6ES7221-1BH22-0XA0
EM 221, 16DI, DC 24V, P/M-switching

From SIEMENS

***Spare part*** SIMATIC S7-200, Digital input EM 221, only for S7-22X CPU, 16 DI, 24 V DC, sinking-sourcing
Input current
from backplane bus 5 V DC, max.70 mA
Power loss
Power loss, typ.3 W
Digital inputs
Number of digital inputs16
Source/sink inputYes
Input characteristic curve in accordance with IEC 61131, type 1Yes
Input voltage
Type of input voltageDC
Rated value (DC)24 V
for signal "0"0 to 5 V
for signal "1"+15 to +30V
Input current
for signal "1", typ.4 mA
Input delay (for rated value of input voltage)
for standard inputs
— at "0" to "1", max.4.5 ms
Cable length
shielded, max.500 m
unshielded, max.300 m
Encoder
Connectable encoders
2-wire sensorYes
— permissible quiescent current (2-wire sensor), max.1 mA
Potential separation
Potential separation digital inputs
Potential separation digital inputsYes; Optocoupler
between the channels, in groups of4
Isolation
Isolation tested with500V AC for 1 minute
Connection method
Plug-in I/O terminalsYes
Dimensions
Width71.2 mm
Height80 mm
Depth62 mm
Weights
Weight, approx.160 g
last modified:03/29/2019

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