6ES7321-1CH20-0AA0
SIMATIC S7-300, Digital input SM 321, isolated, 16 DI, 48-125 V DC, 1x 20-pole
Brand Name | Siemens |
Model Number | 6ES7321-1CH20-0AA0 |
Net Weight (kg) | 0,25 Kg |
Place of Origin | Germany |
Lead Time | In Stock |
Packaging Dimension | 13,20 x 15,20 x 5,10 |
Delivery Time | 2-3 days |
Specifications | Digital input SM 321 |
Detailed Images
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Supply voltage
Load voltage L+
● Rated value (DC) 48 V
● permissible range, lower limit (DC) 48 V
● permissible range, upper limit (DC) 125 V
Input current
from backplane bus 5 V DC, max. 40 mA
Power loss
Power loss, typ. 4.3 W
Digital inputs
Number of digital inputs 16
Input characteristic curve in accordance with IEC
61131, type 1 Yes
Number of simultaneously controllable inputs
horizontal installation
— up to 40 °C, max. 8
— up to 60 °C, max. 8; 6 to Ue 146 V
vertical installation
— up to 40 °C, max. 8
Input voltage
● Type of input voltage DC
● Rated value (DC) 48 V; 48 V DC to 125 V DC
● for signal "0" -146 V DC to +15 V DC
● for signal "1" 30 V DC to 146 V DC
Input current
● for signal "1", typ. 3.5 mA
Input delay (for rated value of input voltage) for standard inputs
— parameterizable No
— at "0" to "1", min. 0.1 ms
— at "0" to "1", max. 3.5 ms
— at "1" to "0", min. 0.7 ms
— at "1" to "0", max. 3 ms
Cable length
● shielded, max. 1 000 m
● unshielded, max. 600 m
Encoder
Connectable encoders
● 2-wire sensor Yes
— permissible quiescent current (2-wire sensor), max.1 mA
Isochronous mode
Isochronous operation (application synchronized up
to terminal) No
Permissible potential difference
between different circuits 146 V DC/132 V AC
Isolation
Isolation tested with 1500 V DC
Connection method
required front connector 20-pin
Dimensions
Width : 40 mm
Height :125 mm
Depth :120 mm
Weights
Weight, approx. : 200 g
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