ABB 5PC720.1505-01 COMAC 720 series compact programmable logic controller

Product Description
ABB 5PC720.1505-01 is the main control module of the CPU of ABB’s COMAC 720 series compact programmable logic controller.
COMAC (Compact Machine Automation Controller) is a compact PLC platform launched by ABB for small and medium-sized machine automation and process control. 5PC720.1505-01, as the CPU core processing unit of this series, integrates functions such as logic operations, communication interfaces, and I/O management, and is suitable for single-machine equipment control, small production line automation, and OEM mechanical control, among other scenarios.

Technical Specifications
Parameter Item Details
Product Model 5PC720.1505-01
Product Series ABB COMAC 720 Compact PLC
Product Type CPU Main Control Module (Processor Module)
Programming Software Control Builder (compatible with AC 500)
Programming Language IEC 61131-3 (LD/FBD/ST/SFC/IL)
Processor 32-bit RISC Processor
Program Memory ~256 KB ~ 512 KB (Typical)
Data Memory ~256 KB (Typical)
Power Failure Retention ✅ Flash Memory, data not lost during power failure
Cycle Scan Time ≤ 1ms / 1K Step (Typical)
Bit Processing Speed ~0.05 μs / Instruction (Typical)
Digital Input (DI) 16 ~ 32 Points (24V DC, depending on configuration)
Digital Output (DO) 16 ~ 32 Points (Transistors/Relays, depending on configuration)
Analog Input (AI) 4 ~ 8 Channels (0-10V / 4-20mA / RTD / TC)
Analog Output (AO) 2 ~ 4 Channels (0-10V / 4-20mA)
High-Speed Counter ✅ Supported (up to 100kHz)
High-Speed Output (PWM) ✅ Supported (up to 100kHz)
Communication Interface Ethernet (RJ45) + RS-485/RS-232
Communication Protocol Modbus TCP/RTU, PROFIBUS DP (optional), EtherNet/IP (optional)
Expansion Capability Supports I/O Expansion Module (up to approximately 128 Points)
Power Supply Voltage 24V DC (Standard)
Power Consumption (Typical) ~3W ~ 5W
Protection Grade IP20 (installed in cabinet)
Operating Temperature 0°C ~ +55°C (Standard) / -25°C ~ +70°C (wide temperature version)
Operating Humidity 5% ~ 95% RH (no condensation)
Installation Method DIN Rail Installation (35mm)
Size (Typical) ~100mm × 90mm × 65mm (Width × Height × Depth)
Weight (Typical) ~0.3 ~ 0.5 kg
Standard Certifications CE, UL, CCC, RoHS
Manufacturer ABB (Sweden/China)
??️ Protection Functions / Protection Features
Protection Function Explanation
⚡ Short Circuit Protection I/O Port Short Circuit Protection
Under Voltage Protection Automatic reset when power supply voltage is too low
 Over Voltage Protection Protection when power supply voltage exceeds limit
 Over Temperature Protection CPU Temperature exceeds limit, speed reduction / shutdown
Communication Watchdog Automatic switch to safe state when communication is interrupted
 Program Protection Password protection to prevent unauthorized modification
 Redundant Switching Supports CPU Redundancy (hot backup)