SIMATIC S7-1200 – SB 1221 Digital Input Module – Siemens Digital Modules

$ 94.21 – $ 98.55

SKU: N/A

The SB 1221 digital input signal boards enable connection of the controller to digital process signals.

Siemens Digital Modules S7-1200 Product Specifications:

Article number 6ES7221-3AD30-0XB0 6ES7221-3BD30-0XB0
Signal Board SB 1221, 4 DI 5VDC 200KHz Signal Board SB 1221, 4 DI 24VDC 200KHz
General information
Product type designation SB 1221, DI 4×5 V DC 200 kHz SB 1221, DI 4×24 V DC 200 kHz
Input current
from backplane bus 5 V DC, typ. 40 mA 40 mA
Power loss
Power loss, typ. 1 W 1 W
Digital inputs
Number of digital inputs 4; Current-sourcing 4; Current-sourcing
● in groups of 4 4
Input voltage
● Type of input voltage DC DC
● Rated value (DC) 5 V 24 V
● for signal “0” (L+ minus 1.0 V DC) … L+ (2.2 … 0 mA) (L+ minus 5.0 V DC) … L+ (1.4 … 0 mA)
● for signal “1” 0 V … (L+ minus 2.0 V DC (20 … 5.1 mA)) 0 V … (L+ minus 10 V DC (10 … 2.9 mA))
Input current
● for signal “0”, max. (permissible quiescent current) 2.2 mA 1.4 mA
● for signal “1”, min. 5.1 mA 2.9 mA
● for signal “1”, typ. 15 mA 7 mA
Input delay (for rated value of input voltage)
for standard inputs
— parameterizable Yes; 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 μs; 0.05 / 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 ms Yes; 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 μs; 0.05 / 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 ms
for interrupt inputs
— parameterizable Yes Yes
for technological functions
— parameterizable Yes Yes
Cable length
● shielded, max. 50 m; shielded, twisted pair 50 m; shielded, twisted pair
Interrupts/diagnostics/status information
Diagnostics indication LED
● for status of the inputs Yes Yes
Standards, approvals, certificates
CE mark Yes Yes
CSA approval Yes Yes
UL approval Yes Yes
cULus Yes Yes
FM approval Yes Yes
RCM (formerly C-TICK) Yes Yes
KC approval Yes Yes
Marine approval Yes Yes
Ambient conditions
Free fall
● Fall height, max. 0.3 m; five times, in product package 0.3 m; five times, in product package
Ambient temperature during operation
● min. -20 °C -20 °C
● max. 60 °C 60 °C
● horizontal installation, min. -20 °C -20 °C
● horizontal installation, max. 60 °C 60 °C
● vertical installation, min. -20 °C -20 °C
● vertical installation, max. 50 °C 50 °C
Ambient temperature during storage/transportation
● min. -40 °C -40 °C
● max. 70 °C 70 °C
Air pressure acc. to IEC 60068-2-13
● Storage/transport, min. 660 hPa 660 hPa
● Storage/transport, max. 1 080 hPa 1 080 hPa
Relative humidity
● Operation at 25 ℃ without condensation, max. 95 % 95 %
Mechanics/material
Enclosure material (front)
● Plastic Yes Yes
Dimensions
Width 38 mm 38 mm
Height 62 mm 62 mm
Depth 21 mm 21 mm
Weights
Weight, approx. 35 g 35 g
Weight N/A
Dimensions N/A

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