GE 8521-LC-MT 逻辑控制器

主要特点与优势

• 高性能处理：40 MHz 主频 RISC 内核，512 KB 程序内存，扫描周期 ≤1 ms，可胜任 512 点 I/O 的实时控制。
• 灵活扩展：单机自带 16 DI/DO，可级联扩展至 256 DI/256 DO 或 128 AI/AO，支持 DIN 导轨热插拔模块。
• 冗余通信：双 10/100 Mb 以太网端口 + RS-232/RS-485/CANopen，支持无扰冗余切换，保障关键网络持续在线。
• 宽压供电：100–240 V AC 或 24 V DC 宽压输入，适应全球电网与现场直流母线。
• 现场耐用性：IP65 铝壳，-40 °C…+70 °C 运行范围，抗振、防尘、防盐雾，可直接安装在过程区。
• 安全编程：符合 IEC 61131-3 标准（LD、ST、FBD），支持在线下载、断点调试及加密保护。

技术规格

典型应用

• 过程工业：炼油、化工装置 DCS 子站，完成温度、压力、流量闭环控制。
• 离散制造：汽车装配线、包装机、机器人单元的高速逻辑与运动控制。
• 能源与基础设施：发电厂辅机、变电站 SCADA、污水泵站无人值守系统。
• 危险区域：Zone 2/Class I Div 2 现场安装，配合本安 I/O 模块实现就地安全控制。

相关产品

• 8521-LC-MR：冗余 CPU 版本，支持双机热备与同步内存交换。
• IC800STI020：20 点数字量扩展模块，可直接插接 8521-LC-MT 实现 I/O 扩容。
• IC800SEM010：以太网扩展模块，提供额外 2 个 RJ45 端口，用于环网或冗余链路。

GE 8521-LC-MT Logic Controller

Product Overview:

8521-LC-MT is a programmable logic controller from the GE PAC8000/VersaMax Micro series, integrating a 32-bit RISC CPU, Ethernet redundancy, and multiple industrial communication protocols. It is designed specifically for complex, continuous, and high availability industrial automation scenarios.

Main features and advantages

High performance processing: 40 MHz main frequency RISC core, 512 KB program memory, scan cycle ≤ 1 ms, capable of real-time control of 512 I/O.

Flexible Expansion: The single machine comes with 16 DI/DO, which can be cascaded and expanded to 256 DI/256 DO or 128 AI/AO, and supports DIN rail hot swappable modules.

Redundant communication: Dual 10/100 Mb Ethernet ports+RS-232/RS-485/CANopen, supporting interference free redundant switching to ensure continuous online connectivity of critical networks.

Wide voltage power supply: 100-240 V AC or 24 V DC wide voltage input, suitable for global power grids and on-site DC busbars.

On site durability: IP65 aluminum shell, operating range of -40 ° C...+70 ° C, anti vibration, dustproof, anti salt spray, can be directly installed in the process area.

Secure programming: Complies with IEC 61131-3 standards (LD, ST, FBD), supports online downloading, breakpoint debugging, and encryption protection.

technical specifications

Project parameter values

Model 8521-LC-MT

CPU 32-bit RISC, 40 MHz

Program memory 512 KB/2 MB (optional)

Maximum I/O capacity of 512 points (local 128+expansion)

Communication interface dual Ethernet/IP, RS-232, RS-485, CANopen

Supply voltage 100-240 V AC or 24 V DC

Working temperature -40 ° C...+70 ° C

Storage temperature -40 ° C...+85 ° C

Protection level IP65

Dimensions 225 mm × 165 mm × 85 mm

Weight ≈ 2.5 kg

Typical applications

Process industry: DCS substation for refining and chemical plants, completing closed-loop control of temperature, pressure, and flow.

Discrete manufacturing: high-speed logic and motion control for automotive assembly lines, packaging machines, and robot units.

Energy and infrastructure: power plant auxiliary equipment, substation SCADA, unmanned sewage pump station system.

Dangerous area: Zone 2/Class I Div 2 on-site installation, combined with intrinsic safety I/O modules to achieve on-site safety control.

Related products

8521-LC-MR: Redundant CPU version, supporting dual machine hot standby and synchronous memory swapping.

IC800STI020: 20 point digital expansion module, which can be directly plugged into 8521-LC-MT to achieve I/O expansion.

IC800SEM010: Ethernet expansion module, providing 2 additional RJ45 ports for ring network or redundant links.