Industrial Automation Solution — SIEMENS 6ES7214-2BD23-0XB8 | S7-200 Series
The SIEMENS 6ES7214-2BD23-0XB8 is a compact, high-performance CPU module from the S7-200 series, engineered for discrete and process control applications across a wide range of industrial environments. With its robust I/O capacity, onboard RS-485 communication, and proven SIMATIC instruction set, this CPU is the control core of choice for engineers who demand reliability in demanding field conditions.
Where This Product Is Used
This CPU module is deployed across a broad spectrum of industrial applications:
- Manufacturing & Assembly Lines — Conveyor sequencing, pick-and-place control, and end-of-line testing stations
- Water & Wastewater Treatment — Pump station automation, dosing control, and level monitoring
- HVAC & Building Automation — Fan coil unit control, chiller sequencing, and BMS integration
- Food & Beverage Processing — Filling, capping, and labeling machine control
- Packaging Machinery — Wrapping, sealing, and palletizing line control
- Oil & Gas Field Equipment — Wellhead control panels, skid-mounted pump control
- Material Handling — Sorting systems, elevator logic, and warehouse automation
- OEM Machine Builders — Embedded control for compact standalone machines
Technical Specifications
- Part Number: 6ES7214-2BD23-0XB8
- Series: SIMATIC S7-200
- CPU Type: CPU 224 XP
- Digital Inputs: 14 × 24 VDC
- Digital Outputs: 10 × 24 VDC Transistor (Sourcing)
- Analog Inputs: 2 × integrated (0–10 V / 0–20 mA)
- Analog Outputs: 1 × integrated (0–10 V)
- Program Memory: 16 KB
- Data Memory: 10 KB
- Retentive Memory: 10 KB EEPROM
- Communication Ports: 2 × RS-485 (Port 0 & Port 1)
- Supported Protocols: PPI, MPI, Modbus RTU, USS, Freeport
- Power Supply: 24 VDC (20.4–28.8 V)
- Operating Temperature: 0°C to +55°C
- Storage Temperature: −40°C to +70°C
- Protection Rating: IP20
- Dimensions (W×H×D): 196 × 80 × 62 mm
- Weight: Approx. 400 g
- Mounting: DIN rail or panel mount
- Programming Software: STEP 7-Micro/WIN
Why Engineers Specify This Model
- Dual RS-485 Ports — Enables simultaneous HMI communication on Port 0 and Modbus/USS device network on Port 1, eliminating the need for additional communication modules
- Integrated Analog I/O — Onboard analog channels reduce BOM cost and panel footprint versus expansion-only configurations
- High-Speed Pulse Outputs — Supports up to 100 kHz pulse output for stepper and servo positioning without additional motion modules
- Proven S7-200 Ecosystem — Compatible with the full range of EM expansion modules, TD text displays, and STEP 7-Micro/WIN programming environment
- Compact Form Factor — DIN rail mounting in a 196 mm wide housing minimizes panel space in retrofit and OEM applications
- EEPROM Retention — Program and data retention without battery backup simplifies maintenance in remote installations
Complete System Bill of Materials
For a complete S7-200 control system based on the 6ES7214-2BD23-0XB8, engineers typically specify:
- CPU Module: 6ES7214-2BD23-0XB8 (this unit)
- Digital I/O Expansion: EM 223 — 6ES7223-1BH22-0XA8 (8DI/8DO)
- Analog Expansion: EM 235 — 6ES7235-0KD22-0XA8 (4AI/1AO)
- Programming Cable: PC/PPI Cable — 6ES7901-3CB30-0XA0
- HMI Panel: SIMATIC TD 400C — 6AV6640-0AA00-0AX0
- 24 VDC Power Supply: SITOP PSU100S — 6EP1334-2BA20
- DIN Rail & Terminal Blocks: Per panel design specification
Contact Konmask for bundle pricing on complete system configurations.
Compliance & Industry Standards
- CE Marking: Compliant with EU Machinery Directive and EMC Directive
- UL Listed: UL 508 (Industrial Control Equipment)
- cUL Listed: CSA C22.2 No. 142
- RoHS: Compliant
- ATEX: Not rated for Zone 0/1 hazardous areas — use appropriate barriers for Ex installations
- IEC 61131-2: Programmable Controller Hardware Standard
- EMC: EN 61000-6-2 (Immunity), EN 61000-6-4 (Emissions)
Quality Assurance & Sourcing
Konmask.com sources the 6ES7214-2BD23-0XB8 through verified industrial distribution channels with full traceability. Every unit undergoes the following before dispatch:
- Visual inspection for label authenticity, housing integrity, and connector condition
- Firmware version verification against SIEMENS published release notes
- Functional power-on test with STEP 7-Micro/WIN connectivity confirmation
- Anti-static packaging with humidity indicator card
- Batch documentation retained for 3 years for warranty and audit purposes
We do not list products we cannot verify. If stock is shown as available, it is physically on-hand and ready to ship.
How to Source This Part
- In-Stock Orders: Add to cart and check out — standard lead time is 1–3 business days for dispatch
- Bulk / Project Quantities: Email support@konmask.com with your project BOM for volume pricing and reserved stock allocation
- Urgent Requirements: Call or WhatsApp +0086 19859288691 for same-day quotation on critical spares
- International Shipping: DHL Express, FedEx International, and sea freight options available — contact us for Incoterms and customs documentation support
- OEM / Integrator Accounts: Registered integrators qualify for net-30 terms and dedicated account management — enquire via email
Application-Specific FAQ
Q: Can the 6ES7214-2BD23-0XB8 communicate with a SIEMENS S7-1200 or S7-300 PLC?
A: Direct S7 protocol communication between S7-200 and S7-300/1200 is not natively supported. However, Modbus RTU or OPC server bridging (e.g., via PC-based gateway) can be used for data exchange in mixed-generation architectures.
Q: Is this CPU compatible with STEP 7 (TIA Portal)?
A: No. The S7-200 series requires STEP 7-Micro/WIN (V4.0 SP9 or later). TIA Portal does not support S7-200 programming. Micro/WIN is available from SIEMENS or contact us for assistance.
Q: What is the maximum number of expansion modules supported?
A: The CPU 224 XP supports up to 7 expansion modules (EM series), providing up to 168 digital I/O points or a mix of digital and analog expansion.
Q: Can I use this CPU for motion control applications?
A: Yes. The CPU 224 XP supports up to 2 high-speed pulse output channels (Q0.0 and Q0.1) at up to 100 kHz, suitable for open-loop stepper motor control using the PTO/PWM function.
Q: What is the difference between 6ES7214-2BD23-0XB8 and 6ES7214-1BD23-0XB8?
A: The 2BD23 variant is the CPU 224 XP with dual RS-485 ports and integrated analog I/O. The 1BD23 is the standard CPU 224 with a single RS-485 port and no onboard analog channels. The XP variant is recommended for new designs requiring analog feedback or multi-device communication.
Q: Is a battery required for program retention?
A: No. The CPU 224 XP uses EEPROM for program storage, which retains data without a battery. A supercapacitor maintains the real-time clock and retentive data memory for approximately 100 hours after power loss.
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