Siemens PLCs SIMATIC S7-400 digital input SM 421 6ES7421-1BL01-0AA0

Supple voltage

Load voltage L+

• Ratum valorem (DC)

24 V

• ● range licitum, inferiorem modum (DC)

20.4 V

• ● range licitum, evolvimus (DC)

28.8 V

Input current

from supply intentione L+, max.

120 mA

a backplane bus 5 V DC, max.

130 mA

20 mA

200 mA

80 mA

150 mA

Encoder copia

Numerus outputs

2

Typus de output voltage

L+ (-2.5 V)

Brevis circuitus praesidio

Ita; Electronic

additional (redundans) feed

Ita; possibilis '

Output current

• Ratum valorem

120 mA

• licet range, inferior terminus

0 mA

• licitum range, evolvimus

150 mA

Virtus damnum

Virtutis amissio, 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

Numerus inputs digitales

16

32

32

16

16

Numerus simul controllable inputs

• Number simul controllable inputs

16

32

32

16

16

Input voltage

• Type of initus voltage

DC

DC

AC/DC

AC/DC

AC/DC

• Ratum valorem (DC)

24 V

24 V

• Ratum valorem (UC)

120 V; 47 ... 63 Hz

230 V; 120/230 V UC (47... 63 Hz)

24 v; 24 V UC ad 60 V UC (47... 63 Hz)

• pro signo '0'

-30 V DC ad +5 V DC

-30 V DC ad +5 V DC

0 ad 20 V UC

0 ad 40 V AC/-40 ad +40 V DC

-6 ad +6 V DC/0 ad V V AC

• pro signo '1'

11 V DC ad 30 V DC

13 V DC ad 30 V DC

79 ad V AC 132; 80 ad 132 V DC

74 ad 264 V AC; 80 ad 264 V DC, -80 ad -264 V .

15 dc v ad 72; -15 v -72 ad dc; 15 ad 60 V AC

Input current

• pro signo '0', min.

6 mA; < 6 mA

0 mA

0 mA; AC: 0 mA; DC: 0 mA

• pro signo '0', max. (Licet quiescit current)

1.3 mA

1 mA

6 mA; AC: 6 mA; DC: 2 mA

• pro signo '1', typ.

6 mA; 6 ad 8 mA

7 mA

2 mA; 2 to 5 mA

10 mA; ad 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 mora (pro aestimavit valorem input voltage)

quia vexillum initibus

• - parameterizable

Ita

Ita

• - Ratum valorem

0.5 ms; 0.5 / 3 / 10 / 20 ms

• — ad '0' ad '1', min.

3 µs; 0.05 / 0.1 / 0.5 / 3 ms

1.2 ms

5 ms

• — ad '0' ad '1', max.

4.8 ms

25 ms; 10 / 20 ms

20 ms; AC: 20 ms; DC: 15 ms

• — ad '1' ad '0', min.

1.2 ms

5 ms

• — ad '1' ad '0', max.

4.8 ms

25 µs

30 ms; AC: 30 ms; DC: 25 ms

Encoder nexu

• ● Limitatio currentis certa pro filum-confractionis magna vigilantia, min.

10 kΩ

18 kΩ; 18 kohms: Ratum intentione 24 V (15 ad 35 V); 39 kohms: Ratum intentione 48 V (30 ad 60 V)

• ● Limitatio currentis fixae pro magna-fili-confractione magna, max.

18 kΩ

56 kΩ; Ratum intentione 60 V (50 ad 72 V).

Cable longitudo

• tuta max.

1 000 m; 1 000 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

• obtentu max.

600 m; 600 m: 3 ms; 50 m: 0,5 ms; 20 m: 0,1 ms; 20 m: 0,05 ms

DC m

DC m

DC m

600 m; 600 m: 3, 10, 20 ms; 100 m: 0,5 ms

Encoder

Encoders Connectable

• 2-filum sensorem

Ita

Ita

Ita

Ita

Ita

• — licitum quiescit vena (2-filum sensorem), max.

3 mA

1.5 mA

1 mA

5 mA; AC: 5 mA

0.5 mA; 0.5 ad 2 mA

Obloquitur / diagnostica / status informationes

Functio diagnostica

Ita; Parameterizable

No

No

Ita; Parameterizable

Alanus

• Diagnostic terror

Ita; Parameterizable

Ita; Parameterizable

• Hardware interpellare

Ita; Parameterizable

Ita; Parameterizable