| Product Type | CPU |
| Product Model | 6ES7212-1AF40-0XB0 |
| Power Loss | Power Loss, Typical value 9 W |
| Product dimensions | 90 MM × 100 MM × 75 MM |
| Load voltage L+ | Rated value (DC) 24 V Allowable range, lower limit (DC) 20.4 V Allowable range, upper limit (DC) 28.8 V |
| Weight | 370 g |
Integrated 8DI + 4 Transistor Outputs – Compact Design:Built-in 8 digital inputs and 4 transistor outputs, with a small footprint, ideal for space-constrained small machines and control cabinets.
Transistor Outputs – High-Speed & Frequent Switching Support:24V DC sourcing/sinking transistor outputs offer fast response, suitable for high-frequency switching and high-speed pulse output (PTO/PWM), ideal for solenoids, relays, or stepper motor control.
Cost-Effective – Low Entry Price:As one of the most basic CPUs in the S7-200 SMART family, it offers a low-cost entry point for small automation projects with excellent cost-performance ratio.
Expandable with Up to 2 Modules – Basic Scalability:Supports expansion with up to 2 signal modules, enabling a maximum of 44 I/O points, meeting the needs of small-scale system growth.
Integrated RS485 Port – Multi-Protocol Communication:Features one RS485 interface supporting PPI (for programming and HMI), MODBUS RTU, and Freeport, enabling connection to HMIs, drives, and instruments.
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