Product Short Description
Product Overview
Mitsubishi small-sized programmable logic controller for general industrial automation, AC power supply, DC sink/source dual-compatible input, transistor source output design, supports extensive analog, communication, positioning expansion modules, widely used in small automation production equipment, packaging machinery, conveying lines.
Description
Technical Specifications
- I/O allocation: 24 points DC24V digital input, 16 points transistor digital output, total 40 built-in I/O
- Power supply type: AC 100–240 V, 50/60 Hz, max power consumption 37 W
- Output type: Sourcing transistor output, single point max load 0.5 A DC24V
- Program memory capacity: 32,000 steps built-in flash memory
- Basic instruction execution speed: 0.21 μs per LD logic instruction
- Maximum expandable I/O points: Local 128 points, local + remote total 256 points
- Onboard communication interfaces: USB programming port, RS422 peripheral port
- Operating ambient temperature: 0°C ~ +55°C
- Protection class: IP10 (cabinet internal installation only)
- Overall dimensions: 130 mm (W) × 90 mm (H) × 86 mm (D)
- Net weight: 0.65 kg
Function Features
- Dual sink/source compatible DC input terminals, flexible matching different brand sensor wiring modes
- Transistor high-speed output, supports 100 kHz pulse positioning control for stepping/servo drives
- Built-in real-time clock with calendar timing function for batch production timing logic
- Rich built-in instructions: PID temperature regulation, high-speed counter, pulse width modulation PWM, serial communication instructions
- Support multiple communication protocols: Modbus RTU, N:N network between multiple FX PLCs, RS485 communication with touch screen
- Optional memory cassette for program backup, supports RUN-time program online modification without equipment stop
- Hardware self-diagnosis function: power abnormality, I/O short circuit, program error code display via LED indicators
- Expandable analog input/output, thermocouple, RTD temperature modules, CC-Link fieldbus expansion
- Compliant with global safety certifications: UL, cUL, CE EMC/LVD, RoHS, marine DNV/ABS ship certification
Application Scenarios
Food packaging machinery, automated conveyor belt control, small injection molding machine auxiliary control, textile printing equipment, environmental protection water treatment small control cabinet, elevator auxiliary logic, agricultural automated irrigation equipment, lithium battery small assembly lines, marine auxiliary equipment control.
Performance Parameters
- High-speed counter channels: 6 channels 100 kHz differential input
- Maximum pulse output frequency: 100 kHz single-axis positioning
- Data register capacity: 32,000 16-bit registers
- File register storage: Max 5000 file registers for production parameter storage
- EMC anti-interference compliance: IEC 61000-6-2 industrial standard
- Service life flash memory program write cycle: ≥100,000 times
- Storage temperature range: -20°C ~ +75°C
Material Composition
- PLC outer housing: Gray ABS flame retardant plastic, UL94 V-0 fire resistance
- Main control board: High anti-interference FR4 PCB, automotive grade industrial MCU chip
- Input/output drive chip: Photoelectric optocoupler isolated drive device
- Power supply unit: High efficiency switching power supply with overvoltage/overcurrent protection circuit
- Terminal block: Nylon plastic housing with copper alloy conductive terminals
Structural Characteristics
Integrated rectangular compact body, top AC power input terminals, left side DC digital input terminals, right side transistor output terminals, front panel RUN/ERROR/BATT status LED indicators, USB programming port and RS422 communication port on front lower side. Rear integrated DIN rail mounting buckle, side expansion bus interface for connecting analog/communication expansion modules. Internal independent isolation partition between power supply zone, logic control zone and I/O drive zone to prevent signal interference.
Working Principle
Cyclic scanning control mode: PLC executes user ladder logic program stored in flash memory in cycle order. DC input terminals collect field sensor switch signals, optocoupler isolates and converts signals to internal logic level for CPU reading. CPU operates logic, timing, counting, positioning, PID calculation according to program instructions, outputs control signal to transistor drive circuit. Transistor output terminals send DC24V pulse/switch signal to external actuators (servo, solenoid valve, indicator light). Onboard communication chip exchanges data with touch screen, upper computer or other PLCs via RS422/USB bus. Real-time clock chip provides accurate time stamp for production data recording and timing interlock logic.
Installation Requirements
- Mount on standard 35 mm DIN rail inside closed control cabinet, vertical installation only, prohibit horizontal/upside-down mounting
- Minimum clearance above PLC: 50 mm, below: 30 mm for heat dissipation
- Keep ≥100 mm distance from frequency converters, contactors and other high electromagnetic interference components
- AC power input wiring must add noise filter, ground wire connected to cabinet protective ground bus
- Field DC input/output cables use shielded wire, separate AC power cable and DC signal cable routing
- Cabinet internal ambient humidity maintained below 85% RH without condensation
Use & Maintenance Precautions
- Do not connect AC voltage to DC input terminals; will burn internal optocoupler input circuit instantly
- Transistor output cannot directly drive AC loads; must add intermediate DC relay conversion
- Avoid long-term operation at cabinet temperature above 55°C, will accelerate internal power supply aging
- Backup program to memory cassette every 3 months to prevent program loss due to battery depletion
- Replace built-in lithium battery every 5 years; low battery voltage triggers BATT alarm LED
- Do not disassemble PLC housing; internal circuit tampering voids factory warranty
- Conduct regular input/output terminal short circuit test every 6 months to verify fault diagnosis function
- If deploying in coastal salt fog environment, install sealed cabinet with dehumidifier to prevent circuit board corrosion
Reviews
There are no reviews yet.