SIEMENS 6ES7341-1AH01-0AE0 Serial Communication Module – SIMATIC S7-300 CP341
When a serial communication link fails on the production floor, the consequences are immediate and severe: CNC machines lose synchronization with upstream controllers, barcode scanners go silent, weighing terminals stop reporting, and entire assembly lines grind to a halt. In process industries, a broken RS422/485 link between a PLC and a field instrument can trigger emergency shutdowns, corrupt batch records, and cost tens of thousands of dollars per hour in lost output. The SIEMENS 6ES7341-1AH01-0AE0 CP341 Communication Processor is the engineered solution that keeps these links alive — reliably, continuously, and without burdening the CPU.
The 6ES7341-1AH01-0AE0 is the RS422/RS485 variant within the CP341 family, Siemens’ dedicated serial communication processor line for the SIMATIC S7-300 platform. Unlike software-driven serial ports that compete for CPU cycles, the CP341 offloads all protocol handling to its own onboard processor, enabling deterministic, high-throughput serial communication even under heavy PLC load. With decades of proven deployment across automotive, pharmaceutical, food & beverage, and energy sectors worldwide, this module represents the gold standard for point-to-point serial integration in S7-300 systems.
Technical Specifications
- Order Number (MLFB): 6ES7341-1AH01-0AE0
- Product Family: SIMATIC S7-300 CP341
- Interface: RS422 / RS485 (X27 standard)
- Transmission Rate: 300 baud to 76.8 kbaud
- Supported Protocols: ASCII, 3964(R), RK512 (via loadable driver)
- Connection Type: 15-pin Sub-D female connector
- Power Supply: Via S7-300 backplane bus (5 VDC)
- Current Consumption (5V bus): Approx. 200 mA
- Operating Temperature: 0 °C to +60 °C
- Storage Temperature: -40 °C to +70 °C
- Dimensions (W × H × D): 40 × 125 × 120 mm
- Weight: Approx. 360 g
- Degree of Protection: IP20
- Certifications: CE, UL, cULus, ATEX (Zone 2)
- Compatible STEP 7 Version: V5.1 SP2 and higher
Key Features & Benefits
- CPU-Independent Processing: Dedicated onboard processor handles all serial protocol tasks autonomously, freeing S7-300 CPU resources for core control logic.
- Flexible Protocol Support: Supports ASCII, 3964(R), and RK512 protocols via Siemens loadable drivers — adaptable to a wide range of third-party devices.
- RS422/RS485 Differential Signaling: Provides superior noise immunity over long cable runs in electrically harsh industrial environments.
- Multi-Drop Capability: RS485 mode supports up to 32 nodes on a single bus segment, enabling efficient multi-device topologies.
- Seamless STEP 7 Integration: Configured and diagnosed entirely within SIMATIC STEP 7 / TIA Portal environment — no proprietary tools required.
- Hot-Swap Compatible: Supports removal and insertion under power (RIUP) when used with appropriate S7-300 racks.
- Proven Longevity: Designed for 24/7 continuous operation in industrial environments with MTBF exceeding 100,000 hours.
Industry & Equipment Applications
- Automotive Manufacturing: Serial link between S7-300 PLCs and robot controllers, torque tools, or vision systems on assembly lines.
- Pharmaceutical & Life Sciences: GMP-compliant data exchange with weighing terminals, label printers, and SCADA historians.
- Food & Beverage: Integration with filling machines, checkweighers, and metal detectors via RS485 multi-drop bus.
- Energy & Utilities: Communication with RTUs, protection relays, and metering devices in substation automation.
- Printing & Packaging: High-speed serial data exchange with print-and-apply systems and web tension controllers.
- Water Treatment: Polling of remote field instruments and dosing pumps over RS485 networks.
System Integration & Compatible Parts
The 6ES7341-1AH01-0AE0 integrates directly into any SIMATIC S7-300 rack and is fully compatible with the following Siemens components:
- CPUs: All S7-300 CPUs (314, 315, 317, 319 series and variants)
- Racks: UR1 (6ES7390-1AE80-0AA0), UR2 (6ES7390-1AF30-0AA0)
- Power Supplies: PS307 series (6ES7307-1BA01-0AA0, 6ES7307-1EA01-0AA0)
- Loadable Drivers: 6ES7341-1AH01-0AE0 requires driver package 6ES7870-1AA01-0YA0 for 3964(R)/RK512
- Cables: Siemens PROFIBUS/MPI cable (6XV1830-0EH10) suitable for RS485 wiring
- Related CP Modules: 6ES7341-1BH02-0AE0 (RS232 variant), 6ES7341-1CH02-0AE0 (20mA TTY variant)
Our Quality Assurance Process
Every 6ES7341-1AH01-0AE0 unit sourced and supplied by Konmask.com undergoes a rigorous multi-stage verification process before dispatch:
- Authenticity Verification: Cross-referenced against Siemens MLFB database; counterfeit screening via label, hologram, and PCB inspection.
- Functional Power-On Test: Module is powered and communication interface is verified for signal integrity.
- Firmware Version Check: Confirmed against Siemens published firmware revision history.
