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Semi Automatic Digital Input Module / High Speed PLC Programmable Logic Controller

Semi Automatic Digital Input Module / High Speed PLC Programmable Logic Controller

Brand Name:Siemens
Certification:CE
Model Number:SM 421 Digital Input Module
Minimum Order Quantity:1 PCS
Delivery Time:2-5 days
Payment Terms:T/T, , Western Union,Paypal,, MoneyGram,, L/C
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Address: Liushi Town,Yueqing City,Zhejiang Province,China
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Product Details

Siemens S7-400 SM421 PLC CPU Module SM421 Series Digital Input Module

Product Description

Semi-Automatic SIEMENS of programmable controller, with the characteristics of small size, high speed, standardized. PLC ladder diagram, Boolean mnemonics, function chart, functional modules and statements describe programming language, it don't need a lot of activity components and the attachment electronic components, programming is simple, has high operability, can automatic diagnosis, maintenance easy.


Technical specifications

Article 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 mA20 mA200 mA80 mA150 mA
Power loss
Power loss, typ.5 W6 W6.5 W12 W8 W; 3.5 W (24 V DC); 6.5 W (48 V DC); 8.0 W (60 V DC)
Digital inputs
Number of digital inputs1632321616
Number of simultaneously controllable inputs
  • ● Number of simultaneously controllable inputs

1632321616
Input voltage
  • ● Type of input voltage

DCDCAC/DCAC/DCAC/DC
  • ● Rated value (DC)

24 V24 V
  • ● Rated value (UC)

120 V; 47 ... 63 Hz230 V; 120/230 V UC (47 ... 63 Hz)24 V; 24 V UC to 60 V UC (47 ... 63 Hz)
  • ● for signal "0"

-30 V DC to +5 V DC-30 V DC to +5 V DC0 to 20 V UC0 to 40 V AC/ -40 to +40 V DC-6 to +6 V DC/ 0 to 5 V AC
  • ● for signal "1"

11 V DC to 30 V DC13 V DC to 30 V DC79 to 132 V AC; 80 to 132 V DC74 to 264 V AC; 80 to 264 V DC, -80 to -264 V15 to 72 V DC; -15 to -72 V DC; 15 to 60 V AC
Input current
  • ● for signal "0", max. (permissible quiescent current)

1.3 mA1 mA6 mA; AC: 6 mA; DC: 2 mA
  • ● for signal "1", typ.

6 mA; 6 to 8 mA7 mA2 mA; 2 to 5 mA10 mA; at 120 V: 10 mA AC, 1.8 mA DC; at 230 V: 14 mA AC, 2 mA DC4 mA; 4 to 10 mA

Main Types of S7-400 Module:

6ES7 421-1BL01-0AA0

6ES7 421-1EL00-0AA0

6ES7 421-1FH20-0AA0

6ES7 421-7DH00-0AB0

6ES7 412-1BL01-0AA0

6ES7 422-1BH11-0AA0

6ES7 422-1BL00-0AA0

6ES7 422-7BL00-0AB0

6ES7 422-1FH00-0AA0

6ES7 422-1HH00-0AA0

6ES7 431-0HH00-0AB0

6ES7 431-1KF00-0AB0

6ES7 431-1KF10-0AB0

6ES7 431-1KF20-0AB0

6ES7 431-7QH00-0AB0

6ES7 431-7KF00-0AB0

6ES7 431-7KF10-0AB0

6ES7 432-1HF00-0AB0

6ES7 450-1AP00-0AE0

6ES7 451-3AL00-0AE0

6ES7 452-1AH00-0AE0

6ES7 453-3AH00-0AE0

6ES7 455-0VS00-0AE0

6ES7 455-1VS00-0AE0

6ES7 440-1CS00-0YE0

6ES7 441-1AA04-0AE0

6ES7 441-2AA04-0AE0

6ES7 492-1AL00-0AA0

6ES7 400-1TA01-0AA0

6ES7 400-1JA01-0AA0



lNew and original Quality:

All parts are original from international famous manufacturers.

lCompetitive Price:

All quotation base on prompt market price, large order quantity and rapid response.

lFast & Economical Delivery:

All shipment can be arrange delivery on or before confirmed delivery date, customer can arrange pick up by your own forwarder,

also we can arrangedelivery foryouby air cargo, DHL, and some economical delivery terms by freight prepaid.

China Semi Automatic Digital Input Module / High Speed PLC Programmable Logic Controller supplier

Semi Automatic Digital Input Module / High Speed PLC Programmable Logic Controller

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