Spot Siemens PLC 6ES7321-1BP00-0AA0 SM321 64-Channel 24VDC Digital Input Expansion Module, In Stock
We have spot inventory of genuine Siemens 6ES7321-1BP00-0AA0, a high‑density SM321 digital input module for SIMATIC S7‑300 PLC systems. It provides 64 galvanically isolated digital inputs for 24VDC, supporting sink/source connection, ideal for large‑scale sensor and switch signal collection. Original German manufacture, factory sealed, 12‑month official warranty, in stock, competitive price, fast delivery within 1–3 days.