BV7040 is a 25-core shielded data connection cable for the German HIMA H41q/H51q system, used for connecting the bus terminal H7506 to the system interface, or for interconnecting H7505 → H7506. It is a dedicated communication cable for SIL3 safety systems.

Basic Information

Model: BV7040 (Part Number: 0508)

Brand/series: HIMA / H41q, H51q

Type: 25-core shielded data cable (MIN-D 25-pin dedicated connector)

Safety level: SIL3 (Certified with system IEC 61508)

Function: Secure communication connection between H7505/H7506 bus terminal and system interface

Specification Parameters

Number of cores: 25 (including RS-485 differential signal)

Length options:

BV7040-0.5: 0.5 m

BV7040-2: 2 m

BV7040-4: 4 m (commonly used)

Connector: Pre-installed MIN-D 25-pin male/female connectors at both ends

Communication protocol: RS-485 (Safety Bus)

Sheath/Insulation: Flame-retardant PVC, with a shielding layer covering

Temperature range: -40°C ~ +105°C

Certifications: CE, RoHS, SIL3 (System Level)

Key Features

Special Safety Bus: Compatible with HIMA H41q/H51q redundant architecture, ensuring safe signal transmission.

Plug-and-play: Pre-installed dedicated connectors, quick plug-and-unplug without tools, reducing installation and maintenance costs.

High anti-interference: Shielding + twisted pair structure, suppressing EMI/RFI interference, suitable for industrial harsh environments.

Standard lengths: Provide 0.5/2/4 m standard lengths to meet different spacing requirements in cabinets.

Typical Applications

H7505 ↔ H7506 Interconnection: Signal transfer between bus terminals.

H7506 → H41q/H51q System Interface: Expand the bus terminal to the communication port of the central rack.

SIS System I/O Expansion: Combined with H7506 remote terminal, achieving safe transmission of on-site I/O signals.