The Yokogawa EC401-50 serves as a vital communication link within the Yokogawa Centum VP distributed control system. Specifically, this ESB Bus Coupler Module is engineered for N-IO and FIO configurations, providing a single-port connection that facilitates rapid data exchange between the main controller and remote I/O units. Furthermore, the EC401-50 model is the standard non-explosion protected variant, making it an ideal choice for general-purpose industrial control rooms and safe zones.
This module excels in data-heavy environments, offering a dedicated transmission speed of 128 Mbps for I/O module data. Specifically, this high bandwidth ensures that there is zero perceptible lag when the Field Control Station (FCS) requests status updates from sensors or sends commands to actuators. Meanwhile, the robust ESB bus interface function maintains signal integrity across a maximum distance of 10 meters, providing stable connectivity for modular hardware expansion.
Regarding system growth, a single Yokogawa EC401-50 can connect up to 9 units depending on the specific system configuration. Additionally, the module is remarkably energy-efficient, requiring a current consumption of only 0.5 A. This low thermal footprint allows for high-density installation in control cabinets without necessitating aggressive cooling strategies. Consequently, the compact and lightweight design (approx. 0.24 kg net) simplifies both the mechanical mounting and the long-term maintenance of the I/O rack.
| Parameter | Detail |
| Part Number | EC401-50 |
| Model Type | 1-Port ESB Bus Coupler |
| Data Rate | 128 Mbps |
| Max Distance | 10 Meters |
| Current Draw | 0.5 Amperes |
| Compatibility | N-IO and FIO Hardware |
Specifically, the Yokogawa EC401-50 is built for standard industrial environments with a "Basic Type" suffix code indicating its foundational role in the ESB architecture. The unit has a net weight of approximately 0.24 kg, ensuring that it places minimal stress on the backplane connectors. Moreover, the standard configuration (Suffix -5) is designed for high-availability areas where explosion protection is not a regulatory requirement, allowing for a more cost-effective and streamlined installation.
First, ensure the power to the local node or chassis is completely isolated before inserting the module. Next, align the Yokogawa EC401-50 with the designated coupler slot on the baseplate and press firmly until the locking mechanism engages. After that, connect the ESB bus cable to the front port, ensuring the cable length does not exceed the 10-meter maximum limit. Finally, power up the system and verify the status indicators to confirm that the communication link with the FCS has been established successfully.
1 x Yokogawa EC401-50 ESB Bus Coupler Module
Anti-static Protective Shielding
Shipping Carrier: Fedex, UPS, DHL
Q: What is the maximum number of units I can connect to the EC401-50?
A: You can connect a maximum of 9 units, though this may vary based on your specific software version and hardware revision.
Q: Does the Woodward 5466-253 support explosion-protected environments?
A: No, the suffix code -5 indicates this is the standard type with no explosion protection for use in safe areas.
Q: What is the primary function of the ESB Bus Coupler?
A: Specifically, the Yokogawa EC401-50 acts as the interface that allows the Field Control Station to communicate with remote I/O modules via the ESB bus.
| Brand Name | Yokogawa Electric |
| Model No. | EC401-50 |
| Product Type | ESB Bus Node Unit |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
