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Brand:

Certified

6ES7421-1BL01-0AA0 Siemens Digital Input SM 421 Potential Isolation 32 DE;24V DC

model:

Siemens 6ES7421-1BL01-0AA0 SM 421

SKU:

837733296508_6ES7421-1BL01-0AA0

Product Type :

AC/DC

MOQ:

1 Piece

The Siemens 6ES7421-1BL01-0AA0 (SM 421) is a digital input module for the SIMATIC S7-400 PLC family. It provides 32 digital inputs with 24V DC nominal voltage, featuring a typical input delay of 1.2 to 4.8 ms for standard applications . The inputs are isolated in groups of 32, with a backplane bus current consumption of 16 mA . This module supports 2-wire proximity switches (BERO) and includes front connector wiring (screw-type terminals sold separately) . Suitable for use in S7-400 racks, it has a discontinued lifecycle status (PM410) and is intended as a spare part for legacy systems. It is compatible with various S7-400 CPUs and was widely used in process and manufacturing industries .

原价为:$596.30。当前价格为:$542.90。

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Order number: 6ES7421-1BL01-0AA0
SIMATIC S7-400, digital input SM 421, potential isolation 32 DE;24V DC





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