1. Main Specifications| Product Series | Modicon M238 Series | | Product Type | CPU Module | | Power Consumption | Approx. 15 W | | Input Type | 24 V DC (configurable as PNP or NPN) | | Power Supply | 24 V DC (19.2–28.8 V DC) | | Certifications | CE, UL, GL, RoHS |
2. Key Selling PointsAll-in-One Controller with 32 Built-in Digital I/O Points:Integrated 16 digital inputs (DI) + 16 transistor PNP outputs (DO)—eliminates the need for additional I/O modules in most small
machine applications, reducing system cost and wiring complexity. Built-in 4-Channel Configurable Analog Inputs:Supports 0–10 V or 0/4–20 mA signals, compatible with common sensors (temperature, pressure,
flow)—reduces the need for external analog modules and enhances
system integration. Dual Communication Interfaces with Industry-Standard Protocols:Equipped with 1 Ethernet port (10/100 Mbps) and 1 RS-485 port, supporting Modbus TCP, Modbus RTU, EtherNet/IP (with license), and CANopen
Master—enables seamless connectivity with HMIs, SCADA systems, drives,
and other devices. Onboard Human-Machine Interface (HMI):Features a built-in 3-line text display and 5 navigation buttons, allowing local monitoring, parameter adjustment, and diagnostics
without an external HMI—significantly improving commissioning and
maintenance efficiency. Hot-Swappable Expansion Capability:Supports up to 7 TM2 series I/O expansion modules mounted on the right side, with hot-swap support—enables easy upgrades or replacements without shutting down the
system, minimizing downtime. High-Performance Processor for Fast Response:Powered by a high-speed processor with fast scan cycles—ideal for
real-time control applications such as packaging, sorting, and
filling machines.
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