6ES7321-1FH00-0AA0

Manufacturer: Siemens

6ES7321-1FH00-0AA0 Siemens S7-300 CPU Module

This Siemens 6ES7321-1FH00-0AA0 is a central processing module in the SIMATIC S7-300 PLC family that executes user programs, manages process data, and handles module-level communications. It provides the core control functions for a modular S7-300 rack, interfacing with I/O, communication modules and optional memory or communication expansion. Typical use is mid-range machine or process control where an S7-300 CPU is required; exact firmware, performance and communication options are confirmed at time of quote or repair.