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ABB 1SVR440723R0300 Logic Relay

Product Description

The ABB 1SVR440723R0300 is a compact logic relay designed for industrial control scenarios. It integrates basic logic functions (e.g., AND, OR, NOT, delay) and digital I/O, serving as a cost-effective alternative to small PLCs. It simplifies control logic implementation for low-complexity industrial equipment (e.g., conveyors, small machines) by replacing discrete relays and timers, ensuring stable and flexible control of on-site processes.

Key Specifications

I/O Configuration: 8 digital inputs (24V DC, NPN/PNP configurable); 4 digital outputs (24V DC, 2A per channel, total 6A).

Logic Functions: Supports 16 pre-programmed logic blocks (AND, OR, XOR, flip-flop, on-delay/off-delay); max logic steps: 32.

Time Range: Delay functions (on/off delay, pulse) adjustable from 0.01s to 999h; cycle timer range 0.1s-999h.

Power Supply: 24V DC (18-30V DC); power consumption ≤5W (full load).

Environmental Adaptability: Operating temperature -20°C to +60°C; humidity 5%-95% (non-condensing); IP20 (control cabinet installation).

Mechanical: 35mm DIN rail-mounted; dimensions 90×62×17.5mm; compact design for space-saving.

Protection: ESD protection (IEC 61000-4-2, ±8kV contact); short-circuit protection for outputs.

Certifications: CE, UL, CSA; compliant with IEC 61131-2 standard.

Advantages & Features

Simplified Logic Control: Pre-programmed logic blocks eliminate the need for custom PLC programming, reducing setup time—ideal for non-professional users or small-scale control tasks.

High I/O Density: 8 inputs + 4 outputs in a compact 17.5mm-wide housing, saving control cabinet space vs. discrete relays.

Flexible Input/Output: Configurable NPN/PNP inputs fit different sensor types; 2A outputs drive small actuators (e.g., solenoids, small motors) directly.

Reliable Protection: Output short-circuit protection prevents damage from wiring errors; ESD protection ensures stability in industrial electrical environments.

Easy Debugging: Built-in LED indicators for power, input status, and output status—quickly identify faults (e.g., open input, shorted output).

Application Fields

Small Machinery Control: Used in packaging machines to control conveyor start/stop, film-sealing timing, and sensor-triggered actions (e.g., part detection → stop conveyor).

Material Handling: Manages conveyor belt logic in warehouses—e.g., "conveyor A runs only if conveyor B is on" (AND logic) or "emergency stop pauses all conveyors" (NOT logic).

Industrial Heating Equipment: Controls temperature-related logic for small ovens—e.g., "heater on only if door is closed (input 1) and temp < setpoint (input 2)" (AND logic) with overheat delay shutdown.

Building Automation: Integrates into small-scale HVAC or lighting systems—e.g., "light on if motion detected (input 1) and ambient light < threshold (input 2)" (AND logic) with 5-minute off-delay.

Precautions

Wiring: Separate input/output wiring to reduce EMI; use 0.5-1.0mm² copper wires for I/O connections. Tighten terminal screws to 0.5-0.8N·m to avoid loose contacts from vibration.

Input/Output Matching: Confirm input type (NPN/PNP) matches sensors; do not exceed 2A per output or 6A total output current (e.g., avoid connecting 3A motors directly—use contactors).

Power Supply: Use a regulated 24V DC power supply with overload protection; avoid reverse polarity (connect +24V to "V+" terminal, 0V to "V-").

Environmental Installation: Do not install near heat sources (e.g., power modules) or in high-humidity areas (>95% non-condensing); keep 5mm clearance around the relay for heat dissipation.

Maintenance: Regularly check LED indicators to confirm normal operation; clean dust from terminals every 6 months. If outputs fail to switch, check for short circuits (replace relay if internal protection is triggered irreversibly).

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