6ES7321-1EL00-0AA0 SM321, 32DI, AC120V

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Product Information

SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED, 32 DI, 120V AC, 1 X 40 PIN
Supply voltage
Load voltage L1
Rated value (AC)	120 V
Input current
from backplane bus 5 V DC, max.	16 mA
Power losses
Power loss, typ.	4 W
Digital inputs
Number/binary inputs	32
Input characteristic curve acc. to IEC 1131, Type 2	Yes
Input voltage
Type of input voltage
Rated value, AC	120 V
for signal "0"	0 to 20 V
for signal "1"	74 to 132 V
Frequency range	47 to 63 Hz
Input current
for signal "1", typ.	21 mA
Input delay (for rated value of input voltage)
for standard inputs
Parameterizable	No
at "0" to "1", max.	15 ms
Cable length
Cable length, shielded, max.	1000 m
Cable length unshielded, max.	600 m
Encoder
Connectable encoders
2-wire BEROS	Yes
permissible quiescent current (2-wire BEROS), max.	4 mA
Isochronous mode
Isochronous mode	No
Interrupts/diagnostics/status information
Alarms
Alarms	No
Diagnostic alarm	No
Hardware interrupt	No
Diagnoses
Diagnostic functions	No
Diagnostics indication LED
Group error SF (red)	No
Status indicator digital input (green)	Yes; per channel
Galvanic isolation
Galvanic isolation digital inputs
between the channels	No
between the channels, in groups of	8
between the channels and the backplane bus	Yes; Optocoupler
Isolation
Isolation checked with	2500 V DC
Connection method
required front connector	40-pin
Dimensions
Width	40 mm
Height	125 mm
Depth	120 mm
Weight
Weight, approx.	300 g

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