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- Siemens Simatic S7
- S7-1200
- 6ES7221-3BD30-0XB0
In Stock
Ships by Wednesday, August 26
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We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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Technical specifications for 6ES7221-3BD30-0XB0
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Product Model6ES7221-3BD30-0XB0
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Product ParametersSB 1221 4DI 200 kHz Signal Board
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Tariff Code85389091
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Country of originChina
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size4.5x7.5x10cm
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ManufacturerSiemens
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Weight0.15 kg
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Product typeSB 1221 digital input board
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Digital inputs4
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Input typeCurrent-sourcing
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Rated input24 V DC at 7 mA nominal
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Continuous input voltage28.8 V DC
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Surge input voltage35 V DC for 0.5 s
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Single-phase HSC rate200 kHz maximum
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Quadrature HSC rate160 kHz maximum
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SM bus current40 mA
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Power dissipation1.5 W
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Input filter0.1 µs to 20 ms, parameterizable
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Shielded cable length50 m maximum, twisted pair
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Isolation707 V DC type test
Description
Siemens 6ES7221-3BD30-0XB0 is a compact SIMATIC S7-1200 SB 1221 signal board with four current-sourcing digital inputs. Each input is rated for 24 V DC, and the board supports high-speed counting directly within a compatible S7-1200 CPU.
The official system manual specifies single-phase input rates up to 200 kHz, quadrature rates up to 160 kHz and parameterizable input filtering. This board installs in the designated CPU signal-board position and requires verified terminal wiring, polarity and engineering configuration.
Information
Overview
Manuals
Product Applications
Compatibility
Features:
- Four 24 V DC sourcing digital inputs
- 200 kHz single-phase HSC rate
- 160 kHz quadrature-phase HSC rate
- Parameterizable input filter times
- Compact 38 × 62 × 21 mm signal board
The S7-1200 system manual specifies parameterizable input filters, 200 kHz single-phase and 160 kHz quadrature high-speed input rates, status indication and 50 m maximum shielded twisted-pair cabling.
This is a CPU signal board, not a standalone input module; confirm the host S7-1200 CPU, terminal assignment and engineering configuration before installation.
Siemens 6ES7221-3BD30-0XB0 SB 1221 4DI 200 kHz Signal Board Manuals, Official Documents, Links
Important Notice: Amikon PDF documents are independent reference materials prepared from verified manufacturer sources. Refer to the current Siemens documentation before installation or commissioning. Accessories, manuals, cables, software, certificates, and other items are not included with this equipment unless listed in the stock item description.
- Safety monitoring in flow-pack wrapping machinery
- Input monitoring on automatic pallet-wrapping lines
- Machine sensing on plastic extrusion production lines
- Sensor feedback in high-speed cheese-cutting machinery
- Status monitoring in inert-atmosphere equipment systems
These application fields summarize official Siemens S7-1200 reference cases; the cited cases are series-level.
System: Siemens specifies this board for installation in a compatible SIMATIC S7-1200 CPU signal-board slot. It is not a separate rack signal module.
Safety: Power down the S7-1200 CPU and field circuit before fitting or removing the signal board.
Mounting: Open the CPU signal-board cover and install the SB 1221 only in the designated board position.
Connection: Wire X19 according to the Siemens sourcing-input diagram and maintain the specified 24 V DC polarity.
Commissioning: Configure input filtering and high-speed counting in the engineering project before applying the machine signal.
Technical notes
Power down the S7-1200 CPU and field circuit before fitting or removing the signal board. Open the CPU signal-board cover and install the SB 1221 only in the designated board position. Wire X19 according to the Siemens sourcing-input diagram and maintain the specified 24 V DC polarity. Configure input filtering and high-speed counting in the engineering project before applying the machine signal.
FAQs
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What is Siemens 6ES7221-3BD30-0XB0?
+Siemens 6ES7221-3BD30-0XB0 is a compact S7-1200 SB 1221 digital-input signal board with four 24 V DC sourcing inputs. -
What is the primary function of 6ES7221-3BD30-0XB0?
+The S7-1200 system manual specifies parameterizable input filters, 200 kHz single-phase and 160 kHz quadrature high-speed input rates, status indication and 50 m maximum shielded twisted-pair cabling. -
Which system is 6ES7221-3BD30-0XB0 used with?
+Siemens specifies this board for installation in a compatible SIMATIC S7-1200 CPU signal-board slot. It is not a separate rack signal module. -
What should be checked before installing 6ES7221-3BD30-0XB0?
+Power down the S7-1200 CPU and field circuit before fitting or removing the signal board. -
Which official Siemens manual covers 6ES7221-3BD30-0XB0?
+S7-1200 Programmable Controller System Manual, document A5E02486680-AP, is the cited official source. -
Where can the official technical data for 6ES7221-3BD30-0XB0 be verified?
+Use the Siemens exact product record and the current official manual linked in the Manuals section.
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