SM 421 digital input module . Технические данные . Подробное описание, цены на оборудование Siemens. Большой выбор, низкие цены на SM 421 digital input module

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SM 421 digital input module

Order number	6ES7421-7BH01-0AB0	6ES7421-1BL01-0AA0	6ES7421-1EL00-0AA0	6ES7421-1FH20-0AA0	6ES7421-7DH00-0AB0
	SM421, 16DI, DC24V, 0.05MS INPUT DELAY	SM421, 32DI, DC24V	SM421, 32DI, DC/AC 120V	SIMATIC S7-400, DIG.INPUT MOD.	SIMATIC S7-400, SM 421
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	20 mA	200 mA	80 mA	150 mA
Power loss
Power loss, typ.	5 W	6 W	6.5 W	12 W	8 W; 3.5 W (24 V DC); 6.5 W (48 V DC); 8.0 W (60 V DC)
Digital inputs
Number of digital inputs	16	32	32	16	16
Number of simultaneously controllable inputs
? Number of simultaneously controllable inputs	16	32	32	16	16
Input voltage
? Type of input voltage	DC	DC	AC/DC	AC/DC	AC/DC
? Rated value (DC)	24 V	24 V
? Rated value (UC)			120 V	230 V; 120/230 V UC	24 V; 24 to 60 V UC
? for signal "0"	-30V DC to +5V DC	-30V DC to +5V DC	0 to 20 V UC	0 to 40 V AC/ -40 to +40 V DC	-6 to +6 V DC/ 0 to 5 V AC
? for signal "1"	11V DC to 30V DC	13 V DC to 30 V DC	79 to 132 V AC; 80 to 132 V DC	74 to 264 V AC; 80 to 264 V DC, -80 to -264 V	15 to 72 V DC; -15 to -72 V DC; 15 to 60 V AC
? Frequency range			47 ... 63 Hz	47 ... 63 Hz	47 to 63 Hz AC / DC
Input current
? for signal "0", max. (permissible quiescent current)		1.3 mA	1 mA	6 mA; AC: 6 mA; DC: 2 mA
? for signal "1", typ.	6 mA; 6 to 8 mA	7 mA	2 mA; 2 to 5 mA	10 mA; at 120 V: 10 mA AC, 1.8 mA DC; at 230 V: 14 mA AC, 2 mA DC	4 mA; 4 to 10 mA
Input delay (for rated value of input voltage)
for standard inputs
— parameterizable	Yes				Yes
— Rated value					0.5 ms; 0.5 / 3 / 10 / 20 ms
Cable length
? shielded, max.	1 000 m; 1000 m: 3 ms, 70 m: 0.5 ms, 30 m: 0.1 ms, 30 m: 0.05 ms	1 000 m	1 000 m	1 000 m	1 000 m
? unshielded, max.	600 m; 600 m: 3 ms; 50 m: 0,5 ms; 20 m: 0,1 ms; 20 m: 0,05 ms	600 m	600 m	600 m	600 m; 600 m: 3, 10, 20 ms; 100 m: 0,5 ms
Encoder
Connectable encoders
? 2-wire sensor	Yes	Yes	Yes	Yes	Yes
— permissible quiescent current (2-wire sensor), max.	3 mA	1.5 mA	1 mA	5 mA; AC: 5 mA	0.5 mA; 0.5 to 2 mA
Interrupts/diagnostics/status information
Alarms
? Diagnostic alarm	Yes; Parameterizable				Yes; Parameterizable
? Hardware interrupt	Yes; Parameterizable				Yes; Parameterizable
Diagnostic messages
? Diagnostics	Yes; internal/ external fault				Yes; internal/ external fault
Potential separation
Potential separation digital inputs
? between the channels, in groups of	8	32	8	4	1
? between the channels and backplane bus	Yes	Yes	Yes	Yes	Yes
Isolation
Isolation tested with	500 V DC	500 V DC	1500 V AC	1500 V AC	1500 V AC
Dimensions
Width	25 mm	25 mm	25 mm	25 mm	25 mm
Height	290 mm	290 mm	290 mm	290 mm	290 mm
Depth	210 mm	210 mm	210 mm	210 mm	210 mm
Weights
Weight, approx.	600 g	500 g	600 g	650 g	600 g

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