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6ES7321-1FF01-0AA0 SM321, 8DI, AC120/230V

Manufacturer:
SIEMENS
Weight:
0.24kg
Product Range:
Automation Systems

Product Information

SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED, 8 DI, 120V/230V AC, 1 X 20 PIN
Supply voltage
Load voltage L1
Rated value (AC)230 V; 120/230 V AC
Input current
from backplane bus 5 V DC, max.29 mA
Power losses
Power loss, typ.4.9 W
Digital inputs
Number/binary inputs8
Input characteristic curve acc. to IEC 1131, Type 1Yes
Number of simultaneously controllable inputs
horizontal installation
up to 60 °C, max.8
vertical installation
up to 40 °C, max.8
Input voltage
Type of input voltageAC
Rated value, AC230 V; 120/230 V AC
for signal "0"0 to 40 V
for signal "1"79 to 264 V
Frequency range47 to 63 Hz
Input current
for signal "1", typ.6.5 mA; (120 V); 11 mA (230 V)
Input delay (for rated value of input voltage)
for standard inputs
ParameterizableNo
at "0" to "1", max.25 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 modeNo
Interrupts/diagnostics/status information
Alarms
AlarmsNo
Diagnostic alarmNo
Hardware interruptNo
Diagnoses
Diagnostic functionsNo
Diagnostics indication LED
Group error SF (red)No
Status indicator digital input (green)Yes
Galvanic isolation
Galvanic isolation digital inputs
between the channelsNo
between the channels, in groups of2
between the channels and the backplane busYes; Optocoupler
Isolation
Isolation checked with4000 VDC
Connection method
required front connector20-pin
Dimensions
Width40 mm
Height125 mm
Depth120 mm
Weight
Weight, approx.240 g

19 Units in Stock


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