SIPLUS S7-400 SM 421 digital input modules . Технические данные . Подробное описание, цены на оборудование Siemens. Большой выбор, низкие цены на SIPLUS S7-400 SM 421 digital input modules

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SIPLUS S7-400 SM 421 digital input modules

Order number		6AG1421-1BL01-2AA0
		SIPLUS S7-400 SM421 32DE
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"		-30V DC to +5V 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
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
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
Ambient conditions
Ambient temperature during operation
? min.		-25 °C; = Tmin
? max.		60 °C; = Tmax
Extended ambient conditions
? relative to ambient temperature-atmospheric pressure-installation altitude		Tmin ... Tmax at 1080 hPa ... 795 hPa (-1000 m ... +2000 m) // Tmin ... (Tmax - 10K) at 795 hPa ... 658 hPa (+2000 m ... +3500 m) // Tmin ... (Tmax - 20K) at 658 hPa ... 540 hPa (+3500 m ... +5000 m)
Relative humidity
— With condensation, tested in accordance with IEC 60068-2-38, max.		100 %; RH incl. condensation / frost (no commissioning in bedewed state), horizontal installation
Resistance
— against biologically active substances / conformity with EN 60721-3-3		Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna). The supplied connector covers must remain on the unused interfaces during operation in corrosive atmospheres!
— against chemically active substances / conformity with EN 60721-3-3		Yes; Class 3C4 (RH < 75%) incl. salt spray according to EN 60068-2-52 (degree of severity 3). The supplied connector covers must remain on the unused interfaces during operation!
— against mechanically active substances / conformity with EN 60721-3-3		Yes; Class 3S4 incl. sand, dust. The supplied connector covers must remain on the unused interfaces during operation in corrosive atmospheres!
Dimensions
Width		25 mm
Height		290 mm
Depth		210 mm
Weights
Weight, approx.		500 g

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