Serial Communication Solution — SIEMENS 6AG1341-1CH02-7AE0 | SIMATIC S7-300 CP 341
Where This Product Is Used
The SIEMENS 6AG1341-1CH02-7AE0 is a CP 341 Communications Processor designed for the SIMATIC S7-300 PLC platform. It enables point-to-point serial data exchange across a wide range of industrial environments:
- Automotive Manufacturing: Serial communication between S7-300 controllers and barcode scanners, vision systems, or torque tools on assembly lines.
- Water & Wastewater Treatment: Integration of legacy SCADA systems and field instruments via RS-232/RS-422/RS-485 protocols.
- Oil & Gas Upstream/Downstream: Connecting remote terminal units (RTUs) and flow computers to the main PLC backbone.
- Pharmaceutical & Food Processing: GMP-compliant data logging from weigh scales, printers, and analytical instruments.
- Power Generation & Utilities: Substation automation and meter data acquisition using ASCII or 3964(R) protocols.
- Building Automation & HVAC: Interfacing with third-party controllers and energy meters over serial links.
- Machine Tool & Packaging: High-speed serial data transfer to drives, HMIs, and labeling systems.
Technical Specifications
- Order Number: 6AG1341-1CH02-7AE0
- Product Family: SIMATIC S7-300 CP 341 (SIPLUS extreme variant)
- Module Type: Communications Processor — Point-to-Point Serial
- Supported Protocols: ASCII, 3964(R), RK 512, USS, Modbus RTU/ASCII (via loadable driver)
- Physical Interfaces: RS-232C / RS-422 / RS-485 (interface module selectable)
- Baud Rate: Up to 76.8 kbps
- Ambient Temperature (Operation): -25 °C to +60 °C (SIPLUS extended range)
- Ambient Temperature (Storage): -40 °C to +70 °C
- Conformal Coating: Yes — designed for condensation and corrosive atmospheres
- Power Supply: Via S7-300 backplane bus (5 VDC)
- Weight: Approx. 240 g
- Dimensions (W × H × D): 40 × 125 × 120 mm
- Degree of Protection: IP20
- MTBF: >500,000 hours (typical)
Why Engineers Specify This Model
- SIPLUS Extreme Durability: The 7AE0 suffix denotes SIPLUS extended environmental rating — conformal-coated PCBs resist humidity, condensation, and corrosive gases that would degrade standard modules.
- Protocol Flexibility: Loadable drivers for Modbus RTU/ASCII and USS allow a single hardware SKU to serve multiple communication standards without additional gateways.
- Seamless S7-300 Integration: Plugs directly into the S7-300 rack; configured entirely within STEP 7 or TIA Portal — no external software license required for basic protocols.
- Proven Longevity: CP 341 has been a field-proven workhorse in S7-300 installations for over two decades, with broad spare-parts availability and documented firmware stability.
- Reduced Panel Footprint: Eliminates the need for external serial converters or protocol gateways, saving DIN rail space and reducing wiring complexity.
Complete System Bill of Materials
For a fully operational serial communication node based on the 6AG1341-1CH02-7AE0, engineers typically specify the following companion components:
- S7-300 CPU (e.g., 6ES7315-2EH14-0AB0 or equivalent)
- S7-300 Power Supply Module (e.g., 6ES7307-1EA01-0AA0, 5 A)
- S7-300 DIN Rail & Rack (e.g., 6ES7390-1AE80-0AA0)
- Interface Submodule for RS-232 (6ES7341-1AH01-0AE0) or RS-422/485 (6ES7341-1BH01-0AE0)
- Shielded serial cable (per interface standard)
- STEP 7 V5.x or TIA Portal V13+ for configuration
- Loadable driver CD/download for Modbus or USS (if required)
Compliance & Industry Standards
- CE Marking: Compliant with EU Low Voltage and EMC Directives
- UL / cUL Listed: UL 508 (Industrial Control Equipment)
- IEC 61131-2: Programmable Controllers — Equipment Requirements and Tests
- ATEX / IECEx: Not rated for Zone 0/1 — consult Siemens for hazardous-area variants
- RoHS: Compliant (Directive 2011/65/EU)
- REACH: Compliant per current SVHC candidate list
- Conformal Coating Standard: IEC 60068-2 (environmental testing)
Quality Assurance & Sourcing
At Konmask.com, every unit of the 6AG1341-1CH02-7AE0 is subject to our multi-stage verification process:
- Authenticity Check: Holographic label, date code, and firmware version verified against Siemens factory records.
- Functional Burn-In: Each module is powered and communication-tested prior to dispatch.
- Traceability: Full supply-chain documentation available on request (COO, batch records, test reports).
- Packaging Integrity: ESD-safe anti-static bag, foam-lined carton, and humidity indicator card for long-haul shipping.
- Warranty: 12-month replacement warranty against manufacturing defects.
How to Source This Part
- In-Stock Orders: Add to cart and check out directly — same-day dispatch for orders placed before 15:00 CST.
- Bulk / Project Quotes: Email support@konmask.com with your BOM quantity and project timeline for volume pricing.
- Urgent Requirements: Call or WhatsApp +0086 19859288691 for expedited sourcing and air-freight options.
- Lead Time: Standard stock: 1–3 business days. Non-stock / SIPLUS variants: 5–15 business days.
- Export Compliance: We handle CN export documentation; buyers are responsible for import duties in their jurisdiction.
Application-Specific FAQ
Q: Can the 6AG1341-1CH02-7AE0 run Modbus RTU out of the box?
A: No — Modbus RTU requires a loadable driver (available free from Siemens Support). Once loaded via STEP 7 or TIA Portal, the module fully supports Modbus RTU master and slave modes.
Q: What is the difference between 6ES7341-1CH02-0AE0 and 6AG1341-1CH02-7AE0?
A: The 6AG1 prefix and 7AE0 suffix indicate the SIPLUS extreme variant with conformal coating and extended temperature range (-25 to +60 °C). Functionally identical to the standard 6ES7 version but rated for harsher environments.
Q: Is this module compatible with TIA Portal?
A: Yes. The CP 341 is supported in TIA Portal V13 SP1 and later via the HSP (Hardware Support Package) for S7-300 modules.
Q: Can I use this module in an S7-400 rack?
A: No. The CP 341 is exclusively designed for the S7-300 mechanical and electrical backplane. For S7-400, specify the CP 441 family.
Q: What is the maximum cable length for RS-485?
A: Up to 1,200 m at 9,600 bps with proper termination resistors and shielded twisted-pair cable.
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