1PC used Ingersoll Rand Air Compressor Controller Board SG Type 39875158 #LYQ007
1PC used Ingersoll Rand Air Compressor Controller Board SG Type 39875158 #LYQ007
1PC used Ingersoll Rand Air Compressor Controller Board SG Type 39875158 #LYQ007
Part Number: 39875158; Product Name: Ingersoll Rand SG Type Air Compressor Controller Board; Product Series: Ingersoll Rand SG Series Industrial Compressor Control Modules, dedicated to intelligent control and monitoring of rotary screw air compressors.
Brand: Ingersoll Rand (A global leader in industrial equipment and compressed air systems, renowned for reliable compressor components and intelligent control solutions. The 39875158 controller board integrates precise pressure control, fault diagnosis, and system regulation functions, ensuring stable and efficient operation of SG series air compressors.)
Product Status: Industrial-Grade Original Equipment (Factory Calibrated, RoHS Compliant, Anti-Static Packaging); Product Category: Compressor Main Controller Board, serving as the core control unit for air compressor start-stop, load/unload regulation, and operational status monitoring.
Core Application: Exclusive for Ingersoll Rand SG series rotary screw air compressors, applicable to fixed-speed and variable-speed models in industrial production. Widely used in manufacturing, construction, chemical processing, food & beverage, electronics, and automotive industries for compressed air system control.
Core Features: Intelligent pressure and temperature control algorithms; Real-time fault diagnosis and alarm functions; Multiple sensor signal acquisition and processing; Built-in communication interface for remote monitoring; Industrial-grade components for harsh working environments; Support for parameter calibration and data logging; Automatic protection for compressor motor and auxiliary systems.
2. Core Electrical Specifications (Ta = 25℃, Unless Otherwise Specified)
2.1 Power Supply Parameters
Power Supply Voltage: DC 24V ±10% (Stable Power Input, Compatible with Compressor Internal Power Supply); Power Consumption: ≤15W (Working State), ≤3W (Standby State);
Input Current: 1.2A (Maximum Working Current), 0.3A (Standby Current); Fuse Rating: 2A Slow-Blow Fuse (Overcurrent Protection);
Reverse Polarity Protection: Yes (No Damage When Power Polarity Reversed, Auto-Cutoff Protection).
2.2 Control & Signal Parameters
Pressure Control Range: 0.4-1.6 MPa (Adjustable, Precision ±0.02 MPa); Temperature Control Range: -20℃ ~ +120℃ (Compressor Oil Temperature Monitoring, Precision ±1℃);
Sensor Inputs: 4 x Analog Inputs (0-10V DC / 4-20mA) for Pressure, Temperature, and Flow Sensors; 8 x Digital Inputs (Optically Isolated, 24V DC) for Limit Switches, Contactors, and Status Signals;
Output Signals: 6 x Digital Outputs (Relay Contacts, 250V AC / 30V DC, 5A Rated Current) for Motor Control, Solenoid Valves, and Alarm Devices; 2 x Analog Outputs (0-10V DC / 4-20mA) for External Display or Secondary Control;
Control Response Time: ≤100ms (Sensor Signal Processing and Output Regulation).
2.3 Communication Parameters
Communication Interface: 1 x RS-485 (Half-Duplex, Optically Isolated); 1 x Optional Ethernet Port (RJ45, for Industrial Network Integration);
Supported Protocols: Modbus RTU (Standard), Ingersoll Rand Proprietary Communication Protocol (Compatible with Compressor HMI and Remote Monitoring Systems);
Baud Rate: 2400-19200 bps (Configurable); Parity Check: None / Odd / Even (Selectable); Data Bits: 8 Bits; Stop Bits: 1 Bit;
Communication Distance: Up to 1000m (RS-485 Interface, Using Shielded Twisted Pair Cable); Isolation Voltage: 2500Vrms (RS-485 Port Isolation, 1 Minute Test).
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