BV7040-4 HIMA HIQuad Series Datasheet & Technical Manual

HIMA B-V7040-4 HIQuad Data Cable System Modules

HIMA B-V7040-4 HIQuad Data Cable System Modules

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HIMA BV7040-4 Data Connecting Cable Terminal Module Configured for connecting the H 7506 bus terminal to system interfaces in H41q,...

SKU: BV7040-4

Manufacturer: HIMA
Product No.: BV7040-4
Product Type: Data Cables
Product Origin: Germany
Payment:T/T, Western Union
Weight: 350g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

HIMA BV7040-4 Data Connecting Cable Terminal Module

Configured for connecting the H 7506 bus terminal to system interfaces in H41q, H51q, HIQuad, and HIMax platforms, the HIMA BV7040-4 (BV7040-4 Data Connecting Cable Terminal Module) provides direct physical/electrical execution.

Hardware Specifications

Parameter	Specification
Model	BV7040-4
Brand	HIMA
Origin	Germany
Weight	0.35 kg (cable/module net weight)
Dimensions	172 mm x 110 mm x 41 mm
Operating Temp	-20 deg C to +60 deg C
Power Consumption	Passive wiring/bus interface (24 VDC system bus nominal)
Module Type	Data connecting cable / terminal block interface
Terminal Configuration	40 terminals (4 mm pitch) screw clamp
Conductor Compatibility	0.5 to 2.5 mm2 (AWG 20 to 14)
Current Rating	Up to 10 A per terminal
Cable Options	Standard lengths in 0.5 m, 2 m, and 4 m configurations
Isolation	Galvanic isolation between channels and bus
Safety Integrity Level	IEC 61508 SIL3 certified by TUV

Triple Modular Redundancy and Galvanic Isolation

The BV7040-4 module routes bus signals and field connections while providing channel-to-bus galvanic isolation across all 40 terminals. By physically isolating communication paths between field devices and central processing units, the module prevents ground loop currents and high-voltage field surges from reaching the logic solver backplane.

When technicians deploy the BV7040-4 in Triple Modular Redundancy (TMR) safety setups, the hardware maintains distinct signal separation to support fault-tolerant operation. As a result, line disruptions or transient spikes on individual channels do not interrupt active safety voting functions, which guarantees safe fail-safe state execution across critical shutdown loops.

Frequently Asked Questions

Q: How does the BV7040-4 maintain signal integrity during high-frequency bus communication?

A: Internal galvanic isolation and shielded interconnect wires suppress common-mode electrical noise. Consequently, high-speed data transmission between the H 7506 bus terminal and H41q/H51q rack interfaces remains clear of electromagnetic interference.

Q: Can engineers use different cable lengths without degrading SIL3 safety functions?

A: Yes, technicians can select standard factory lengths of 0.5 m, 2 m, or 4 m. Because the interface accounts for internal resistance and propagation delay across these distances, signal timing stays within certified safety bounds.

Field Installation Guidelines

Installers must mount the BV7040-4 module securely on a 35 mm DIN rail or chassis rack inside an IP20-rated enclosure. Before terminating field wiring, technicians should strip signal conductors to 7 mm and verify that wire gauges remain within 0.5 to 2.5 mm2 (AWG 20 to 14).

Tighten all screw clamp connections firmly using standard insulated screwdrivers. Furthermore, keep data connecting cables separated from high-voltage AC lines and variable frequency drive outputs to prevent noise coupling.

Integrators must attach all cable shields directly to the cabinet ground bus bar at a single entry point. Maintaining a single-point grounding layout suppresses circulating ground currents while optimizing the module's internal galvanic isolation barriers.

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