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6ES7221-1BH30-0XB05数字输入模块 厦门海通

发布日期：2025-05-26 09:16:02 来源：6ES7221-1BH30-0XB05数字输入模块 作者：6ES7221-1BH30-0XB05数字输入模块

模块基本信息

参数 说明
产品型号 6ES7221-1BH30-0XB05
所属系列 S7-1200 信号模块（SM，Signal Module）
模块类型 数字输入模块（DI，Digital Input）
订货号（MLFB） 6ES7 221-1BH30-0XB05

二、核心功能与特性

  1. 输入通道数
    • 提供 16 点直流数字输入，用于采集开关量信号（如按钮、传感器状态等）。
  2. 输入类型与电压
    • 输入电压：24V DC（直流），符合 IEC 61131-2 标准。
    • 输入特性：
      • 干接点或 NPN/PNP 型接近开关输入。
      • 支持漏型 / 源型输入（取决于接线方式）。
  3. 电气隔离
    • 通道间采用光电隔离，抗干扰能力强，隔离电压为 500V AC（有效值）。
  4. 诊断与状态指示
    • 每个通道配备 LED 指示灯，实时显示输入状态（点亮表示信号接通）。
    • 支持模块故障诊断（如电源丢失、通道短路等），可通过 PLC 系统读取诊断信息。
  5. 通信与集成
    • 通过 S7-1200 的背板总线与 CPU 通信，无需额外编程即可直接读取输入数据。
    • 支持 PROFINET 网络（需搭配 CPU 的 PROFINET 接口）。

三、技术参数

项目 详细参数
额定输入电压 24V DC（范围：20.4V ~ 28.8V DC）
输入延迟时间 可配置（0.2ms ~ 12.8ms，通过 STEP 7 软件设置）
功耗 约 3W（来自背板总线，无需外部电源）
尺寸（W×H×D） 35mm × 100mm × 75mm（紧凑设计，适合小型控制系统）
防护等级 IP20（需安装在控制柜内）
认证 CE、UL、cUL、FM 等（符合工业标准）

四、应用场景

  • 工业自动化：生产线控制、设备状态监测、传送带启停信号采集等。
  • 楼宇自动化：门禁系统、传感器信号接入（如烟雾探测器、液位开关）。
  • 过程控制：简单逻辑控制场景，配合 S7-1200 CPU 实现开关量逻辑运算。.

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