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6ES7321-7BH01-0AB0 SM321, 16DI, 24V DC

Manufacturer:
SIEMENS
Weight:
0.2kg
Product Range:
Automation Systems

Product Information

SIMATIC S7-300, DIGITAL INPUT SM 321, GALVANICALLY ISOLATED, 16 DI, DC 24V, 1 X 20 PIN, PROCESS INTERRUPT, DIAGNOSTICS, FIT FOR ISOCHRONE MODE
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.90 mA
from backplane bus 5 V DC, max.130 mA
Power losses
Power loss, typ.4 W
Digital inputs
Number/binary inputs16
Input characteristic curve acc. to IEC 1131, Type 2Yes
Number of simultaneously controllable inputs
horizontal installation
up to 60 °C, max.16
vertical installation
up to 40 °C, max.16
Input voltage
Type of input voltageDC
Rated value, DC24 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
ParameterizableYes; 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 BEROSYes
permissible quiescent current (2-wire BEROS), max.2 mA
Isochronous mode
Isochronous modeYes
Interrupts/diagnostics/status information
Alarms
AlarmsYes
Diagnostic alarmYes; Parameterizable
Hardware interruptYes; Parameterizable
Diagnoses
Diagnostic functionsYes; Parameterizable
Diagnostics indication LED
Group error SF (red)Yes
Status indicator digital input (green)Yes
Galvanic isolation
Galvanic isolation digital inputs
between the channelsNo
between the channels, in groups of16
between the channels and the backplane busYes; Optocoupler
Permissible potential difference
between different circuits75 VDC / 60 VAC
Isolation
Isolation checked with500 V DC
Connection method
required front connector20-pin
Dimensions
Width40 mm
Height125 mm
Depth120 mm
Weight
Weight, approx.200 g

13 Units in Stock


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