Products Description
HIMatrix BV7049 RS485 Communication Cable

Technical Specifications
Model:BV7049
Brand:HIMA(HIMatrix)
Cable type:Shielded twisted pair
Connector:9-pin MIN-D plug at both ends
Standard length:4m,custom length available
Signal interface:RS485
Termination resistor:Built-in matching resistance
Power supply:No external power required
Protection:Shielded,anti-electromagnetic interference
Operating temperature:-20~+60℃
Relative humidity:5~95% non-condensing
Weight:0.32kg
Certification:CE
System compatibility:Used for HIMA H41q / H51q redundant HIQuad safety systems,connects safety rack to PC RS485 PCI card or optical fiber interface unit,for petrochemical,chemical plant ESD emergency shutdown and F&G fire gas protection system.
Function:Dedicated shielded RS485 communication cable,realizes serial data exchange between H41q/H51q redundant rack and PC interface card.Used for program download,online diagnosis,alarm viewing and system commissioning via SILworX software.
Installation:One end plugs into HIMA safety rack communication port,the other end connects to PC RS485 PCI card or FO optical interface module.
Interface:
‑9 pin MIN-D plug (rack side)
‑9 pin MIN-D plug (PC / FO interface side)
Circuit feature:Built-in matched resistors,shielded twisted pair structure,suppresses noise interference,stable RS485 communication,meets SIL3 functional safety requirements.
Feature:HIQuad redundant system dedicated RS485 communication cable BV7049. Common faults:internal wire break,connector pin deformation,shield layer damage.Confirm H41q/H51q redundant system version before replacement.
Diagnostic:Cable fault causes communication interruption between PC and safety rack,unable to upload/download program and read system diagnostic data.
Built‑in function
BV7049 establishes RS485 communication link for H41q/H51q redundant SIS safety rack commissioning and maintenance,widely used for chemical and power plant safety spare replacement.
Product Brief
BV7049 belongs to HIMA HIQuad communication cable family,4m shielded RS485 cable with dual 9-pin MIN-D plugs for redundant H41q/H51q system. Verify system version and interface compatibility before ordering. Test RS485 communication during commissioning. ESD anti‑static protection shall be followed during installation.