EB501-50 Yokogawa Signal Cable Assembly | New & Original Stock
Manufacturer: Yokogawa
-
Part Number: EB501-50
Condition：New with Original Package
Product Type: Signal Cable Assemblies
-
Country of Origin: Japan
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Yokogawa EB501-50 Signal Cable Assembly
The Yokogawa EB501-50, also cataloged as the EB501 Signal Cable Assembly, serves as the primary EB501 Signal Cable Assembly utilized to execute analog and digital signal transmission across CENTUM VP / CS 3000 platforms.
Suffix Breakdown & Model Matrix
- Base Model: EB501 (High-density multi-pin connection cable assembly architecture)
- Length Suffix (-50): Defines an exact physical continuous run of 50 m for extended terminal cabinet distribution
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | EB501-50 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 1.5 to 2.0 kg nominal |
| Dimensions | 50 m continuous path length |
| Operating Temp | -20 to +70 deg C |
| Power Consumption | Passive physical connection link (Zero internal active load) |
| Interface Connector | High-density multi-pin connector (factory-terminated at boundaries) |
| Signaling Medium | Analog and digital I/O lines |
| Electro-Magnetic Shield | Full EMI shielding structure (combined foil + braided copper wire) |
| Max Continuous Voltage | 300 V insulation boundary ceiling |
| Contact Current Limit | 1.5 A per dedicated pin maximum |
| Insulation Resistance | >=1000 MOhm evaluated at 500 V DC |
| Dielectric Strength | 1500 V AC sustained for 1 minute |
| Cable Outer Jacket | Flame-retardant PVC compound |
| Environmental Moisture | 10% to 90% RH, non-condensing |
Channel-to-Channel Isolation and DCS Integration Matrix
The EB501-50 links remote physical termination blocks directly to processing card cages, routing high-density parallel signaling paths over a 50 m link. To prevent signal breakdown across this distance, the assembly relies on strict channel-to-channel isolation principles established by the host modules. The continuous foil-and-braid matrix provides structural containment that blocks external electromagnetic fields from distorting low-level current paths. This shielding maintains the baseline 4-20 mA HART loop protocol parameters on parallel analog loops, protecting the network from inductive cross-talk caused by adjacent high-voltage lines.
Frequently Asked Questions
Q: What are the distinct physical risks and interface restrictions when separating the EB501-50 connector while the DCS node is energized?
A: The physical connectors do not possess internal arc-suppression mechanisms. Uncoupling the high-density multi-pin interface on an active node instantly interrupts all mapped analog and digital current paths simultaneously, dropping field variables to zero and generating immediate open-circuit system register alarms.
Q: How does the 50 m physical extension run alter resistance and noise limits on high-accuracy analog loops?
A: The 50 m length increases loop line impedance relative to short jumpers. To maintain calculation accuracy and protect the 1500 V AC dielectric barrier, field designers must verify that total field device load ratings account for this added line resistance while relying on the foil-and-braid shielding to ground out induced noise.
Field Installation Guidelines
- Connector Alignment and Mechanical Lock Retention: Align the factory-terminated high-density multi-pin head with the card cage or terminal receptacle. Push the connector straight into the socket until the mechanical retaining hardware engages completely to prevent high-resistance contacts.
- Continuous Routing and Bend Radius Limits: Secure the 50 m cable inside dedicated, grounded steel trays. Maintain a minimum dynamic bend radius of 10 times the outer cable diameter during installation to prevent fracturing the internal foil-and-braid shielding layer.
- Shield Grounding and Drain Wire Termination: Ground the cable assembly's integrated EMI shield matrix at a single designated termination point within the master marshalling panel. Avoid creating multiple ground connections to eliminate low-frequency ground loops.
- Separation from Power Cable Channels: Route the EB501-50 assembly away from power equipment. Maintain a minimum physical space of 300 mm from parallel high-voltage AC lines, motor power wiring, or variable frequency drive cables to suppress transient noise induction.