Simatic S7 300 321 PLC Products

6ES7321-1CH20-0AA0
SIMATIC S7-300, Digital input SM 321, isolated, 16 DI, 48-125 V DC, 1x 20-pole
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Product Details

Product Description

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


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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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