EC401-10 S2 Yokogawa Bus Coupler Cable | New & Original Stock
Manufacturer: Yokogawa
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Part Number: EC401-10 S2
Condition：New with Original Package
Product Type: Interface Signal Cables
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Country of Origin: Japan
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Yokogawa EC401-10 S2 CENTUM VP Series Cable Assembly
Configured for Specific Technical Task in System/Network Name, the Yokogawa EC401-10 S2 (EC401 Bus Coupler Cable Assembly) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | EC401-10 S2 |
| Brand | Yokogawa |
| Origin | Singapore |
| Weight | 0.3 kg (0.55 lbs) |
| Dimensions | 15.2 cm x 15.2 cm x 5.1 cm (Cable profile 10 m length) |
| Operating Temp | -20 to +70 deg C |
| Power Consumption | Passive component (No external power consumption) |
| Voltage Rating | 300 V |
| Current Rating | 1.5 A per pin |
| Insulation Resistance | 1000 M-Ohm at 500 V VDC |
| Dielectric Strength | 1500 V AC for 1 minute |
| Shielding Structure | Aluminum foil and braided tinned copper matrix |
| Jacket Composition | Flame-retardant industrial PVC |
| Humidity Envelope | 10-90% non-condensing |
| Interface Configuration | High-density multipin connector |
Distributed Control System Signal Interface Architecture
The EC401-10 S2 link mechanism executes precise point-to-point analog and digital routing over a dedicated 4-20 mA HART loop protocol matrix. To preserve the microvolt integrity of low-level analog inputs across the Centum VP backplane link, the high-density multipin connector utilizes factory-terminated, low-resistance pins to minimize signal degradation. The internal core geometry incorporates integrated aluminum foil shielding flanked by an active braided tinned copper network, which prevents cross-talk and high-frequency common-mode electromagnetic interference across the 10 m path. This structure establishes stable distribution of discrete sensor loops and high-resolution analog parameters between the field bus coupler module and the remote marshalling panel network.
Frequently Asked Questions
Q: Can the EC401-10 S2 cable assembly be disconnected or reconnected under live load during active DCS controller operations?
A: Physical insertion or extraction of the high-density multipin interface must occur only when the field loop power is entirely isolated. Live decoupling under active current loops poses risks of transient inductive spikes, which can compromise the operational parameter execution of adjacent I/O cards sharing the same bus coupler node.
Q: How is the shield layer terminated within the EC401-10 S2 to avoid structural electrical loop currents?
A: The factory-integrated shield matrix terminates at a single grounding rail within the central DCS enclosure. Single-point grounding stops the formation of ground loop currents across the 10 m installation profile, maintaining a steady differential noise reference for low-level analog signals.
Field Installation Guidelines
- Minimum Dynamic and Static Bend Limits: Maintain a minimum static physical bend radius of 10 times the outer cable diameter during structural containment routing. Dynamic routing during commissioning requires 15 times the outer diameter to prevent internal conductor fatigue.
- Shielding Terminal Bonding: Connect the drain path to the designated low-impedance master instrumentation ground busbar inside the marshalling panel chassis. Do not expose the shield to dual-point earth grounding schemes.
- Enclosure Separation Rules: Run this interface signal cable within dedicated, low-voltage metallic conduits or isolated wire ways. Maintain a physical distance of at least 300 mm from parallel alternating current (AC) power lines or variable speed drive conductors to prevent electromagnetic noise coupling.
- Mechanical Connector Retention: Ensure the high-density multipin connector retaining screws are locked to the target bus coupler module to guarantee gas-tight electrical contact and eliminate pin displacement under vibration forces up to 500 Hz.