SIPLUS S7-400 SM 421, DI 32x24 V DC -25 ... +60 °C with conformal coating

SIPLUS S7-400 SM 421 32DI based on 6ES7421-1BL01-0AA0 with conformal coating, -25…+60 °C, Just like the CPU, the digital input modules are also protected against extreme ambient conditions. Due to the 100% conformal coating they can withstand biologically, chemically and physically active substances, condensation, frost, and corrosive gases. Regardless of the conditions, your digital signals are reliably recorded.