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YOKOGAWA YCB148 V net Terminator

YOKOGAWA YCB148 V net Terminator

The YOKOGAWA YCB148, also cataloged as the YCB148 V net Terminator, operates as a dedicated hardware component for impedance matching within 10BASE-2 V net industrial control networks.

Hardware Specifications

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Availability: In stock

SKU: YCB148
Vendor: Yokogawa
Category: V net Terminator
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The YOKOGAWA YCB148, also cataloged as the YCB148 V net Terminator, operates as a dedicated hardware component for impedance matching within 10BASE-2 V net industrial control networks.

Hardware Specifications

Parameter Specification
Model YCB148
Brand YOKOGAWA
Origin Japan
Weight 2 kg
Dimensions Standard terminal housing
Operating Temp -20 deg C to 70 deg C
Power Consumption Passive (0 W)
Cable Type Compatibility 10BASE-2 Coaxial
Impedance 50 Ohm
Connector Type BNC

FOUNDATION Fieldbus and DCS Connectivity

The YCB148 terminator is integrated into the physical layer of the V net control bus to mitigate signal reflections at the end of the coaxial cable segment. In Yokogawa control network architectures, correct impedance termination is required to maintain the integrity of the 10 Mbps data stream. The unit utilizes channel-to-channel isolation principles to ensure that the bus voltage remains within specified operational thresholds, preventing signal degradation caused by reflection interference across FOUNDATION Fieldbus and legacy coaxial control loops.

Frequently Asked Questions

Q: Is the YCB148 required at both ends of a 10BASE-2 cable segment?

A: Yes. For 10BASE-2 network topology, a 50 Ohm terminator must be installed at each physical end of the bus segment to ensure proper impedance matching and to prevent electrical signal reflections that cause packet collisions.

Q: Can this terminator be used with 10BASE-T twisted-pair networks?

A: No. The YCB148 is specifically engineered for 10BASE-2 coaxial cabling using BNC connectors. It is incompatible with the RJ45 interface and impedance requirements of 10BASE-T twisted-pair networks.

Field Installation Guidelines

  1. Termination Placement: Attach the terminator directly to the end of the coaxial T-connector or the final drop port of the V net bus segment.
  2. Connection Verification: Ensure the BNC locking collar is fully engaged to prevent intermittent contact resistance, which alters the effective load impedance of the network.
  3. Electrical Shielding: Confirm that the shield of the coaxial cable is continuous throughout the segment. The terminator must provide a clean electrical path to the shield ground to effectively dampen signal reflections.
  4. Environment: Install in a location free from excessive vibration and moisture to preserve the contact integrity of the BNC interface over long-term operation.