Product Description
6ES7421-1FH20-0AA0
SIMATIC S7-400, digital input SM 421, isolated 16 DI; UC 120/230V Inputs according to IEC1131-2 Type 2
Brand Name | Siemens |
Model Number | 6ES7421-1FH20-0AA0 |
Net Weight (kg) | 0,776 Kg |
Place of Origin | Germany |
Lead Time | In Stock |
Packaging Dimension | 22,90 x 30,20 x 4,10 |
Delivery Time | 2-3 days |
Specifications |
Detailed Images
Input current
from backplane bus 5 V DC, max. 80 mA
Power loss
Power loss, typ. 12 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 AC/DC
● Rated value (UC) 230 V; 120/230 V UC (47 ... 63 Hz)
● for signal "0" 0 to 40 V AC/ -40 to +40 V DC
● for signal "1" 74 to 264 V AC; 80 to 264 V DC, -80 to -264 V Input current
● for signal "0", max. (permissible quiescent current)
6 mA; AC: 6 mA; DC: 2 mA
● for signal "1", typ. 10 mA; at 120 V: 10 mA AC, 1.8 mA DC; at 230 V: 14 mA AC, 2
Input delay (for rated value of input voltage) for standard inputs
— at "0" to "1", max. 20 ms; AC: 20 ms; DC: 15 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. 5 mA; AC: 5 mA
Interrupts/diagnostics/status information
Diagnostics function No
Potential separation
Potential separation digital inputs
● between the channels, in groups of 4
● between the channels and backplane bus Yes
Isolation
Isolation tested with 1500 V AC
Dimensions
Width 25 mm
Height 290 mm
Depth 210 mm
Weights
Weight, approx. 650 g
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