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Product data sheet
6ES7221-1BH30-0XB0
SIMATIC S7-1200, DIGITAL INPUT SM 1221,
16 DI, 24VDC, SINK/SOURCE INPUT
-
Supply voltage
24 V DC
Yes
permissible range, lower limit (DC)
20.4 V
permissible range, upper limit (DC)
28.8 V
Input current
from backplane bus 5 V DC, max.
130 mA
Digital inputs
from load voltage L+ (without load), max.
4 mA ; per channel
Output voltage
Power supply to the transmitters
present
Yes
Power losses
Power loss, typ.
2.5 W
Digital inputs
Number/binary inputs
In groups of
Input characteristic curve acc. to IEC 61131, Type 1
16
4
Yes
Number of simultaneously controllable inputs
6ES7221-1BH30-0XB0
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03/05/2013
subject to modifications
© Copyright Siemens AG 2013
all mounting positions
up to 40 °C, max.
16
horizontal installation
up to 40 °C, max.
16
up to 50 °C, max.
16
vertical installation
up to 40 °C, max.
16
Input voltage
Type of input voltage
DC
Rated value, DC
24 V
for signal "0"
5 V DC at 1 mA
for signal "1"
15 V DC at 2.5 mA
Input current
for signal "0", max. (permissible quiescent current)
1 mA
for signal "1", min.
2.5 mA
for signal "1", typ.
4 mA ; Typical
Input delay (for rated value of input voltage)
for standard inputs
Parameterizable
Yes ; 0.2, 0.4, 0.8, 1.6, 3.2, 6.4, and 12.8 ms, selectable in groups of
four
for interrupt inputs
Parameterizable
Yes
Cable length
Cable length, shielded, max.
500 m
Cable length unshielded, max.
300 m
Digital outputs
Number/binary outputs
0
Interrupts/diagnostics/status information
Alarms
Alarms
Yes
Diagnostic alarm
Yes
Diagnostic messages
Diagnostic functions
Yes
Diagnostics indication LED
for status of the inputs
Yes
for maintenance
Yes
Status indicator digital input (green)
Yes
Galvanic isolation
6ES7221-1BH30-0XB0
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