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Siemens S7-1200 Signal boards - digital DI 4x24 V DC 200 kHz
SKU: 6ES7221-3BD30-0XB0
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Short Description
Pricing available on request
Description:
This signal board expands S7-1200 CPUs with 4 high-speed digital inputs, optimized for 24 V DC sourcing applications.
It’s ideal for industrial sensors, encoders, or pulse-generating devices in automation systems requiring fast edge detection.
Buy currently uses Select Automation shop pricing and checkout.
Specifications:
Electrical Characteristics:
Rated Input Voltage: 24 V DC.
Input Type: Current sourcing.
Input Delay:
Parameterizable:
Microsecond range: 0.1–20.0 µs.
Millisecond range: 0.05–20.0 ms.
Input Current:
Signal “0”: Max 1.4 mA.
Signal “1”: Min 2.9 mA, Typ 7 mA.
Power Loss: 1 W.
Backplane Bus Current: 40 mA.
Digital Inputs:
Channels: 4.
Group Configuration: Single group of 4.
Max Frequency: 200 kHz.
Cable Length:
Shielded: 50 m (twisted pair recommended).
Technological Functions:
Interrupts.
High-speed counting.
Pulse edge detection.
Mechanical & Environmental:
Dimensions (W x H x D): 38 × 62 × 21 mm.
Mounting: Direct CPU attachment.
Protection Rating: IP20.
Operating Temp: –20 to +60 °C.
Storage Temp: –40 to +70 °C.
Humidity: Up to 95% (non-condensing).
Weight: ~35 g.
Compliance & Approvals:
CE, UL, CSA, FM, RCM, KC.
Marine: DNV, LRS, BV, RMRS, CCS.
Hazardous Location: ATEX, IECEx, CCC-Ex.
EMC & RoHS Compliant.