1786-BNC Allen-Bradley ControlNet Datasheet & Technical Manual

1786-BNC Allen-Bradley ControlNet Series Cable Connector

Allen-Bradley

1786-BNC Allen-Bradley ControlNet Series Cable Connector

SKU: 1786-BNC

In Stock

Dimensions: 3 x 1.5 x 1.5 cm
Country of origin: USA
Payment: T/T, Western Union
Shipping port: Xiamen

Categories : All Products, Allen-Bradley, DCS & Control Processors

Tags : Allen-Bradley ControlNet, Allen-Bradley ControlNet Series, Cable Connectors, ControlNet Components, ControlNet Media Accessories

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Configured for ControlNet coaxial media termination in ControlNet network installations, the Allen-Bradley 1786-BNC (1786-BNC Cable Connector) provides direct physical connection between RG-6QS coaxial cables and ControlNet communication segments.

Model Identification

Parameter	Specification
Model	1786-BNC
Brand	Allen-Bradley
Product Type	Cable Connector
Network Series	ControlNet
Connector Type	BNC Plug
Media Type	Coaxial Cable
Cable Compatibility	RG-6QS
Impedance	75 ohm +/-1 ohm
Frequency Range	0-4 GHz
VSWR	<=1.3:1 @ 3 GHz
Insertion Loss	<=0.3 dB @ 3 GHz
Protection Rating	IP20
Origin	USA
Weight	0.01 kg
Shipping Dimensions	3 x 1.5 x 1.5 cm
Operating Temp	-40 deg C to +85 deg C
Power Consumption	Passive component, no external power required

Hardware Specifications

The 1786-BNC is a passive ControlNet coaxial connector designed for RG-6QS media systems. It provides a 75 ohm connection interface for ControlNet coaxial cable assemblies and maintains signal transmission characteristics across the specified frequency range.

The connector uses a BNC plug interface and supports ControlNet physical layer installation requirements. No configuration software, firmware loading, or external power connection is required.

ControlNet Communication Characteristics

The 1786-BNC is used within Allen-Bradley ControlNet coaxial networks where controlled impedance and signal continuity are required. Proper connector installation maintains the electrical characteristics of the communication media.

The ControlNet architecture depends on consistent coaxial termination, cable routing, and connector contact quality. The 1786-BNC supports deterministic network communication by preserving the physical layer connection between ControlNet devices.

Ordering Information

1 x Allen-Bradley 1786-BNC ControlNet Cable Connector
1 x BNC plug connector assembly
Compatible with ControlNet RG-6QS coaxial media systems
No external power supply or configuration accessories included

Field Installation Guidelines

Cable Connection

Verify the coaxial cable type before installation. The connector is specified for RG-6QS ControlNet media.
Ensure the BNC interface is fully engaged and mechanically secured.
Avoid excessive bending stress near the connector termination area.

Signal Integrity

Maintain proper cable routing away from high-current power conductors.
Use correct shielding practices for industrial communication installations.
Inspect connector contacts for contamination before connection.

Mechanical Installation

Install the connector within the environmental limits of the ControlNet network location.
Avoid installation environments exceeding the specified vibration and temperature ratings.
Confirm that the connector is not exposed to conditions beyond the IP20 enclosure requirements.

Frequently Asked Questions

What network system is the 1786-BNC designed for?

The 1786-BNC is designed for Allen-Bradley ControlNet coaxial communication networks using RG-6QS cable media.
Does the 1786-BNC require external power?

No. The 1786-BNC is a passive cable connector and does not consume electrical power during operation.
What cable type is compatible with this connector?

The connector is specified for RG-6QS coaxial cable used in ControlNet network installations.
What is the connector impedance specification?

The 1786-BNC provides a 75 ohm impedance interface with a tolerance of +/-1 ohm.
Can the 1786-BNC be used for Ethernet communication?

No. The 1786-BNC is designed for ControlNet coaxial media and is not an Ethernet connector.
What environmental temperature range is supported?

The operating temperature range is -40 deg C to +85 deg C according to the provided specification.
Is firmware configuration required after installation?

No. The 1786-BNC is a passive physical layer component and does not contain configurable firmware.
What installation factor affects communication performance?

Proper cable type selection, connector engagement, shielding, and routing practices affect ControlNet signal performance.

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