Based on standardized hardware design, this module integrates a high‑performance processor, multiple communication interfaces, and a modular memory architecture. It supports convenient DIN‑rail mounting to meet decentralized control requirements in industrial field applications. Configuration and programming can be implemented via 800xA Control Builder.It is widely used in various industrial process control scenarios, featuring high reliability, simple fault diagnosis, and flexible expansion capabilities to satisfy basic control and communication requirements of controllers in industrial field environments.

Hardware & Performance Specifications

Processor & Computing Performance

Memory Configuration

• Total memory: 12 MB
• Available application RAM: 6.253 MB
• 2 MB Flash PROM for firmware storage
• Supports Flash memory functionality
• Program and data read/write via CompactFlash interface
• Built-in 3.6 V lithium battery for RAM backup, ensuring data retention after power loss.

Task & Application Capacity

• Single controller supports up to 32 applications, 32 tasks, and 32 configurable cycle times.
• Each application can run up to 64 programs and 128 charts, satisfying multi-scenario and multi-process industrial control configuration requirements.

Communication Interface Design

Ethernet Interface

• Complies with IEEE 802.3 standard
• Transmission rate: 10 Mbit/s
• 8-pin female connector
• Supports MMS (Manufacturing Message Specification) and IAC (Inter-Application Communication)
• Recommended backbone: 100 Mbit/s switched EthernetEach base has a unique Ethernet address serving as the CPU hardware identification.

Serial Interface

• COM3: Non‑galvanically isolated, baud rate 75–19200, supports full RTS‑CTS flow control and modem control signals for general serial communication.
• COM4: Galvanically isolated, fixed baud rate 9600, no RTS‑CTS, dedicated for configuration tool connection and commissioning.

Expansion & Bus Communication

• Supports 1 CEX bus communication module with a maximum supply current of 2.4 A.
• Modulebus: 1 electrical cluster + 1 optical cluster, supporting up to 24 I/O modules.
• Scan rate: 0–100 ms (adjustable based on I/O quantity).
• Electrical Modulebus: 24 V max. 1.0 A, 5 V max. 1.5 A, enabling efficient I/O signal acquisition and transmission.

OPC Communication

• Per OPC client: up to 3000 events in the controller event queue.
• Transmission rate to OPC server:
• 36–86 events per second
• 113–143 data messages per second
• Enables high-efficiency data exchange with third-party HMIs and systems.
• Clock synchronization accuracy between AC 800M controllers via CNCP protocol: 1 ms.

Power Supply & Power Consumption

Power Supply

• Power input: 24 V DC
• Voltage range: 19.2–30 V DC
• Supports redundant power status input, compatible with standard industrial DC power environments.

Power Consumption

• Typical operating current: 180 mA; maximum: 300 mA
• Typical power consumption: 4.32 W; maximum: 7.2 WLow-power design allows compact mounting without additional cooling equipment, reducing installation space and cooling costs.

Features & Benefits

Environmental Adaptability

• Operating temperature: +5 °C to +55 °C
• Storage temperature: -40 °C to +70 °C
• Temperature change rate: 3 °C/min, complying with IEC/EN 61131-2
• Maximum operating altitude: 2000 m
• Relative humidity: 5%–95% non‑condensingSuitable for various industrial environments with different temperature, humidity and altitude conditions.

• Pollution degree: 2
• Corrosion protection: complies with ISA 71.04 G3
• Vibration resistance:
• 0.0375 mm amplitude at 10–50 Hz
• 0.5 g acceleration at 50–150 Hz
• 0.2 g acceleration at 5–500 Hz
• Rated isolation voltage: 50 V
• Dielectric test voltage: 500 V AC
• Radiated noise: < 55 dB(A)Provides excellent resistance to industrial on-site interference.

Physical Dimensions & Weight

• Width: 119 mm (4.7 in)
• Height: 186 mm (7.3 in)
• Depth: 135 mm (5.3 in)
• Net weight: 1100 g (2.4 lbs)Compact dimensions enable dense installation in industrial control cabinets, saving cabinet space.

Applications

• Production line control in general manufacturing
• Basic logic control for small‑scale chemical plants
• HVAC system control
• Control of auxiliary equipment on offshore platforms

With marine classification society certification and hazardous area certification, it also meets basic control requirements in marine industries and light hazardous areas in petrochemical facilities.

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