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6ES7221-3BF50-0XB0

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Siemens 6ES7221-3BF50-0XB0

SIMATIC S7-1200 G2: SB 1221 digital input, 8 DI 100 kHz; inputs: 8x DI 24 V DC sink/source, 100 kHz

General information
Product type designation		SB 1221, DI 8x 24 V DC 100 kHz
Engineering with
● STEP 7 TIA Portal configurable/integrated from version		V20 or higher
Input current
from backplane bus 5 V DC, typ.		108 mA
Digital inputs
● from load voltage L+ (without load), max.		6 mA; per channel
Power loss
Power loss, typ.		2.4 W
Digital inputs
Number of digital inputs		8; sink / source
● in groups of		8
Input characteristic curve in accordance with IEC 61131, type 1		Yes
Number of simultaneously controllable inputs
all mounting positions
— up to 40 °C, max.		8
Input voltage
● Rated value (DC)		24 V
● for signal "0"		5 V DC or 0.5 mA
● for signal "1"		15 V DC at 2.5 mA
Input current
● for signal "0", max. (permissible quiescent current)		0.5 mA
● for signal "1", min.		3.3 mA
● for signal "1", typ.		6 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
for interrupt inputs
— parameterizable		Yes
for technological functions
— parameterizable		Yes
Cable length
● shielded, max.		500 m; 500 m shielded, 50 m shielded for HSC inputs
● unshielded, max.		300 m
Interrupts/diagnostics/status information
Diagnostics function		Yes
Alarms
● Diagnostic alarm		No
Diagnoses
● Monitoring the supply voltage		No
Diagnostics indication LED
● DIAG LED		Yes
● for status of the inputs		Yes
Potential separation
Potential separation digital inputs
● between the channels		No
● between the channels, in groups of		8
● Number of potential groups		1
● between the channels and backplane bus		Yes; 707 V DC (type test)
Degree and class of protection
IP degree of protection		IP20