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C79458-L8000-A77

The C79458-L8000-A77 is a high-performance industrial communication module from Siemens, designed for robust data transmission in automation networks. This module serves as a PROFIBUS DP/PA coupler, enabling seamless integration between DP and PA fieldbus segments in process automation systems.

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TEL：400-887-3214
Mail：jilineasyyi@outlook.com
Q Q：615739355
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Key Specifications
1. Communication Features:

Interface Type: PROFIBUS DP to PA coupler

Data Transfer Rate:

DP side: 9.6 Kbps - 12 Mbps

PA side: 31.25 Kbps (fixed)

Power Supply: 24V DC (via DP connector)

Isolation: 1500V AC between DP and PA sides

2. Technical Parameters:

Max Connected Devices: 32 PA devices

Power Consumption: 2.5W (typical)

Operating Voltage Range: 19.2-30V DC

Signal Attenuation: <3dB (DP to PA)

3. Mechanical Specifications:

Dimensions (W×H×D): 60×120×75mm

Weight: 350g

Mounting: DIN rail (35mm)

Protection Class: IP20 (requires enclosure)

Housing Material: Polycarbonate (UL94 V0)

4. Environmental Ratings:

Operating Temperature: -40°C to +70°C

Storage Temperature: -40°C to +85°C

Relative Humidity: 10-95% (non-condensing)

Vibration Resistance: 5g (10-150Hz)

Special Features
Automatic Baud Rate Detection on DP side

Signal Conditioning for PA segment

LED Status Indicators for power, DP/PA activity

DIP Switches for configuration

Galvanic Isolation between networks

Certifications & Standards
PROFIBUS Certification: Tested by PNO

EMC: EN 61326-1 (Industrial)

Safety: UL 61010-1, CSA C22.2 No. 61010-1

Marine: DNV-GL, ABS, LR

ATEX: Optional version available (Zone 2)