Program Memory: 256 KB (non-volatile flash)

Data Memory: 128 KB RAM (battery-backed)

Digital Inputs: 12 points (24 V DC, sinking/sourcing selectable)

Digital Outputs: 8 points (transistor, 24 V DC, 0.5 A per point)

Analog Inputs: 2 channels (0-10 V DC / 4-20 mA, 12-bit resolution)

Analog Outputs: 1 channel (0-10 V DC, 12-bit resolution)

High-Speed Counters: 2 channels (up to 100 kHz)

Communication Ports: 1× RS-485 (Modbus RTU master/slave); 1× RS-232 (programming port)

Expansion Capacity: Up to 3 I/O expansion modules (local bus)

Power Supply: 24 V DC (±20%), 350 mA typical consumption

Backup Battery: CR2032 lithium battery (program retention ≥ 10 years)

Operating Temperature: 0°C to +55°C

Storage Temperature: -40°C to +85°C

Protection Class: IP20 (front panel); IP40 with enclosure

Mounting: DIN rail 35 mm / Panel mount (screw holes provided)

Dimensions (W × H × D): 105 mm × 90 mm × 62 mm

Weight: 280 g

Standards: IEC 61131-2, IEC 61131-3, CE, UL 508, CSA C22.2 No. 142

Programming Languages Supported: Ladder Diagram (LD), Function Block Diagram (FBD), Structured Text (ST), Instruction List (IL), Sequential Function Chart (SFC)

Key Features:

• Built-in web server for remote monitoring via Ethernet-to-serial gateway
• Motion control capability: up to 2 axis PTO (Pulse Train Output)
• Data logging: up to 1000 records in retentive memory
• Password protection: 3 access levels (operator, engineer, administrator)

Applicable Industries: Machine automation, conveyor systems, packaging lines, HVAC control, water treatment, small-scale process control

Installation Requirements:

• Mount on DIN rail or inside control panel with minimum ventilation
• Use shielded cable for RS-485 communication (max 1200 m at 9600 baud)
• Terminate RS-485 bus with 120 Ω resistor at both ends
• Connect battery within 10 seconds of power-off to prevent program loss

Usage Notes:

• Perform full program backup to USB/SD card before firmware updates
• Do not disconnect 24 V DC power while CPU is writing to flash memory
• Replace CR2032 battery every 5 years even if not expired (preventive maintenance)
• Maximum scan time: 10 ms (1000 instructions typical program)