Product Description
6ES7221-3AD30-0XB0 Siemens SIMATIC S7-1200 SB 1221 Digital Input Signal Board
- Brand: Siemens (Genuine, Original)
- Product Type: Digital Input Signal Board
- Number of Inputs: 4 channels
- Rated Voltage: 5V DC (high-speed input)
- Input Frequency: Up to 200 kHz (supports High-Speed Counting / HSC)
- Input Type: Sink input
- Mounting: Plugged directly into the S7-1200 CPU front-cover signal board slot
- Compatible CPUs: S7-1200 full series — 1211C / 1212C / 1214C / 1215C / 1217C
- Engineering: TIA Portal (STEP 7 Basic / Professional)
- Typical Applications: Encoder signal acquisition, high-speed counting, frequency measurement, position detection
- Warranty: Brand-new genuine, with warranty support
- Availability: In stock, worldwide shipping
