Siemens S7-200 SMART Digital Input Module
*(Model: 6ES7221-1BH32-0XB0)*

16-channel 24V DC input (sink/source)

500V isolation, configurable filtering

1kHz switching frequency

Compact design (71×80×62mm, IP20)

0-55°C operation

*High-density DI solution for S7-200 SMART systems.*

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Key features:

LED per-channel status

Screw terminal connection

Mixed NPN/PNP support

Plug-and-play installation

Note: Compatible with all S7-200 SMART CPUs.

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