Product Overview

The Schneider Electric 140CPU31110C is a powerful processor module. It belongs to the well-known Modicon Quantum series. This CPU manages industrial processes with stable logic execution. You can use it for demanding automation tasks in harsh settings. The 140CPU31110C includes a conformal coating for extra protection. Industrial users trust this processor for reliable process control.

Technical Specifications

The 140CPU31110C delivers solid performance and environmental resistance. Below are the core technical details.

Processor Performance:

• Clock Frequency: 66 MHz for fast logic scans.

• RAM: 548 kB for program and data storage.

• Bus Current: 1.8 Amps.

Connectivity & Interfaces:

• Modbus Connection: SUB-D 9 pin connector.

• USB Interface: 1 USB port for easy programming access.

• Remote I/O Support: Up to 31 remote I/O devices.

• Racks Supported: 2 racks maximum per system.

Protection & Approvals:

• Protective Treatment: Conformal coating for moisture and dust resistance.

• HazLoc Standard: Suitable for hazardous locations.

• Approvals: CE and UL certified.

• Checks: Process control verification functions.

Performance in Harsh Environments

The 140CPU31110C stands out for its rugged design. The conformal coating protects the circuit board. This coating resists humidity, dust, and chemical vapors. Therefore, the 140CPU31110C works well in harsh industrial zones. The HazLoc approval also allows installation in hazardous areas. You get a processor that handles both performance and durability needs.

System Integration Capabilities

This processor supports flexible system architectures. You can connect up to 31 remote I/O modules. This expands your control network without heavy wiring. The 140CPU31110C also fits into two rack configurations. Use the SUB-D 9 port for Modbus serial communication. The USB interface gives you a modern programming path. All these features make the 140CPU31110C a versatile choice.

Installation Guidelines

Install the 140CPU31110C into a standard Modicon Quantum rack. Always cut power before inserting or removing the CPU. Mount the rack in a clean, dry panel. Do not touch the conformal coating surface. Connect the Modbus wiring to the SUB-D 9 port. Use shielded cables for long communication runs. Ensure the bus current draw stays within 1.8 Amps.

What is in the Box

Please inspect all items upon delivery.

• Schneider Electric 140CPU31110C processor module.

• Anti-static protective bag.

• Installation quick start guide.

Frequently Asked Questions (FAQ)

1. What is conformal coating on the 140CPU31110C?
It is a thin chemical layer on the circuit board. This coating protects against moisture, dust, and corrosion.

2. How many remote I/O nodes can this CPU handle?
The 140CPU31110C supports up to 31 remote I/O devices. This allows you to build a large distributed system.

3. Can I use this processor in a food processing plant?
Yes. The conformal coating makes it resistant to humidity. However, you must keep the CPU in a protected enclosure.

4. Does the 140CPU31110C support Ethernet communication?
No. This model provides Modbus (SUB-D 9) and USB only. For Ethernet, please consider other Quantum CPU models.

5. What happens if the bus current exceeds 1.8 Amps?
The power supply may overheat or shut down. Always calculate your total backplane current before adding modules. The 140CPU31110C needs stable power.