- Packaging Inspection: Anti-static packaging integrity verified; original Siemens carton and documentation preserved where available.
- Traceability Record: Each unit is logged with batch/lot reference for full supply chain traceability.
How to Order
- Submit your inquiry via the Contact / RFQ form on this page or email support@konmask.com.
- Provide your required quantity, delivery timeline, and destination country.
- Receive a formal quotation with lead time and shipping options within 24 business hours.
- Confirm order and complete payment via T/T bank transfer or other agreed method.
- Receive shipping confirmation with tracking number and commercial invoice.
For urgent requirements or large-volume orders, please call or WhatsApp: +0086 19859288691.
Why Choose Konmask.com?
- Specialized Industrial Focus: We exclusively handle industrial automation components — no consumer electronics, no compromises on technical accuracy.
- Global B2B Supply: Serving engineering firms, system integrators, and MRO procurement teams across Asia, Europe, the Middle East, and the Americas.
- Competitive Lead Times: Extensive supplier network enables fast sourcing of both current and discontinued Siemens modules.
- Technical Pre-Sales Support: Our team includes experienced automation engineers who can advise on compatibility, firmware, and system integration.
- Secure Export Compliance: All international shipments handled with proper commercial documentation, EAR/ECCN classification, and customs compliance.
Frequently Asked Questions
Q: Is the 6ES7341-1AH01-0AE0 compatible with TIA Portal?
A: The CP341 family was designed for STEP 7 Classic (V5.x). Limited support exists in TIA Portal via a compatibility layer, but full configuration is recommended in STEP 7 V5.5 or higher. Consult Siemens compatibility notes before migrating.
Q: What is the difference between 6ES7341-1AH01-0AE0 and 6ES7341-1BH02-0AE0?
A: The -1AH01 variant provides RS422/RS485 interface, while the -1BH02 variant provides RS232 interface. Both are CP341 modules but serve different wiring topologies and distance requirements.
Q: Can this module support Modbus RTU protocol?
A: Yes, Modbus RTU can be implemented on the CP341 using a custom ASCII driver or a third-party loadable driver. Siemens does not provide an official Modbus RTU driver for CP341, but community-developed and third-party solutions are widely used.
Q: Do you supply new or refurbished units?
A: Konmask.com supplies both new-in-box and tested/refurbished units depending on availability. The condition is clearly stated in the quotation. All units pass our QA process regardless of condition grade.
Q: What is the typical lead time for this module?
A: Standard lead time is 3–7 business days for in-stock units. For sourced orders, lead time is typically 7–21 business days depending on origin. Expedited options are available — contact us for details.
© 2026 Konmask.com. All rights reserved.
Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
{
“@context”: “https://schema.org/”,
“@graph”: [
{
“@type”: “Product”,
“name”: “SIEMENS 6ES7341-1AH01-0AE0 CP341 Serial Communication Module”,
“description”: “SIEMENS 6ES7341-1AH01-0AE0 is a CP341 serial communication processor for SIMATIC S7-300, supporting RS422/RS485 interface with ASCII, 3964(R), and RK512 protocols.”,
“sku”: “6ES7341-1AH01-0AE0”,
“mpn”: “6ES7341-1AH01-0AE0”,
“brand”: {
“@type”: “Brand”,
“name”: “SIEMENS”
},
“manufacturer”: {
“@type”: “Organization”,
“name”: “Siemens AG”
},
“category”: “Industrial Communication Module”,
“url”: “https://konmask.com/products/siemens-6es7341-1ah01-0ae0-cp341-serial-communication-module”,
“offers”: {
“@type”: “Offer”,
“url”: “https://konmask.com/products/siemens-6es7341-1ah01-0ae0-cp341-serial-communication-module”,
“priceCurrency”: “USD”,
“availability”: “https://schema.org/InStock”,
“seller”: {
“@type”: “Organization”,
“name”: “Konmask.com”
}
}
},
{
“@type”: “FAQPage”,
“mainEntity”: [
{
“@type”: “Question”,
“name”: “Is the 6ES7341-1AH01-0AE0 compatible with TIA Portal?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “The CP341 family was designed for STEP 7 Classic (V5.x). Limited support exists in TIA Portal via a compatibility layer, but full configuration is recommended in STEP 7 V5.5 or higher.”
}
},
{
“@type”: “Question”,
“name”: “What is the difference between 6ES7341-1AH01-0AE0 and 6ES7341-1BH02-0AE0?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “The -1AH01 variant provides RS422/RS485 interface, while the -1BH02 variant provides RS232 interface.”
}
},
{
“@type”: “Question”,
“name”: “Can this module support Modbus RTU protocol?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Yes, Modbus RTU can be implemented on the CP341 using a custom ASCII driver or a third-party loadable driver.”
}
},
{
“@type”: “Question”,
“name”: “Do you supply new or refurbished units?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Konmask.com supplies both new-in-box and tested/refurbished units depending on availability. All units pass our QA process regardless of condition grade.”
}
},
{
“@type”: “Question”,
“name”: “What is the typical lead time for this module?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Standard lead time is 3–7 business days for in-stock units. For sourced orders, lead time is typically 7–21 business days.”
}
}
]
}
]
}
