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Simatic S7-400, Digital Input SM 421, 32DI, 24VDC, Siemens
Image is illustrative
Simatic S7-400, Digital Input SM 421, 32DI, 24VDC, Siemens
Code: 6ES7421-1BL01-0AA0
Cena (indicative)
195,10 €  /pc
Manufacturer :
Availability:
21 days
Weight:
0.8085 kg/pc
Volume:
0.0028 m3/pc
Quantity:
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Simatic S7-400, Digital Input SM 421, 32DI, 24VDC, Siemens

SIMATIC S7-400, digital input SM 421, isolated 32 DI; 24 V DC
Input current
from backplane bus 5 V DC, max. 20 mA
Power loss
Power loss, typ. 6 W
Digital inputs
Number of digital inputs 32
Number of simultaneously controllable inputs
● Number of simultaneously controllable inputs 32
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" 13 V DC to 30 V DC
Input current
● for signal "0", max. (permissible quiescent current) 1.3 mA
● for signal "1", typ. 7 mA
Input delay (for rated value of input voltage)
for standard inputs
— at "0" to "1", min. 1.2 ms
— at "0" to "1", max. 4.8 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. 1.5 mA
Interrupts/diagnostics/status information
Diagnostics function No
Potential separation
Potential separation digital inputs
● between the channels, in groups of 32
● between the channels and backplane bus Yes
Isolation
Isolation tested with 500 V DC
Dimensions
Width 25 mm
Height 290 mm
Depth 210 mm
last modified: 03/13/2019
 
 
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