The SIMATIC S7-1200 Digital input SB 1221, 6ES7221 3AD30 0XB0 is a high-quality industrial automation component designed for applications requiring precise and reliable digital signal processing. With a frequency range of 50/60 Hertz and standard size, this DIN rail-mounted device offers seamless integration into various automation systems. Its output type is digital, making it suitable for handling digital inputs in industrial settings. 

Data Sheet 6ES7221-3AD30-0XB0

SIMATIC S7-1200 Digital Input SB 1221 (4 DI, 5V DC, 200 kHz, Sourcing)

General Information

• Product type designation: SB 1221, DI 4x5 V DC 200 kHz

Input Current

• From backplane bus (5 V DC): typ. 40 mA

Power Loss

• Typical power loss: 1 W

Digital Inputs

• Number of digital inputs: 4 (current-sourcing)

• Grouping: in groups of 4

Input Voltage

• Rated value (DC): 5 V

• Signal 0: (L+ 1.0 V DC) L+ (2.2 0 mA)

• Signal 1: 0 V (L+ 2.0 V DC) (20 5.1 mA)

Input Current

• For signal 0, max.: 2.2 mA

• For signal 1, min.: 5.1 mA

• For signal 1, typ.: 15 mA

Input Delay (at rated voltage)

• Standard inputs (parameterizable):
  0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 s
  0.05 / 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 ms

• Interrupt inputs: parameterizable

• Technological functions: parameterizable

Cable Length

• Shielded, twisted pair: max. 50 m

Status / Diagnostics

• LED for input status: Yes

Approvals / Certificates

• CE: Yes

• CSA: Yes

• UL: Yes

• cULus: Yes

• FM: Yes

• RCM: Yes

• KC: Yes

• Marine approval: Yes

Ambient Conditions

Free Fall

• Max. fall height: 0.3 m, five times (with packaging)

Operating Temperature

• Standard installation: 20 C to +60 C

• Horizontal installation: 20 C to +60 C

• Vertical installation: 20 C to +50 C

Storage / Transport Temperature

• 40 C to +70 C

Air Pressure (IEC 60068-2-13)

• Storage/transport: 660 hPa to 1080 hPa

Humidity

• Operation at 25 C without condensation: max. 95%

Mechanical Data

• Front enclosure material: Plastic

• Dimensions (W H D): 38 62 21 mm

• Weight: approx. 35 g

FAQs of SIMATIC S7-1200, Digital input SB 1221, 6ES7221 3AD30 0XB0: