The Siemens 6ES7212-1BB23-0XB0 is a CPU 222 compact unit from the SIMATIC S7-200 series. Its core function is to serve as a compact, micro-programmable logic controller (PLC) for small to medium-scale automation tasks. It provides a fixed set of I/O points and offers expandability, making it suitable for applications that require a flexible balance of performance and cost.
Item No :
6ES7212-1BB23-0XB0Order(MOQ) :
1Payment :
EXWProduct Origin :
ChinaShipping Port :
Wuhan, Hubei, ChinaLead Time :
3-5 daysWeight :
0.287kgOverview
Siemens 6ES7212-1BB23-0XB0 SIMATIC S7-200 Compact unit
AC/DC/Rly, 8 input/6 output
| Origin | China |
| Net Weight (kg) | 0.287kg |
| Packaging Dimension(CM) |
10,50 x 10,60 x 7,40 |
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Main Parameters
| Item | Specifications / Features |
|---|---|
| Product Type | CPU 222 Compact Unit (AC/DC/Relay) |
| Power Supply | 120/230 V AC (85 to 264 V AC, 47 to 63 Hz) |
| Integrated Digital I/O | 8 Digital Inputs (24V DC) / 6 Digital Outputs (Relay) |
| Program/Data Memory | 4 KB program memory / 2 KB data memory |
| System Platform | SIMATIC S7-200 series; expandable with up to 2 expansion modules |
| Communication Interface | 1 x RS485 (PPI, MPI, Freeport); PROFIBUS DP expandable |
| Processing Time (per 1K binary) | 0.22 ms |
| High-Speed Functions | 4 x 30 kHz high-speed counters; 2 x 20 kHz high-speed pulse outputs |
| Programming Software | STEP 7-Micro/WIN |
| Data Retention | Integral EEPROM for program backup; high-performance capacitor (approx. 50 hours) or optional battery |
| Protection | Program and I/O configuration can be protected with a password |
| Dimensions (W x H x D) | 10.6 x 10.5 x 7.4 cm |
| Weight | 0.287 kg |
Relay Outputs for Flexible Load Switching: The module's standout feature is its use of relay outputs, as indicated by the "-1BB23" suffix. Unlike DC transistor outputs, these relay outputs can switch both AC and DC loads, providing greater flexibility for controlling various types of actuators and circuits.
Expandable Design for Greater Flexibility: The CPU 222 supports up to two expansion modules, allowing you to increase the number of I/O points or add specialized functions such as analog inputs, communication interfaces, or temperature measurement.
Balanced Performance for Basic Applications: The CPU 222 provides a solid balance of capability and cost for straightforward control tasks. It offers 4 KB of program memory and 2 KB of data memory, making it suitable for controlling small to medium-sized machines or processes with logic and timing functions.
Multiple Communication Protocols: The single built-in RS485 interface supports PPI, MPI, and Freeport communication protocols, allowing connection with HMIs, other S7-200 CPUs, and non-Siemens devices via serial communication. It is also expandable via PROFIBUS DP.
The CPU 222 is widely used as a micro-controller for small to medium-scale automation applications, including:
Small Machine Control: Controlling packaging machines, labeling equipment, and simple conveyor sections.
Building Automation: Managing small-scale building control tasks like lighting control or small fan systems.
Relay-Based Switching: Applications requiring the switching of AC loads, which is well-suited to the relay output type.
This product is part of the SIMATIC S7-200 series, which is discontinued by Siemens and no longer in active production. It is classified as a spare part, and availability is primarily through surplus or third-party suppliers. For new system designs, the recommended migration path is to the S7-200 SMART series.
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