The Siemens 6ES7 216-2BD23-0XB8 (also listed as 6ES7216-2BD23-0XB8) is the CPU 226 AC/DC/Relay from the SIMATIC S7-200 CN range, the largest compact CPU of the S7-200 family. It combines the processor, AC power supply, 24 digital inputs and 16 relay outputs in one unit and accepts up to seven expansion modules.
Specifications
| Order number | 6ES7216-2BD23-0XB8 |
|---|---|
| Product | SIMATIC S7-200 CN, CPU 226 AC/DC/Relay |
| Power supply | 85 to 264 V AC, 47 to 63 Hz |
| Digital inputs | 24 x 24 V DC |
| Digital outputs | 16 relay outputs, 2 A per point (5 to 30 V DC or 5 to 250 V AC) |
| Program memory | 16 / 24 KB |
| Data memory | 10 KB |
| Communication | 2 x RS-485 (PPI or freeport) |
| High-speed counters | 6, up to 30 kHz |
| Expansion | up to 7 modules |
| Sensor supply | 24 V DC, 400 mA |
| Real-time clock | built in |
| Dimensions (W x H x D) | 196 x 80 x 62 mm |
Compatibility and expansion
The CPU 226 AC/DC/Relay programs with SIMATIC STEP 7-Micro/WIN (V4.0 SP9 or later for the CN variant) over the built-in RS-485 port, and it accepts the full range of S7-200 EM expansion modules: digital input/output modules (EM 221, EM 222, EM 223), analog modules (EM 231, EM 232, EM 235), the EM 241 modem module and thermocouple/RTD modules, up to seven modules per CPU. Because the order number, firmware behaviour and terminal layout match the original module exactly, a replacement 6ES7 216-2BD23-0XB8 drops into an existing rack without changing the program, the wiring or the expansion modules already installed.
Typical applications
Factories across the Arab world still run large numbers of S7-200 CN systems on packaging lines, bottling and filling machines, CO2 laser marking stations, conveyor and sorting systems, and general production-line control panels built between the early 2000s and the mid-2010s. The CPU 226 AC/DC/Relay is the version most often specified where the panel already runs on AC mains and the outputs drive contactors, solenoids or indicator lamps directly through relays rather than through a separate 24 V DC output card.
Why buy this part from RendatSP
RendatSP sources original Siemens S7-200 CN spare parts, not compatible clones, and every unit is tested before it ships. We quote the 6ES7 216-2BD23-0XB8 within hours of your request, and 500+ industrial clients already rely on us for automation parts sourced directly in China. We ship worldwide with local agents already in place in Saudi Arabia, Iraq, UAE, Egypt, Oman, Libya, Morocco, Mauritania, Yemen, Algeria and Jordan, so a replacement CPU reaches your factory quickly with local support in Arabic.
Lifecycle
Siemens has discontinued the S7-200 family and supplies the CPU 226 as a spare part only. Replacing a failed CPU with the same order number keeps the existing program, expansion modules and wiring. New designs move to S7-200 SMART or S7-1200.
How to order
Send us the part number 6ES7216-2BD23-0XB8, the quantity and your country by WhatsApp or the quotation form. We confirm stock, condition and delivery time within hours and ship by air or sea from China, with local agents in 11 Arab countries.
Frequently Asked Questions
Is the Siemens 6ES7 216-2BD23-0XB8 still available to buy?
Siemens discontinued the S7-200 family, so the CPU 226 AC/DC/Relay is only available as a spare part today. RendatSP keeps stock and sources on request; we confirm availability and lead time within hours of your inquiry.
What is the difference between S7-200 and S7-200 CN?
S7-200 CN is the China-market version of the S7-200 family, functionally equivalent to the international S7-200 but sold and firmware-labelled for the Chinese market. The order number, wiring, module compatibility and STEP 7-Micro/WIN programming are the same, so a 6ES7 216-2BD23-0XB8 CN unit is a direct replacement for a standard CPU 226 AC/DC/Relay.
Can I use this CPU to replace a failed one without reprogramming?
Yes. Because the order number and hardware are identical, you can transfer the existing program to the new CPU and keep the same expansion modules and field wiring; no changes to the panel are needed.
How fast can RendatSP ship to my country?
We ship worldwide by air or sea from China and already have local agents in Saudi Arabia, Iraq, UAE, Egypt, Oman, Libya, Morocco, Mauritania, Yemen, Algeria and Jordan, which shortens delivery and customs handling. Send us your country and quantity and we will quote the exact lead time within hours.






