Product Introduction
The 6ES7340-1BH00-0AE0 CP 340 is designed for SIMATIC S7-300 PLC systems.
It enables reliable point-to-point communication using a 20 mA TTY interface.
Core Identification
- Brand: Siemens
- Series: SIMATIC S7-300
- Model: 6ES7340-1BH00-0AE0
- Type: CP 340 Communication Processor
- Interface type: 20 mA (TTY), isolated
Electrical Data
- Backplane supply: 5 V DC
- Input current: max. 220 mA
- Power loss: max. 0.85 W
- Low heat generation
- Stable long-term operation
Communication Performance
- Number of interfaces: 1
- Transmission rate: 2.4 to 9.6 kbit/s
- 3964(R) protocol support
- ASCII protocol support
- Printer driver communication
Point-to-Point Capability
- Maximum cable length: 1000 m
- Active cable length: 100 m
- Passive cable length: 1000 m
- Noise-resistant current loop design
- Ideal for long-distance links
Telegram and Data Handling
- 3964(R) telegram length: up to 3964 bytes
- ASCII telegram length: up to 1024 bytes
- Fast data sending and receiving
- Reliable error handling
Software and Function Blocks
- Configuration package included on CD
- FB length in RAM: up to 2700 bytes
- Supports send and receive blocks
- Easy integration in STEP 7
Mechanical Specifications
- Width: 40 mm
- Height: 125 mm
- Depth: 120 mm
- Weight: approx. 300 g
- Compact S7-300 form factor
Key Product Benefits
- Stable communication over long cables
- High immunity to electrical noise
- Supports legacy printers and devices
- Simple point-to-point setup
- Proven Siemens industrial quality
Typical Applications
- Printer connection for reports
- Legacy device integration
- Process data logging
- Industrial serial communication
- Remote equipment interfaces
Buying Guide
- Confirm S7-300 rack compatibility
- Check required protocol type
- Measure cable distance in advance
- Verify printer or device support
- Plan spare units for old systems
FAQ
- Can this module handle noisy environments?
- Yes. The 20 mA loop is very noise resistant.
- Is it suitable for modern Ethernet networks?
- No. It is designed for serial point-to-point links.
- What is a common setup mistake?
- Wrong protocol selection in the PLC program.
- Can it connect to old printers?
- Yes. Many legacy printers are supported.
- How do I choose between ASCII and 3964(R)?
- Use ASCII for simple text. Use 3964(R) for control.
Warranty and Shipping
- Warranty: 12 months
- Fast global delivery
- Shipping via FedEx, UPS, DHL
Contact Information
- Email: info@oiltechcontrols.com
- Phone: +86 158 8020 0923
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