
Product Description
Product Details
| Parameter | Details |
|---|---|
| Manufacturer | Siemens |
| Model/Part Number | 6ES7216-2BD23-0XB8 |
| Description | SIMATIC S7-200 CN CPU 226 Compact Unit |
Product Overview
| Parameter | Details |
|---|---|
| Part Number | 6ES7216-2BD23-0XB8 |
| Product Name | SIMATIC S7-200 CPU 226 |
| Application | Compact PLC for small to medium automation tasks in industrial environments, machine building, and building automation |
| Compatibility | STEP 7-Micro/WIN V4.0 SP9+; expandable with up to 7 EM 22x/23x I/O modules; PPI, MPI, PROFIBUS DP slave, Ethernet (via CP 243-1), Modbus RTU |
| Function | Executes ladder logic, STL, FBD; includes high-speed counters (30 kHz), pulse outputs (20 kHz PTO/PWM), real-time clock, PID loops, and data logging |
Functional Specifications
| Parameter | Details |
|---|---|
| Processor | 16-bit CPU, 0.22 µs per instruction |
| Memory | 16/24 KB user program (EEPROM), 10 KB data memory (RAM, battery-backed) |
| Scan Time | 1.0 ms / 1K Boolean typical |
| Programming Languages | Ladder (LD), Statement List (STL), Function Block Diagram (FBD) |
| Digital I/O (Built-in) | 24 DI 24 V DC (sink/source, 4 ms filter); 16 DO relay (2 A, 250 VAC/30 VDC) |
| High-Speed Counters | 6 _ 30 kHz single-phase, 4 _ 20 kHz A/B phase |
| Pulse Outputs | 2 _ 20 kHz (PTO/PWM, relay outputs) |
| Analog Potentiometers | 2 _ 8-bit |
| Communication Ports | 2 _ RS-485 (PPI/MPI/Modbus RTU master/slave, 9.6_187.5 kbps); Freeport mode (ASCII, custom protocol) |
| Expansion | Up to 7 expansion modules (168 DI/DO, 38 AI/AO max) |
| Real-Time Clock | Yes (battery-backed, ±2 min/month) |
| Battery | CR2430 lithium, 200 days backup |
| Data Retention | 190 days (capacitor), 10 years (battery) |
| PID Loops | 8 (with auto-tune) |
| LED Indicators | SF (red): System fault; RUN (green): Running; STOP (yellow): Stopped; I/O LEDs (green): DI/DO status |
| Configuration | STEP 7-Micro/WIN, USB/PPI cable (6ES7901-3CB30-0XA0) |
Electrical Specifications
| Parameter | Details |
|---|---|
| Power Supply | 20.4_28.8 V DC (nominal 24 V) |
| Power Consumption | 11 W (CPU only), +2 W per EM |
| Inrush Current | 12 A @ 28.8 V (1 ms) |
| Isolation | 500 V DC (field to logic), 1500 V AC (1 min) |
| Input Voltage ON | >15 V DC |
| Input Voltage OFF | <5 V DC |
| Input Current | 4 mA @ 24 V DC |
| Output Rating | 2 A per point, 8 A per group, 24 V DC |