SIEMENS 6ES7334-0CE01-0AA0 Analog I/O Module | Replacement, Equivalent & Selection Guide
The SIEMENS 6ES7334-0CE01-0AA0 is a compact analog combination module for the SIMATIC S7-300 PLC family, integrating both analog inputs and outputs in a single slot. This page provides full technical specifications, compatible replacement models, application guidance, and sourcing information to help engineers and procurement teams make confident decisions.
Technical Specifications
- Part Number: 6ES7334-0CE01-0AA0
- Product Family: SIMATIC S7-300
- Module Type: Analog Input/Output (Combination)
- Analog Inputs: 4 × configurable (voltage/current)
- Analog Outputs: 2 × configurable (voltage/current)
- Input Range: ±10 V / 0–20 mA / 4–20 mA
- Output Range: ±10 V / 0–20 mA / 4–20 mA
- Resolution: 12-bit
- Supply Voltage: 24 V DC (via backplane bus)
- Isolation: Electrically isolated channels
- Dimensions (W×H×D): 40 × 125 × 120 mm
- Weight: approx. 200 g
- Operating Temperature: 0 °C to +60 °C
- Degree of Protection: IP20
- Certifications: CE, UL, cULus
- MLFB / Order Number: 6ES7334-0CE01-0AA0
Compatible Replacement & Equivalent Models
When the original module is unavailable or end-of-life, the following models are commonly evaluated as replacements. Always verify electrical and firmware compatibility before substitution.
- 6ES7334-0KE00-0AB0 – SM 334 with extended I/O count; direct functional equivalent for most applications
- 6ES7331-7KF02-0AB0 – SM 331 analog input only; use when output function is handled separately
- 6ES7332-5HF00-0AB0 – SM 332 analog output only; complement with a dedicated input module
- 6ES7334-0CE01-0AA0 (refurbished) – Certified refurbished OEM unit; drop-in replacement with no configuration change
- Third-party equivalents – Modules from Wago, Phoenix Contact, or Beckhoff with matching I/O specs may be used in non-OEM-locked systems; consult system integrator
Note: Konmask.com supplies genuine SIEMENS parts. Contact us to confirm cross-reference compatibility for your specific firmware and rack configuration.
Why Choose the Original Model
- Seamless integration – Plug-and-play with existing S7-300 racks; no additional configuration required
- Firmware compatibility – Guaranteed compatibility with STEP 7 and TIA Portal project files
- Proven reliability – Designed for 24/7 industrial environments with SIEMENS quality standards
- Warranty & support – Eligible for SIEMENS technical support and spare-parts programs
- Regulatory compliance – Pre-certified CE/UL; simplifies system-level certification
Typical Applications
- Process control: temperature, pressure, flow, and level measurement loops
- Motor speed and torque control via analog setpoint signals
- Valve positioner feedback and control in chemical and water treatment plants
- HVAC automation: damper control, chiller setpoints
- Conveyor and packaging line tension/speed regulation
- Laboratory and test-bench data acquisition systems
System Compatibility
- PLC Platform: SIMATIC S7-300 (all CPU variants)
- Racks: UR1, UR2, ER1, ER2 expansion racks
- Programming Software: STEP 7 V5.x, TIA Portal V13 and above
- Communication: Backplane bus (no additional fieldbus required)
- Power Supply: PS 307 / PS 305 series or equivalent 24 V DC rail
- Not compatible with: S7-400, S7-1200, S7-1500 racks (different form factor and bus)
Selection Guide
Use the following criteria to determine whether the 6ES7334-0CE01-0AA0 is the right module for your application:
- Channel count needed: 4 AI + 2 AO → this module is a direct fit; if more channels are required, consider stacking additional SM 331/332 modules
- Signal type: Supports voltage (±10 V) and current (0/4–20 mA); confirm sensor output type before ordering
- Resolution requirement: 12-bit is sufficient for most process control; for higher precision (≥14-bit), evaluate SM 331 high-accuracy variants
- Slot budget: Occupies 1 slot; verify available slots in your rack configuration
- Budget vs. new: Genuine new unit recommended for critical processes; certified refurbished acceptable for non-critical or backup systems
- Replacement urgency: Konmask.com maintains stock for rapid dispatch; contact us for lead time confirmation
Quality Assurance & Sourcing
- All units sourced through authorized distribution channels or verified surplus with full traceability
- Pre-shipment inspection: visual, functional power-on test, and firmware version verification
- Anti-counterfeit measures: hologram labels, serial number validation against SIEMENS database where applicable
- Packaging: ESD-safe anti-static bag + foam-lined carton; original SIEMENS packaging preserved when available
- Warranty: 12-month replacement warranty on all units shipped by Konmask.com
How to Order
- Online: Add to cart directly on this page and proceed to checkout
- Email RFQ: Send part number, quantity, and required delivery date to support@konmask.com
- Phone / WhatsApp: +0086 19859288691 (Mon–Fri, 09:00–18:00 CST)
- Bulk / OEM orders: Volume pricing available for orders of 5+ units; request a formal quotation via email
- Lead time: In-stock items ship within 1–3 business days; out-of-stock items subject to sourcing lead time (typically 7–21 days)
Replacement & Compatibility FAQ
Q: Can I use 6ES7334-0KE00-0AB0 as a direct replacement?
A: In most cases yes — it shares the same form factor and bus interface. However, the channel configuration differs slightly; review the hardware manual and update your STEP 7/TIA Portal hardware catalog before swapping.
Q: Is the 6ES7334-0CE01-0AA0 still in production?
A: This model may be classified as a legacy/discontinued product by SIEMENS. Konmask.com supplies both new-old-stock and certified refurbished units. Contact us for current availability.
Q: Will a refurbished unit work with my existing project file?
A: Yes — refurbished units retain the original firmware and hardware revision. No project file changes are required for a like-for-like swap.
Q: Can I mix this module with S7-1500 hardware?
A: No. The S7-300 backplane bus is not compatible with S7-1500 racks. For S7-1500 systems, use the ET 200MP or equivalent analog I/O modules.
Q: Do you provide a certificate of conformity?
A: Yes. A certificate of conformity and test report are available upon request for all units shipped by Konmask.com.
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Contact: support@konmask.com | +0086 19859288691
