The Siemens SIMATIC S7-200 CPU 212 Compact Unit, model **6ES7212-1CA00-0XB0**, is a reliable entry-level programmable logic controller (PLC) tailored for small-scale automation and control systems. Designed with a compact footprint, this unit integrates a 24 V DC power supply, a microprocessor, and basic I/O points, making it ideal for standalone machines, conveyor lines, or simple process control. The CPU 212 supports a maximum of 256 bytes of user program memory and 256 bytes of data memory, with a scan time of approximately 0.8 ms per 1K instructions. It features a built-in RS-485 communication port for PPI (Point-to-Point Interface) and MPI (Multi-Point Interface) protocols, enabling seamless connectivity with HMI panels, drives, or other S7-200 CPUs. The unit can be expanded with up to 7 digital or analog expansion modules via the side bus connector, offering scalability for evolving applications. Below is the detailed technical specification table for this model.
| Parameter |
Specification |
| Model Number |
6ES7212-1CA00-0XB0 |
| Product Type |
SIMATIC S7-200 CPU 212 Compact Unit |
| Power Supply Voltage |
24 V DC (20.4 to 28.8 V DC) |
| Digital Inputs |
8, 24 V DC (sink/source, type 1) |
| Digital Outputs |
6, relay (2 A per output, resistive load) or transistor (0.75 A per output, DC load) |
| Input Voltage Range |
24 V DC, 15 to 30 V DC (signal level) |
| Output Voltage Range |
24 V DC (transistor) or 24 V AC/DC (relay) |
| User Program Memory |
256 bytes (EEPROM) |
| Data Memory |
256 bytes (RAM, battery-backed) |
| Scan Time |
0.8 ms per 1K instructions (typical) |
| Communication Ports |
1 x RS-485 (PPI/MPI, up to 187.5 kbps) |
| Maximum Network Nodes |
126 (with repeaters) |
| Expansion Modules Supported |
Up to 7 (digital, analog, or special function) |
| Timers/Counters |
256 timers (T0-T255), 256 counters (C0-C255) |
| Bit Memory (M) |
32 bytes |
| Special Memory (SM) |
1024 bytes |
| Real-Time Clock |
Optional (via battery module) |
| Programming Software |
STEP 7-Micro/WIN V4.0 or later |
| Operating Temperature |
0°C to 55°C (32°F to 131°F) |
| Storage Temperature |
-40°C to 70°C (-40°F to 158°F) |
| Relative Humidity |
5% to 95% (non-condensing) |
| Protection Class |
IP20 (NEMA 1) |
| Dimensions (W x H x D) |
80 mm x 125 mm x 62 mm (3.15 in x 4.92 in x 2.44 in) |
| Weight |
Approx. 0.3 kg (0.66 lb) |
| Mounting Type |
DIN rail (35 mm) or panel mounting |
| Wiring Method |
Screw-type terminals (0.5 to 1.5 mm² wire) |
| Certifications |
CE, UL, cUL, FM, C-Tick |
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