6ES7421-1EL00-0AA0 SM421, 32DI, DC/AC 120V

Product Code: 6ES7421-1EL00-0AA0

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6ES7421-1EL00-0AA0

		SIMATIC S7-400, SM 421 DIGITAL INPUT MODULE, FLOATING, 32 DI, 120V DC/AC
Input current
from backplane bus 5 V DC, max.		200 mA
Power losses
Power loss, max.		16 W
Digital inputs
Number of digital inputs		32
Number of simultaneously controllable inputs
all mounting positions
— up to 40 °C, max.		32
— up to 60 °C, max.		32
Input voltage
● Type of input voltage		AC/DC
● Rated value, UC		120 V
● for signal "0"		0 to 20 V UC
● for signal "1"		79 to 132 V AC; 80 to 132 V DC
● Frequency range		47 ... 63 Hz
Input current
● for signal "0", max. (permissible quiescent current)		1 mA
● for signal "1", typ.		2 mA; 2 to 5 mA
Input delay (for rated value of input voltage)
for standard inputs
— at "0" to "1", min.		5 ms
— at "0" to "1", max.		25 ms; 10 / 20 ms
Cable length
● Cable length, shielded, max.		1 000 m
● Cable length unshielded, max.		600 m
Encoder
Connectable encoders
● 2-wire sensor		Yes
— Permissible quiescent current (2-wire sensor), max.		1 mA
Galvanic isolation
Galvanic isolation digital inputs
● between the channels, in groups of		8
● between the channels and the backplane bus		Yes
Isolation
Isolation checked with		1500 V AC
Dimensions
Width		25 mm
Height		290 mm
Depth		210 mm
Weights
Weight, approx.		600 g
last modified:		08.09.2014