SB 1221 · 4 DI
6ES7221-3AD30-0XB0 is a SIMATIC S7-1200 SB 1221 signal board that adds four 5 V DC sourcing digital inputs with a maximum input frequency of 200 kHz.
The 6ES7221-3AD30-0XB0 is a Siemens SIMATIC S7-1200 SB 1221 digital input signal board with 4 sourcing inputs rated 5 V DC and 200 kHz.
SOURCING INPUT · 200 kHz
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6ES7221-3AD30-0XB0 adds four compact high-speed digital inputs to a compatible SIMATIC S7-1200 CPU for pulse, encoder and fast sensor acquisition.
6ES7221-3AD30-0XB0 provides 4 sourcing digital inputs rated for 5 V DC signals.
6ES7221-3AD30-0XB0 is intended for 5 V DC sourcing inputs up to 200 kHz; confirm the connected sensor output type and reference potential.
6ES7221-3AD30-0XB0 is a 5 V DC high-speed input board, so 24 V DC must not be applied directly.
6ES7221-3AD30-0XB0 has official packaging dimensions of 4.7 × 8.0 × 2.7 cm and a net weight of 0.030 kg.
6ES7221-3AD30-0XB0 is listed by Siemens as an Active Product, supplied as one piece per package.
6ES7221-3AD30-0XB0 should be quoted with the complete order number, CPU model, sensor voltage, pulse frequency, required quantity and delivery destination.
Share the complete order number and application details for compatibility, availability and lead-time checking.
Official Siemens documentation for SIMATIC S7-1200 SB 1221 SB 1221 Digital Input Signal Board, 4 DI.
Siemens technical datasheet for 6ES7221-3AD30-0XB0, including product characteristics, lifecycle, packaging dimensions and net weight.
OFFICIAL DATASHEETSend the complete model, quantity, and your technical or purchasing question.
Technical statements on this product page are based on publicly available official Siemens manufacturer documentation.
Siemens is the brand; SIMATIC S7-1200 SB 1221 is the product family; and 6ES7221-3AD30-0XB0 adds four high-speed 5 V DC digital inputs to a compatible S7-1200 CPU.
6ES7221-3AD30-0XB0 is a SIMATIC S7-1200 SB 1221 signal board that adds four 5 V DC sourcing digital inputs with a maximum input frequency of 200 kHz.
STEP 7 in TIA Portal supports the related controller or module workflow; follow the official Siemens instructions for installation and commissioning.
6ES7221-3AD30-0XB0 is intended for high-speed digital input expansion with the specified Siemens system configuration.
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Include the complete part number, quantity and delivery destination.

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