Siemens SIPLUS S7-300 SM321 Digital Input Module

The Siemens SIPLUS S7-300 SM321 Digital Input Module, part number 6AG1321-1FF10-7AA0, is built upon the 6ES7321-1FF10-0AA0 base. This module is designed for demanding environments, featuring conformal coating and an operating temperature range of -25°C to +70°C. It provides 8 optically isolated digital inputs for 120V or 230V AC signals and includes a single 40-pole connector with single rooting per channel.

This module is ideal for industrial automation applications requiring robust input modules that can withstand harsh conditions. It is commonly used in manufacturing, process control, and machine automation where reliable signal acquisition is critical. The conformal coating offers protection against moisture, dust, and corrosive elements, making it suitable for environments such as chemical plants, food and beverage processing, and heavy industry.

Stanlo Automation, a veteran-owned business, offers this Siemens SIPLUS digital input module with a commitment to quality and reliability. We understand the critical nature of industrial automation components and ensure that our surplus parts meet stringent standards. Sourcing from Stanlo Automation guarantees you receive dependable equipment, backed by expert support and a dedication to customer satisfaction, helping you maintain operational efficiency and minimize downtime.