SIMATIC S7-400, digital input SM 421
SIMATIC S7-400, digital input SM 421
The Siemens 6ES7421-1BL01-0AA0 is a digital input module (SM 421) belonging to the SIMATIC S7-400 programmable logic controller (PLC) family. It is designed to interface industrial automation systems with field sensors by providing 32 isolated digital inputs that operate at 24 V DC
Other items in PLCs & Controllers.
MITSUBISHI
PLC Q Series iQ CPU
PLC Q Series iQ CPU module;4096 EA;1.9 ns/log. Com.;60k steps;Ethernet;USB;SD
PHOENIX CONTACT
Primary-switched TRIO POWER power supply for DIN rail mounting
TRIO POWER is particularly suited to standard machine production, thanks to 1- and 3-phase versions up to 960 W
Send us your specifications and we'll respond within 24 hours.