Siemens 6ES7214-1BC01-0XB0 CPU 214 Compact PLC Unit | Replacement, Equivalent & Selection Guide
The Siemens 6ES7214-1BC01-0XB0 is a compact CPU 214 unit from the SIMATIC S7-200 series — a proven micro-PLC platform widely deployed in small-to-medium automation systems. This page provides full technical specifications, compatible replacement models, and a structured selection guide to help engineers and procurement teams make informed sourcing decisions.
Technical Specifications
- Part Number: 6ES7214-1BC01-0XB0
- Brand: Siemens
- Series: SIMATIC S7-200
- Module Type: CPU 214 Compact Unit
- Digital Inputs: 14 DI (24 V DC)
- Digital Outputs: 10 DO (Relay or Transistor depending on variant)
- Program Memory: 4 KB
- Data Memory: 2 KB
- Communication Port: 1 × RS-485 (PPI/MPI)
- Power Supply: 24 V DC
- Expansion Modules: Up to 7 EM modules supported
- Operating Temperature: 0 °C to +55 °C
- Protection Rating: IP20
- Weight: Approx. 350 g
- Dimensions (W×H×D): 196 × 80 × 62 mm
Compatible Replacement & Equivalent Models
The following models are commonly evaluated as replacements or equivalents for the 6ES7214-1BC01-0XB0. Always verify I/O count, memory, and firmware compatibility before substitution:
- 6ES7214-1AD23-0XB0 — S7-200 CPU 214, DC/DC/DC, direct functional equivalent (newer firmware revision)
- 6ES7214-1BD23-0XB0 — S7-200 CPU 214, AC/DC/Relay, suitable for relay output applications
- 6ES7212-1AB23-0XB0 — S7-200 CPU 212, reduced I/O; suitable for smaller control tasks
- 6ES7214-1HG40-0XB0 — S7-200 SMART CPU SR40, modern successor with Ethernet port and expanded memory
- 6ES7215-1AG40-0XB0 — S7-200 SMART CPU ST40, transistor output variant of the SMART series
- 6ES7214-1AE30-0XB0 — S7-200 CPU 224, higher I/O capacity for expanded applications
Note: S7-200 SMART series requires STEP 7-Micro/WIN SMART software; classic S7-200 uses STEP 7-Micro/WIN V4.x.
Why Choose the Original Model
- Proven Reliability: The S7-200 CPU 214 has decades of field-proven performance in industrial environments.
- Exact Program Compatibility: Retains full compatibility with existing STEP 7-Micro/WIN projects without code migration.
- Spare Parts Continuity: Ideal for maintenance and MRO sourcing where system consistency is critical.
- Cost-Effective MRO: Lower acquisition cost compared to upgrading to a new platform when the existing system is stable.
Typical Applications
- Conveyor and material handling control
- Pump and motor sequencing
- HVAC and building automation
- Packaging machinery
- Water treatment and level control
- Small assembly line automation
System Compatibility
- Programming Software: STEP 7-Micro/WIN V4.0 SP9 or later
- Communication Protocols: PPI, MPI, Freeport
- HMI Compatibility: Siemens TD 200, TP 070, OP 73 Micro, and compatible third-party panels
- Expansion Modules: EM 221, EM 222, EM 223, EM 231, EM 232, EM 235, EM 277 (PROFIBUS-DP)
- PC Connection: PC/PPI cable (USB or RS-232) or CP 5512 card
Selection Guide
Use the following criteria to determine whether the 6ES7214-1BC01-0XB0 or an alternative is the right choice:
- Exact replacement for failed unit: → Order 6ES7214-1BC01-0XB0 (this item) for drop-in compatibility.
- Need relay outputs: → Consider 6ES7214-1BD23-0XB0.
- Need Ethernet / modern connectivity: → Upgrade to S7-200 SMART CPU SR40 (6ES7214-1HG40-0XB0).
- Reduced I/O requirement: → CPU 212 (6ES7212-1AB23-0XB0) may suffice.
- Expanded I/O requirement: → CPU 224 (6ES7214-1AE30-0XB0) offers more onboard I/O.
- Long-term new project: → S7-200 SMART or S7-1200 series recommended for future-proofing.
Quality Assurance & Sourcing
- All units sourced from authorized distributors or verified surplus channels.
- Each module undergoes visual inspection and functional verification prior to shipment.
- Original Siemens packaging and labeling preserved where available.
- Traceability documentation available upon request for MRO and OEM customers.
- Anti-counterfeit checks applied — hologram labels and serial number verification.
How to Order
- Part Number: 6ES7214-1BC01-0XB0
- Minimum Order Quantity: 1 unit
- Lead Time: In-stock items ship within 1–3 business days; contact us for bulk order lead times.
- Payment: T/T, PayPal, credit card accepted.
- Shipping: DHL / FedEx / UPS worldwide; sea freight available for large orders.
- Contact: support@konmask.com | +0086 19859288691
Replacement & Compatibility FAQ
Q: Is the 6ES7214-1BC01-0XB0 still in production?
A: The S7-200 classic series has been discontinued by Siemens. Konmask.com supplies new-old-stock (NOS) and refurbished units to support existing installations.
Q: Can I use S7-200 SMART as a direct replacement?
A: Functionally similar, but the SMART series requires different programming software (STEP 7-Micro/WIN SMART) and the program must be rewritten. It is not a plug-and-play replacement.
Q: What cable do I need to program this CPU?
A: A USB/PPI or RS-232/PPI multi-master cable is required to connect to a PC running STEP 7-Micro/WIN.
Q: Does this unit support PROFIBUS?
A: Not natively. PROFIBUS-DP connectivity requires the EM 277 expansion module.
Q: Can I expand the I/O on this CPU?
A: Yes, up to 7 expansion modules (EM series) can be connected to the CPU 214.
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Contact: support@konmask.com | +0086 19859288691
