1.产 品 资 料 介 绍：
- 属于西门子 SIMATIC 505（原 TI 505）系列545 型 CPU 逻辑控制器，面向中小型过程与离散控制场景。
- 搭载12MHz 68020 处理器，运算性能稳定，满足工业实时控制需求。
- 用户程序内存96KB，板载 EEPROM 存储，断电数据不丢失。
- 布尔运算扫描速度0.33ms/K，响应快速，适配高实时性控制任务。
- 最大支持1024 点数字 I/O、1024 点模拟 I/O，满足中小型系统扩展。
- 内置16 路标准 PID 回路、32 路模拟报警，支持闭环过程控制。
- 提供4096 个控制继电器、1024 个定时器 / 计数器，逻辑编程资源充足。
- 支持整数与浮点运算，可处理复杂数学与过程控制算法。
- 双串口通信：1 路 RS-232、1 路 RS-232/422/485，波特率最高 38400bps。
- 支持TIWAY I、Modbus、TCP/IP、PROFIBUS-FMS等多协议通信。
- 可选配PROFIBUS-DP 扩展卡，最多支持32 个 DP 从站，实现远程 I/O 扩展。
- 前面板可更换锂电池备份，断电保持程序与时钟，室温续航约 3 年。
- 操作系统固化于Flash EEPROM，支持固件升级，维护便捷。
- 背板总线直接供电，标准 Eurocard 尺寸，兼容 505 系列全系列机架。
- 产品已停产，市场以二手、翻新、原装备件为主，专用于老旧 545 系统维修替换。
Belonging to the Siemens SIMATIC 505 (formerly TI 505) series 545 CPU logic controller, it is designed for small and medium-sized process and discrete control scenarios.
Equipped with a 12MHz 68020 processor, the computing performance is stable and meets the real-time control needs of industry.
User program memory 96KB, onboard EEPROM storage, data not lost during power failure.
Boolean operation scanning speed of 0.33ms/K, fast response, suitable for high real-time control tasks.
Supports up to 1024 points of digital I/O and 1024 points of analog I/O, meeting the expansion needs of small and medium-sized systems.
Built in 16 standard PID circuits and 32 analog alarms, supporting closed-loop process control.
Provide 4096 control relays and 1024 timers/counters, with sufficient logic programming resources.
Supports integer and floating-point operations, capable of handling complex mathematical and process control algorithms.
Dual serial communication: 1 channel RS-232, 1 channel RS-232/422/485, with a maximum baud rate of 38400bps.
Supports multi protocol communication such as TIWAY I, Modbus, TCP/IP, PROFIBUS-FMS, etc.
PROFIBUS-DP expansion card can be optionally selected, supporting up to 32 DP slave stations for remote I/O expansion.
The front panel can be equipped with a replaceable lithium battery backup, which can maintain the program and clock when powered off. The battery life at room temperature is about 3 years.
The operating system is fixed in Flash EEPROM, supports firmware upgrades, and is easy to maintain.
The backplane bus is directly powered, with standard Eurocard size and compatibility with the entire 505 series rack.
The product has been discontinued, and the market mainly consists of second-hand, refurbished, and original spare parts, specifically designed for repairing and replacing old 545 systems.
In summary, Siemens 545-1105 is a small and medium-sized PLC CPU with balanced performance and complete functions. With stable computing power, rich I/O and communication interfaces, it has become the core logic control unit of the old SIMATIC 505 control system, widely adapting to the maintenance and upgrade needs of traditional manufacturing, chemical and other industrial scenarios.
产品视频
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The content is from Ruichang Mingsheng Automation Equipment Co., LTD
Contact: +86 15270269218
