin 1 (Red): VCC
• Pin 2 (Yellow): K1-Output
• Pin 3 (Black): GND
• Pin 4 (Blue): K2-Output
• Pin 5 (Green): 0/4mA~20mA

8-Pin Plug Configuration

• Pin 1 (Red): VCC
• Pin 2 (Yellow): K1-Output
• Pin 3 (Black): GND
• Pin 4 (Blue): K2-Output
• Pin 5 (Green): 0/4mA~20mA
• Pin 6 (Brown): 485-A
• Pin 7 (White): 485-B

Switch Action Modes

Hysteresis Mode (Hys. Mode)

• Action Value: Set threshold for switch activation.
• Release Value: Set threshold for switch deactivation.
• Output Status: Indicates Normally Open (NO) and Normally Closed (NC) conditions.

Window Mode (Win. Mode)

• Upper Action Value: Upper threshold for switch activation.
• Lower Action Value: Lower threshold for switch deactivation.
• Output Status: Indicates Normally Open (NO) and Normally Closed (NC) conditions.

Switch Point Settings

• Action Value Range: 1.5%FS to 100%FS.
• Release Value Range: 1% to 99.5%FS.
• Action Value-Release Value: Must be ≥0.5%FS.
• Switch Action Time Delay: Adjustable from 0.0s to 99.9s.

Optional Components

• MS801 Mounting Bracket
• MS901 2m RVVP Cable with 5-pin M12X1 Female Right Angle Plug
• MS902 2m RVVP Cable with 8-pin M12X1 Female Right Angle Plug

Order Guide

Pressure Range Type Codes

• Gauge (G): 0bar to 1bar, up to 600bar.
• Absolute (A): 0bar to 1bar, up to 70bar.

Output Code

• 2KA: 2×PNP + 0/4mA~20mADC.

Thread Codes

• C1: M20×1.5 male, face-seal.
• C2: G1/4 male.
• C3: G1/2 male.
• C5: M20×1.5 male, waterline seal.
• C6: 1/4NPT male.

Other Codes

• R5: 5-pin M12X1 male plug.
• R8: 8-pin M12X1 male plug for Modbus communication.

For customized specifications and special requests, please contact us directly.

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