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6ES7221-1BH22-0XA0 Siemens
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
SIMATIC S7-200 CN digital input module, 16 channels, 24 V DC sink/source interface. Module integrates into S7-200 controller systems to expand digital input capacity. Typically used in machine-level signal acquisition, retrofit installations, and distributed I/O expansions where S7-200 platforms are in service. Part number 6ES7221-1BH22-0XA0 (based on 6ES7221-1BH22-0XA8 datasheet data) enables direct connection of field sensors to the S7-200 backplane.
Best Suited For
- S7-200 controller expansions
- Machine-level digital input interface
- Retrofit or spare-part replacement
- Distributed I/O where 24 V DC sinking/sourcing logic signals are used
Technical Specifications
I/O & Electrical
Physical & Environmental
Certifications
CE declaration of conformity, China RoHS, Bureau Veritas marine approval for 0XA8; for 0BF22-0XA0: CCC, CSA, UL, EAC, RCM, Chinese Quality Checkmark, Environmental confirmations