Description
Description
The 110CPU31103 is a high-performance, all-in-one micro programmable logic controller (PLC) from the Schneider Electric Modicon Micro automation range. This compact, integrated unit combines a central processing unit, a 24 VDC power supply, and a fixed configuration of discrete DC inputs and solid-state DC outputs into a single, ruggedized enclosure. Designed for standalone machinery and localized control loops, the 110CPU31103 provides deterministic execution of ladder logic, ensuring reliable operation in space-constrained industrial environments.
Features
- Integrated CPU, power supply, and I/O in a single compact module.
- 16 discrete 24 VDC inputs and 12 solid-state DC transistor outputs.
- Built-in Modbus serial communication port (RS-232C/RS-485) for HMI or drive integration.
- Non-volatile EEPROM and battery-backed RAM for secure logic and data retention.
- High-speed processing with 0.5 ms per kiloword execution time.
- Front-facing LED matrix for real-time status monitoring of I/O, Run, and Fault states.
Applications
The Modicon Micro 110CPU31103 is suitable for a wide range of industrial automation tasks, including:
- Water pumping and treatment stations.
- Material handling and conveyor control systems.
- Automated packaging machinery.
- Minor power generation and distribution control.
- Distributed machine-level control loops.
Technical Specifications
| Model |
110CPU31103 |
| Brand |
Schneider Electric |
| Range |
Modicon Micro |
| Power Supply |
24 VDC (19.2 to 30 VDC range) |
| Discrete Inputs |
16 channels, 24 VDC |
| Discrete Outputs |
12 channels, solid-state DC (transistor) |
| Output Rating |
0.5 A max per channel |
| Memory |
6K words instruction / 2K words data |
| Communication |
1 x Modbus (9-pin) |
| Operating Temp |
0 to 60 deg C |
| Power Consumption |
24 W max |
Installation Guidelines
- Ensure the controller is mounted in a clean, dry, and vibration-free environment.
- Maintain adequate clearance around the unit for ventilation and heat dissipation.
- Always disconnect power before installing or removing wiring to prevent electrical shock or damage to the module.
- Use shielded cables for communication and I/O signals to minimize EMI interference.
- Ensure proper grounding of the module chassis to the control panel backplane.
- Observe correct polarity when connecting the 24 VDC power supply.
Compliance and Certifications
The 110CPU31103 meets international standards for industrial safety and performance, including CE, UL, CSA, and FM Class 1 Division 2 certifications.
FAQ
What is the primary communication protocol for this CPU?
The 110CPU31103 features an integrated Modbus serial port, which supports standard RS-232C or RS-485 communication for connecting HMIs, VFDs, or programming terminals.
Is this module expandable?
No, the 110CPU31103 is designed as a non-expandable, all-in-one micro PLC architecture, providing a fixed I/O count for compact applications.
How is the logic protected during power loss?
The unit utilizes a combination of non-volatile EEPROM and battery-backed RAM to ensure that logic maps, registers, and operational counters are preserved during power outages.
