For Siemens 400 Plc

6ES7421-7BH01-0AB0
SIMATIC S7-400, digital input SM 421, isolated 16 DI; 24 V DC with 0.05 ms input delay alarm, diagnostics
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Product Details

Product Description

6ES7421-7BH01-0AB0

SIMATIC S7-400, digital input SM 421, isolated 16 DI; 24 V DC with 0.05 ms input delay alarm, diagnostics

Brand Name

Siemens

Model Number

6ES7421-7BH01-0AB0

Net Weight (kg)

0,776 Kg

Place of Origin

Germany

Lead Time

In Stock

Packaging Dimension

23,30 x 29,50 x 3,80

Delivery Time

2-3 days

Specifications

SM 421 digital input module


Detailed Images

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 supply voltage L+, max. 120 mA

from backplane bus 5 V DC, max. 130 mA

Power loss

Power loss, typ. 5 W

Digital inputs

Number of digital inputs 16

Number of simultaneously controllable inputs

● Number of simultaneously controllable inputs 16

Input voltage

● Type of input voltage DC

● Rated value (DC) 24 V

● for signal "0" -30 V DC to +5 V DC

● for signal "1" 11 V DC to 30 V DC

Input current

● for signal "1", typ. 6 mA; 6 to 8 mA

Input delay (for rated value of input voltage) for standard inputs

— parameterizable Yes

— at "0" to "1", min. 3 µs; 0.05 / 0.1 / 0.5 / 3 ms

Cable length

● shielded, max. 1 000 m; 1 000 m: 3 ms, 70 m: 0.5 ms, 30 m: 0.1 ms, 30 m: 0.05 ms

● unshielded, max. 600 m; 600 m: 3 ms; 50 m: 0,5 ms; 20 m: 0,1 ms; 20 m: 0,05 ms

Encoder

Connectable encoders

● 2-wire sensor Yes

— permissible quiescent current (2-wire

sensor), max.3 mA

Interrupts/diagnostics/status information

Diagnostics function Yes; Parameterizable

Alarms

● Diagnostic alarm Yes; Parameterizable

● Hardware interrupt Yes; Parameterizable

Potential separation

Potential separation digital inputs

● between the channels, in groups of 8

● between the channels and backplane bus Yes

Isolation

Isolation tested with 500 V DC

Dimensions

Width :25 mm

Height :290 mm

Depth :210 mm

Weights

Weight, approx. 600 g

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