Technical Functional Overview
The YCB146 is a T-shaped coaxial bus connector designed for Yokogawa V net control network systems. It is used to connect control stations or communication modules to the 10BASE-2 coaxial backbone without interrupting network continuity.
The YCB146 enables bus tapping for CENTUM distributed control systems, allowing Field Control Stations (FCS) or engineering stations to communicate with the main control network while maintaining deterministic signal transmission.
Detailed Engineering Specifications
| Parameter | Specification |
|---|---|
| Model | YCB146 |
| Component Type | T-shaped coaxial junction connector |
| Network Compatibility | V net (10BASE-2 coaxial) |
| Impedance | 50 Ω characteristic impedance |
| Interface Type | BNC-compatible coupling |
| Housing Material | Nickel-plated high-conductivity alloy |
| Signal Loss | Low insertion loss design |
| Installation Method | Twist-lock secure mounting |
| Function | Bus tapping and daisy-chain network connection |
System Integration Context
-
One port connects to the control module or bus coupler
-
The other two ports connect incoming and outgoing YCB141 coaxial cables
-
At bus endpoints, the YCB146 is typically used with YCB148 50 Ω terminators
The connector is critical for maintaining continuous circuit integrity in 10BASE-2 bus topology networks.
Technical FAQ
Why is a T-connector necessary?
Because 10BASE-2 networks require a continuous coaxial bus. The YCB146 allows stations to connect to the bus without breaking communication continuity.
Is it compatible with Vnet/IP?
No. It is designed for legacy coaxial V net networks. Vnet/IP uses Ethernet-based star topology cabling and RJ45 interfaces.
What are signs of failure?
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Oxidized or worn connector pins
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Loose mechanical locking causing vibration noise
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Intermittent bus communication errors in DCS diagnostics
Regular inspection is recommended to maintain network reliability.
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