The Siemens SIMATIC S7-200 CPU 226 with part number 6ES7216-2BD23-0XB8 is a versatile and powerful micro programmable logic controller engineered for small-to-medium-scale automation tasks. This AC-powered unit combines 24 digital inputs and 16 relay outputs, offering a balanced I/O configuration for machinery control, process automation, and factory floor applications. Its dual RS-485 communication ports enable seamless integration with operator panels, drives, and other controllers via PPI or user-programmable protocols. With a blazing-fast instruction execution time of 0.22 microseconds, the CPU 226 ensures deterministic response in time-critical loops. The built-in real-time clock, high-speed counters (up to 30 kHz on certain channels), and two high-speed pulse outputs (up to 20 kHz) make it an excellent choice for positioning, frequency measurement, and simple motion control. The unit is programmed using the STEP 7-Micro/WIN software environment, which simplifies ladder logic, FBD, and STL development. Housed in a rugged, compact enclosure, this PLC operates reliably across extended temperature ranges and is supported by a wide ecosystem of expansion modules, allowing total I/O expansion up to 256 points. Reliability, performance, and connectivity define the CPU 226 as a cornerstone of the S7-200 family.
| Attribute |
Specification |
| Product Type |
SIMATIC S7-200 CPU 226 |
| Part Number |
6ES7216-2BD23-0XB8 |
| Power Supply Voltage |
100 to 240 VAC (AC Models) |
| Input Type |
24 Digital Inputs (24 VDC, sink/source) |
| Output Type |
16 Digital Relay Outputs (2 A per channel, 30 VDC / 240 VAC max) |
| Program Memory |
16 KB (expandable via memory cartridge) |
| Data Memory |
10 KB |
| Execution Speed |
0.22 µs per boolean instruction |
| Communication Ports |
2 x RS-485 (PPI, Freeport, USS, Modbus RTU capable) |
| High-Speed Counters |
6 counters (4 single-phase at 30 kHz, 2 A/B phase at 20 kHz) |
| High-Speed Pulse Outputs |
2 outputs (20 kHz each, PTO/PWM) |
| Real-Time Clock |
Integrated with battery backup |
| Maximum I/O Expansion |
Up to 256 I/O points (7 expansion modules) |
| Programming Software |
STEP 7-Micro/WIN (V4.0 SP9 or later) |
| Operating Temperature |
0 °C to 55 °C (horizontal), 0 °C to 45 °C (vertical) |
| Storage Temperature |
-40 °C to 70 °C |
| Protection Class |
IP20 (NEMA 1) |
| Dimensions (W x H x D) |
196 mm x 80 mm x 62 mm |
| Weight |
Approx. 550 g |
What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22