ALSTOM MCTI40N1AB0751G Trapezoidal Logic Control Communication Interface Module

Main Control Unit: Integrates a high-performance microprocessor (e.g., ARM Cortex series), supporting real-time data processing and multi-task scheduling with a main frequency ≥400MHz to meet the high-speed response requirements of industrial control.

Communication Module: Built-in EtherCAT bus interface (100Mbps), Ethernet (10/100Mbps), and RS485/RS232 interfaces, supporting industrial protocols such as Modbus and CANopen to enable bidirectional communication with PLCs, sensors, and host computers.

Power Module: Powered by DC 24V (±10%), with reverse connection protection, overvoltage protection (OVP), and low-power design (power consumption <15W) to ensure stable operation in industrial environments.

I/O Interface: May include digital input/output (e.g., 16 DI/16 DO) and analog input/output (e.g., 8 AI/8 AO), supporting 16-bit resolution and electrical isolation (isolation voltage ≥1000V DC) to prevent interference and improve reliability.

Motion Control Unit: Optimizes electronic cam and multi-axis synchronization algorithms, supports the CiA 402 protocol, and can directly connect to servo drives to achieve real-time control of motor torque, speed, and position (e.g., synchronous axis position error <0.1mm).

EtherCAT Real-time Communication:
Constructs a ring network topology via RJ45 interface, supporting ≥65,535 slave stations in a single ring network with communication delay <1ms. Data is transmitted in PDO (Process Data Object) or Mailbox (Mailbox Protocol) format, combined with distributed clock synchronization (DC) to ensure timestamp consistency across multiple devices, suitable for high-speed real-time control scenarios (e.g., packaging machines, printing presses).

Protocol Conversion Function:
As a gateway, it can convert protocol data such as CANopen and Modbus RTU into Ethernet/IP or OPC UA to achieve integration of different systems (e.g., connecting sensors to SCADA or MES systems), adapting to Industrial Internet of Things (IIoT) requirements.

Signal Input:
DI channels collect field switching signals (24V DC, response time <50μs), and AI channels receive analog quantities (0-10V/4-20mA, 16-bit resolution), which are converted to digital quantities by ADC and processed by the microprocessor.

Instruction Output:
Receives DO/AO instructions from the master station (PLC/DCS), converts them to analog signals via DAC or directly drives digital outputs (e.g., transistors/relays, maximum load 2A), supports edge-triggered interrupts (response time <100μs), and is suitable for safety scenarios such as emergency stop (E-Stop).

Adopts optimized electronic cam algorithms to achieve position and speed synchronization of multi-axes (e.g., servo motors, stepper motors) via the EtherCAT bus. For example, in packaging machinery, it controls the synchronous movement of cutting blades and conveyor belts to ensure a position error <0.1mm.

Supports the CiA 402 protocol, directly communicates with servo drives, real-time monitors motor status (torque, speed, temperature), and adjusts parameters through closed-loop control to improve motion accuracy.

Automotive Production Lines: Achieves multi-station synchronous control of welding robots and material sorting equipment through electronic cams for precise positioning of stamping machines.

Logistics Sorting: Utilizes the high-speed response of the EtherCAT bus to control the action of sorting valves and conveyor belt speed, enabling precise sorting of packages (response time <1ms).

Electrical Isolation: Optoelectronic isolation between I/O channels with isolation voltage ≥1000V DC prevents surges and electrostatic interference; supports short-circuit protection, overload detection, and hot-swapping to reduce maintenance downtime.

Environmental Adaptability: Operating temperature -20℃~+60℃, humidity 5%~95% (non-condensing), protection class IP20 (panel mounting), meeting the requirements of harsh industrial field environments.

Ring Network Redundancy: Supports EtherCAT DCIR (Dynamic Configuration Ring Network Redundancy) with switching time <1ms in case of link interruption to ensure continuous communication.

Self-diagnosis Function: Real-time monitors faults (e.g., overvoltage, communication timeout) through LED indicators (power, communication, I/O status) and diagnostic buffers, and records logs for maintenance.