Siemens 6ES7 321-1BL00-0AA0 Simatic Digital Output Module

The Siemens 6ES7 321‑1BL00‑0AA0 is a SIMATIC S7‑300 digital input module designed for reliable acquisition of 24 VDC field signals in industrial automation systems, featuring electrically isolated inputs and DIN rail mounting for integration into control cabinets. Manufacturer: Siemens Manufacturer country: Germany Product type: Digital input module Automation system: SIMATIC S7‑300 Module type: SM 321 Model number: 6ES7 321‑1BL00‑0AA0 Function: Digital input module Number of inputs: 32 digital inputs Input voltage: 24 VDC Input signal type: DC, positive logic Input isolation: Electrically isolated Connector type: 1 x 40‑pole front connector Input current per channel: Approx. 7 mA Signal delay: Typical 3 ms Diagnostic functions: Group error indication Potential groups: Multiple, common reference Backplane bus current consumption: Approx. 120 mA at 5 VDC Power loss: Approx. 2.5 W Mounting type: DIN rail mounting Enclosure rating: IP20 Operating temperature: 0 to +60 °C Storage temperature: −40 to +70 °C Dimensions: Standard S7‑300 module width Certifications: CE, UL, cUL Application use: Industrial automation, machine control, process control, factory automation Please review pictures carefully and let us know if you have any questions!