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Siemens 6ES7216-2AD23-0XB8 — PLCs (Programmable Logic Controllers)

Siemens 6ES7216-2AD23-0XB8 S7-200 CPU 226, 24 DI / 16 DO DC

MPN6ES7216-2AD23-0XB8

Siemens S7-200 CN CPU 226, compact PLC, DC supply, 24 digital inputs DC, 16 digital outputs transistor, 16/24 KB program / 10 KB data memory, 2 PPI interfaces, spare part.

$493.78 – $509.00Ref. price · indicative, final on quote
Siemens 6ES7216-2AD23-0XB8 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

6ES7216-2AD23-0XB8 — I/O
ParameterValue
Digital inputs24
Digital outputs16; Transistor
6ES7216-2AD23-0XB8 — Electrical
ParameterValue
Power loss (typ.)11 W
6ES7216-2AD23-0XB8 — Mechanical
ParameterValue
Width196 mm
Height80 mm
Depth62 mm
6ES7216-2AD23-0XB8 — Other specifications
ParameterValue
Number of relay outputs0

Product details

Spare-part CPU for S7-200 lines

The 6ES7216-2AD23-0XB8 is the Siemens S7-200 CN CPU 226, explicitly marked as a spare part for existing installations. It runs on a 24 VDC supply and provides 24 digital inputs and 16 transistor-sourced digital outputs, with no relay outputs on board. Program memory is 16 or 24 KB, with 10 KB of data memory, and two PPI interfaces that can also be user-programmed for other protocols. The unit draws a typical power loss of 11 W.

The CPU measures 196 mm wide, 80 mm tall, and 62 mm deep — it occupies the same footprint as the standard S7-200 CPU 226 and mounts directly onto the DIN rail or panel plate in the existing enclosure.

Frequently asked questions

Is 6ES7216-2AD23-0XB8 compatible with my existing Siemens S7-200 system?

Yes, it is a direct spare part for the S7-200 CN CPU 226 and is compatible with the S7-200 family backplane and I/O expansion modules. However, it carries CE approval only and is a regional variant — verify the firmware revision against your application before committing.

What is the difference between 6ES7216-2AD23-0XB8 and the standard 6ES7216-2AD23-0XB0?

The 6ES7216-2AD23-0XB8 is the S7-200 CN (China) regional variant, while the 6ES7216-2AD23-0XB0 is the global version. The CN variant has CE approval only and may carry different firmware or regional labeling. Electrically and mechanically they are identical, but the application program should be re-validated after swap.

What are the exact power supply and output specifications for 6ES7216-2AD23-0XB8?

The CPU requires a 24 VDC power supply. It has 24 digital inputs (24 VDC) and 16 digital outputs of the transistor type — no relay outputs. Typical power loss is 11 W.

MPN
6ES7216-2AD23-0XB8