- Drive technology
- Automation technology
- Automation systems
- SIMATIC Industrial Automation Systems
- Controllers
- LOGO! logic module
- Basic Controllers
- Advanced Controllers
- S7-1500
- Central processing units
- I/O modules
- Digital modules
- SM 521 digital input modules
- SM 522 digital output modules
- SM 523 digital input/output modules
- SIPLUS digital modules
- Analog modules
- Technology modules
- Communication
- Connection system
- Fail-safe I/O modules
- Power supplies
- Operator control and monitoring
- Accessories
- S7-300
- S7-400/S7-400H/S7-400F/FH
- Distributed Controllers
- Software Controllers
- Drive Controllers
- Supplementary components
- I/O systems
- SIMATIC control systems
- Software for SIMATIC Controllers
- Programming devices
- Siemens Partner Program
- SIMOTION Motion Control System
- SINUMERIK CNC automation systems
- System cabling/control cabinets
- SIMATIC HMI operator control and monitoring systems
- Identification and locating
- Industrial communication
- Modular Automation
- Industrial controls
- Industrial Edge
- Industry software
- Industrial Computing
- Process control systems
- Process instrumentation
- Process analytics
- SITOP power supplies
- Products for specific requirements
- Energy
- Building Technologies
- Low-Voltage controls and distribution
- Market-specific solutions
- Services
- Software
- ... and everything else you need
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SM 521 数字量输入模块
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产品编号 / 产品说明
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目录价格 / 您的价格
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AS-i 电源 3A 120V/230V AC AS-Interface 电源，IP20 输入：120 V / 230 V AC 输出：AS-i，3A(30 V DC)，IP20 集成 接地故障检测，含 集成过载识别 含 AS-i 数据解耦
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AS-i 电源 3A 24 V DC AS-Interface 电源，IP20 输入：24 V DC 输出：AS-i，3A(30 V DC)，IP20 集成 接地故障检测，含 集成过载识别 含 AS-i 数据解耦
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AS-i 电源 2.6 A，最大 100 W 120V/230V AC AS-Interface 电源，IP20 输入：120 V/230 V AC 输出：AS-i，2.6 A(30 V DC) 限制 输出功率 最大 100 W，IP20，带 集成接地识别 含 AS-i 数据解耦
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AS-i 电源 5A 120V/230V AC AS-Interface 电源，IP20 输入：120 V / 230 V AC 输出：AS-i，5A(30 V DC)，IP20 集成 接地故障检测，含 集成过载识别 含 AS-i 数据解耦
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AS-i 电源 8A 120 V/230-500 V AC AS-Interface 电源，IP20 输入：120 V / 230-500 V AC 输出：AS-I8 A(30 V DC) 集成 接地故障检测，含 集成过载识别 含 AS-i 数据解耦
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