6XV1861-2D PROFIBUS Cable Siemens Bus Cable, PB Network Cable Industrial Communication

Siemens 6XV1861-2D PROFIBUS Cable

SIMATIC Bus Cable STP

6XV1861-2D Shielded Copper

6XV1861-2D

Siemens 6XV1861-2D PROFIBUS Cable is a shielded SIMATIC Bus Cable STP with copper conductors, designed for reliable data transmission in PROFIBUS PA/DP industrial networks. Ensures durable, high-performance connectivity compliant with industry standards.

Specification

SEODescription

The Siemens 6XV1861-2D PROFIBUS Cable is a high-performance SIMATIC Bus Cable STP designed for robust industrial communication in automation systems. This shielded copper cable features a twisted-pair configuration with double-layer shielding (foil and braid) to ensure reliable data transmission in environments with electromagnetic interference. It supports PROFIBUS DP/PA networks, directly connecting up to 32 devices per segment via 9-pin D-Sub connectors or terminal blocks. Operating within a voltage range of 30V AC/DC and a temperature span of -30°C to +70°C, it excels in harsh industrial settings like manufacturing, process control, and logistics. Its low attenuation (75 dB/km at 500 kHz) and 150Ω characteristic impedance ensure signal integrity over distances up to 1,000 meters. While praised for durability and noise resistance, its rigid shielding requires careful handling during installation.

SEOSpecification

Parameter	Specification
Product Type	Siemens 6XV1861-2D PROFIBUS Cable
Application	SIMATIC Bus Cable STP for PROFIBUS DP/PA networks
Conductor Material	Shielded Copper (2x0.64 mm²)
Impedance	150 Ω at 3-20 MHz
Capacitance	≤ 60 nF/km
Attenuation	≤ 10 dB/100m at 39 kHz
Propagation Speed	66% of light speed
Temperature Range	-30°C to +70°C (operating)
Voltage Rating	300 V AC (50 Hz)
Certification	IEC 61158, PROFIBUS Standard

SEOQandA

question:Why choose us for industrial automation products?
answer:As Asia's leading supplier with 20+ years' experience, we ensure reliable quality and maintain 85% repeat customers through trusted partnerships.
question:What is the warranty policy?
answer:We offer 1-year warranty covering material/processing defects. Faulty products will be repaired/replaced promptly at our discretion.
question:Can you provide upgraded/alternative models?
answer:Yes, we work with leading manufacturers to offer compatible upgrades/alternatives ensuring equivalent performance and specifications.

SEOQandA_Product

question:What causes signal instability in 6XV1861-2D communication?
answer:Ensure cable is routed away from high-voltage sources and check proper shield grounding at both ends.
question:Why does PROFIBUS network fail with 6XV1861-2D?
answer:Verify 220Ω termination resistors are installed at both ends of the bus to prevent signal reflection.
question:How to resolve data loss over long 6XV1861-2D runs?
answer:Use repeaters or fiber-optic converters if cable exceeds maximum length (e.g., 200m at 1.5Mbps).
question:Why does 6XV1861-2D show connection errors?
answer:Inspect connectors for loose A/B wires, shorts, or breaks; re-crimp using PROFIBUS-compliant tools.
question:How to prevent 6XV1861-2D cable damage?
answer:Avoid sharp bends, crushing, or exposure to extreme temperatures; replace visibly damaged sections.