Siemens 6ES7223-1PH22-0XA0 Digital I/O Expansion Module – SIMATIC S7-200 SMART EM 223
When a production line loses its digital I/O expansion capability, the consequences are immediate and costly: machine sequences halt, sensor signals go unread, and actuator commands fail to execute. In high-throughput manufacturing environments — from automotive assembly to packaging lines — even a single failed I/O module can cascade into hours of unplanned downtime. The Siemens 6ES7223-1PH22-0XA0 is the precision-engineered solution that keeps these critical control loops intact, delivering reliable digital signal processing exactly where your system demands it.
Within the SIMATIC S7-200 SMART family, the EM 223 series occupies a pivotal role as the go-to digital combination I/O expansion module. The 6ES7223-1PH22-0XA0 variant — featuring 8 digital inputs and 8 transistor (solid-state) outputs — is one of the most widely deployed expansion modules in global OEM machine builds, recognized for its compact DIN-rail footprint, fast response times, and seamless integration with the S7-200 SMART CPU. It is trusted by system integrators and machine builders across Asia, Europe, and the Americas.
Technical Specifications
- Part Number: 6ES7223-1PH22-0XA0
- Series: SIMATIC S7-200 SMART EM 223
- Module Type: Digital Combination I/O Expansion Module
- Digital Inputs: 8 × 24 V DC
- Digital Outputs: 8 × Transistor (Source/Sink), 24 V DC
- Output Current per Channel: 0.75 A
- Input Voltage Range: 20.4 – 28.8 V DC
- Supply Voltage: 24 V DC (via CPU bus connector)
- Isolation: Optocoupler isolation between field and logic circuits
- Input Delay: Configurable (0.2 ms – 12.8 ms)
- Dimensions (W × H × D): 45 × 100 × 81 mm
- Weight: Approx. 180 g
- Mounting: DIN rail (35 mm)
- Operating Temperature: 0 °C to +55 °C
- Storage Temperature: −40 °C to +70 °C
- Protection Rating: IP20
- Certifications: CE, UL, cULus, FM
Key Features & Benefits
- Compact 45 mm Width: Maximizes panel space efficiency in tight control cabinet installations.
- Transistor Outputs: Solid-state switching ensures long service life with no mechanical wear, ideal for high-cycle applications.
- Plug-and-Play Expansion: Connects directly to S7-200 SMART CPUs via the integrated bus connector — no additional wiring harness required.
- Optocoupler Isolation: Protects the CPU from field-side voltage spikes and electrical noise.
- Configurable Input Filtering: Adjustable input delay reduces false triggering from noisy industrial environments.
- LED Status Indicators: Per-channel I/O status LEDs enable rapid field diagnostics without a laptop or programmer.
- Wide Operating Temperature Range: Reliable performance in demanding factory floor conditions up to 55 °C.
Industry & Equipment Applications
- Packaging Machinery: Conveyor control, product counting, reject gate actuation
- Textile & Printing Equipment: Tension control, web break detection, register mark sensing
- Food & Beverage Processing: Filling machine sequencing, level detection, valve control
- HVAC & Building Automation: Fan/pump start-stop, damper control, alarm outputs
- Material Handling: Conveyor routing, pallet transfer, end-of-line detection
- Water Treatment: Pump station control, valve sequencing, fault signaling
- OEM Machine Builders: General-purpose I/O expansion for any S7-200 SMART-based control system
System Integration & Compatible Parts
The 6ES7223-1PH22-0XA0 is designed exclusively for use with the SIMATIC S7-200 SMART CPU family. Compatible CPUs and related modules include:
- S7-200 SMART CPUs: CPU SR20, CPU SR30, CPU SR40, CPU SR60, CPU ST20, CPU ST30, CPU ST40, CPU ST60
- Analog Expansion Modules: EM AM03, EM AM06, EM AE04, EM AQ02
- Other Digital Expansion Modules: 6ES7222-1BF22-0XA0 (8DO), 6ES7221-1BF22-0XA0 (8DI)
- SIMATIC S7-200 SMART Programming Cable / STEP 7-Micro/WIN SMART Software
- 24 V DC Power Supply: e.g., SITOP PSU100S 6EP1334-2BA20
Our Quality Assurance Process
At Konmask.com, every Siemens module we supply undergoes a rigorous multi-stage verification process before shipment:
- Authenticity Verification: All units are sourced from authorized distribution channels. Holographic labels, date codes, and factory markings are inspected against Siemens’ official standards.
- Visual Inspection: Housing integrity, connector condition, and label legibility are checked for any signs of damage or tampering.
- Functional Testing: Where applicable, modules are bench-tested to confirm I/O channel operation prior to dispatch.
- Secure Packaging: Anti-static packaging with foam cushioning protects against ESD and transit damage.
- Traceability: Each order is documented with batch records for full supply chain traceability.
How to Order
- Submit your inquiry via the Contact / Request a Quote form on this page.
- Provide your required quantity, delivery timeline, and destination country.
- Our technical sales team will respond within 1 business day with availability, lead time, and a formal quotation.
- Upon order confirmation, we arrange secure packaging and international shipping with full tracking.
For urgent requirements or bulk orders, contact us directly:
📧 [email protected] | 📞 +0086 19859288691
Why Choose Konmask.com?
- ✅ Specialized in Industrial Automation: We focus exclusively on PLC, DCS, HMI, and automation components — not a generalist marketplace.
- ✅ Genuine Parts Guaranteed: Every module is verified authentic. We do not deal in counterfeit or refurbished-as-new parts.
- ✅ Global B2B Export Experience: We serve system integrators, OEMs, and MRO buyers in 30+ countries with compliant export documentation.
- ✅ Technical Pre-Sales Support: Our engineers can assist with compatibility checks, system configuration advice, and cross-reference queries.
- ✅ Competitive Lead Times: Stocked items ship within 3–5 business days; non-stock items sourced within 2–4 weeks.
- ✅ Flexible Payment Terms: T/T, L/C, and other B2B payment methods accepted.
Frequently Asked Questions
Q: Is the 6ES7223-1PH22-0XA0 compatible with the S7-200 (classic) series?
A: No. This module is designed exclusively for the S7-200 SMART platform. It is not compatible with the original S7-200 series CPUs. Please verify your CPU model before ordering.
Q: What is the maximum number of EM 223 modules I can connect to one S7-200 SMART CPU?
A: The S7-200 SMART CPU supports up to 6 expansion modules in total (digital and analog combined), subject to the CPU’s maximum I/O point count and power budget.
Q: Are the outputs sourcing or sinking type?
A: The transistor outputs on the 6ES7223-1PH22-0XA0 support both sourcing (PNP) and sinking (NPN) configurations depending on wiring. Please refer to the Siemens S7-200 SMART system manual for wiring diagrams.
Q: Can you provide the original Siemens datasheet or manual?
A: Yes. Contact us at [email protected] and we will provide the official Siemens product documentation upon request.
Q: Do you offer warranty on this module?
A: Yes. We offer a 12-month warranty against manufacturing defects on all genuine Siemens modules supplied by Konmask.com.
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Contact: [email protected] | +0086 19859288691
