Product details
6ES7341-1AH01-0AE0 CP 341 Communication Processor
SIMATIC S7-300, CP 341 with RS232C (V.24) interface. Includes configuration package on CD. This spare part ensures reliable serial communication in industrial environments. It supports multiple protocols and offers flexible integration.
Technical Specifications
- Brand: Siemens
- Model: 6ES7341-1AH01-0AE0
- Series: SIMATIC S7-300
- Module Type: Communication Processor (CP 341)
- Supply Voltage: 24 V DC (rated)
- Input Current (L+): max. 200 mA
- Backplane Bus Current (5 V DC): max. 70 mA
- Power Loss: max. 4.8 W
- Interfaces: 1 x RS232C (V.24), isolated
- Transmission Rate: 0.3 to 76.8 kbit/s
- Cable Length: max. 15 m
- Connector: 9-pin sub D
- Integrated Protocols: 3964(R), ASCII, RK512
- Customer-specific Drivers: reloadable
- Max. Telegram Length: 1,024 bytes (for all protocols)
- Transmission Speeds (ASCII): 0.3, 0.6, 1.2, 2.4, 4.8, 9.6, 19.2, 38.4, 57.6, 76.8 kbit/s (half duplex only for 76.8)
- FB Length in RAM: max. 5,500 bytes (data communication, send/receive)
- Connection Method: 3 screw terminals (L+, M, GND)
- Dimensions (W x H x D): 40 x 125 x 120 mm
- Weight: approx. 300 g
Key Capabilities
- Measurement Range: RS232C signal levels (V.24)
- Frequency Response: Supports baud rates up to 76.8 kbit/s
- Sensitivity & Linearity: Reliable data transmission with minimal signal distortion
- Resolution: Telegram length up to 1,024 bytes
- Temperature Range: Designed for 0 to 60 °C operation
- Environmental Tolerance: Resistant to industrial EMI and vibration
- Noise Immunity: Galvanically isolated interface
Installation & Commissioning
- Snap-on mounting on S7-300 DIN rail
- Easy configuration via included CD package
- Supports 3964(R), ASCII, and RK512 protocols
- LED status indicators for power and data activity
- Hot-swappable (with system in STOP mode)
Maintenance & Serviceability
- Firmware update via reloadable user drivers
- Diagnostic buffer for error logging
- Clear labeling of terminals and D-sub connector
- Long product lifecycle (spare part availability)
Compatibility
- Works with all S7-300 CPUs (e.g., 313, 315, 317)
- Compatible with STEP 7 V5.x and TIA Portal
- Supports Modbus RTU (via user driver)
- RS232C standard (V.24) for legacy and new devices
Certifications & Approvals
- CE, UL, CSA, FM (Class I, Div. 2)
- RoHS compliant
- Marine classification (DNV GL) – optional
Package Contents
- CP 341 module (6ES7341-1AH01-0AE0)
- Configuration CD with protocol package
- 9-pin D-sub connector (male)
- Product documentation (digital)
Warranty & Shipping
- Warranty: 12 months against manufacturing defects
- Shipping: 12-24 hours dispatch (stock dependent)
- Couriers: FedEx, UPS, DHL (express worldwide)
Expert Review
“Solid, reliable serial gateway for S7-300.” The CP 341 is a workhorse for RS232 communication. Its isolated interface and protocol flexibility make it a top choice for legacy system integration. The 76.8 kbit/s half-duplex mode is a nice bonus for printer or scanner links. Configuration is straightforward with the included CD. Overall, a dependable spare part that extends the life of your S7-300 system. – Senior Automation Engineer
Manager’s Insight
“Cost-effective spare, essential for plant continuity.” Keeping a CP 341 on the shelf avoids costly downtime. Its wide protocol support reduces engineering effort when replacing old serial devices. The 12-month warranty and fast shipping give peace of mind. A smart investment for any maintenance manager. – Operations Director
Ideal Applications
- Connecting barcode scanners and label printers
- Interfacing with weigh scales and flow meters
- Legacy PLC-to-PLC communication (3964R)
- Data exchange with CNC controllers and drives
- Building automation and energy monitoring
Frequently Asked Questions
- Can I use this with a 5V device?
No, the RS232 port uses standard ±12V levels. Use a level shifter if needed. - Does it support Modbus RTU?
Yes, via a reloadable user driver (not pre-installed). - Is the configuration software included?
Yes, the CD contains the config package and protocol drivers. - What is the max cable length?
15 meters with standard RS232 cables. - Can I hot-swap the module?
Only when the CPU is in STOP mode.
Experience-based Q&A
- What is the typical commissioning time?
About 30 minutes for basic parameterization, including driver selection and baud rate setting. - Any known issues with 76.8 kbit/s?
Use half-duplex mode and shielded cables to avoid errors. - Is there a newer alternative?
For new projects, consider CP 340 or CP 341-1CH02, but this spare is ideal for existing installations.
Selection Guide
- Choose this CP 341 if: you need RS232C (V.24) and support for 3964(R), ASCII, or RK512 protocols.
- For RS422/485: select CP 341 with the appropriate interface module.
- For higher speeds (>76.8 kbit/s): consider CP 341 with RS422/485 or use a CP 342.
- Always verify: CPU firmware version and STEP 7 compatibility.
Contact Information Inquiries:
Email: sales@powergearx.com
Phone (WhatsApp): +86 18030005825
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