SIEMENS 6ES7321-1BL00-0AA0 SIMATIC S7 Digital Input SM321

Siemens Input Relay Module, 32 Digital Inputs, 6.5W Power Loss - SIMATIC S7-300 Series - 6ES7321-1BL00-0AA0

Ensure your PLC doesn't get mixed messages from your sensor with this Siemens input relay module. It packs 32 digital input channels into a single unit, helping to scale up the connectivity of your control device. A low input delay between 1.2 and 4.8ms means it can keep up with rapid signal transmission. Thanks to the 40-pin connection, it plugs securely into your PLC without the hassle of extra wiring. Galvanic isolation helps to prevent electrical faults, cutting the risk of damage to your input channels. Use an input module like this one to help manage lighting systems and packaging plant machinery.