6ES7321-7BH80-0AB0 SIMATIC S7-300, DIGITAL INPUT

Product Code: 6ES7321-7BH80-0AB0

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	SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED, FOR EXPANDED TEMPERATURE RANGE, 16 DI, 24V DC, 20 PIN, PROCESS INTERRUPT, DIAGNOSTICS,

Supply voltage
Load voltage L+
Rated value (DC)	24 V
permissible range, lower limit (DC)	20.4 V
permissible range, upper limit (DC)	28.8 V
Input current
from load voltage L+ (without load), max.	40 mA
from backplane bus 5 V DC, max.	55 mA
Power losses
Power loss, typ.	4 W
Digital inputs
Number of digital inputs	16
Number of simultaneously controllable inputs
all mounting positions
up to 40 °C, max.	16
up to 60 °C, max.	16
Input voltage
Rated value, DC	24 V
for signal "0"	-30 to +5 V
for signal "1"	13 to 30 V
Input current
for signal "1", typ.	7 mA
Input delay (for rated value of input voltage)
for standard inputs
Parameterizable	Yes; 0.1 / 0.5 / 3 / 15 / 20 ms
Cable length
Cable length, shielded, max.	1000 m
Cable length unshielded, max.	600 m
Encoder
Connectable encoders
2-wire sensor	Yes
Permissible quiescent current (2-wire sensor), max.	1.5 mA
Interrupts/diagnostics/status information
Alarms
Diagnostic alarm	Yes
Hardware interrupt	Yes
Diagnostic messages
Diagnostics	Yes; internal/ external fault
Galvanic isolation
Galvanic isolation digital inputs
between the channels, in groups of	16
between the channels and the backplane bus	Yes; Optocoupler
Connection method
required front connector	20-pin
Dimensions
Width	40 mm
Height	125 mm
Depth	120 mm
Weights
Weight, approx.	200 g
Status	May 13, 2014