SIEMENS 6ES7 221-1BF22-0XA0 Digital Input Module
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数字输入模块 Siemens EM 221 是一款针对 S7-22X CPU 设计的8通道数字输入模块，具有快速的4.5毫秒输入延迟和宽电压范围检测。适用于工业自动化任务。
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SIEMENS EM 221 DIGITAL INPUT MODULE
The Siemens EM 221 Digital Input Module is a compact and reliable input extension designed exclusively for the S7-22X CPU series. Engineered for efficiency and precision, it provides 8 digital input channels and supports rapid signal detection within industrial control systems.
Manufacturer: Siemens
Type: Digital Input Module
Model: EM 221
MRN: 6ES7221-1BF22-0XA0
SN: C-V9D35289
E STAND: 04
Used for: S7-22X CPU ONLY
| Power Loss | 2W |
| Digital Inputs | 8 |
| Input Voltage | 0 / 5 V DC for œ0, 15 / 30 V DC for œ1 |
| Input Current | 4 mA |
| Input Delay | 4.5 ms |
| Dimensions | 46 x 80 x 62 mm |
