ADV151-E50 YOKOGAWA Digital Input Module

Yokogawa S9981DE-02 CENTUM VP Bus Interface Module

Yokogawa S9981DE-02 CENTUM VP Bus Interface Module

Disponibilidad: 99 Quedan en stock

Yokogawa S9981DE-02 ESB/N-ESB Bus Interface Module The Yokogawa S9981DE-02, also cataloged as the ASS9981DE-02 Bus Interface Module, operates as a...

Código: S9981DE-02

Manufacturer: Yokogawa
Product No.: S9981DE-02
Product Type: Bus Interface Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 630g
Shipping port: Xiamen
Warranty: 12 months

Descripción Reseñas

Yokogawa S9981DE-02 ESB/N-ESB Bus Interface Module

The Yokogawa S9981DE-02, also cataloged as the ASS9981DE-02 Bus Interface Module, operates as a dedicated hardware component for high-speed signal distribution within CENTUM VP and ProSafe-RS system architectures.

Hardware Specifications

Parameter	Specification
Model	S9981DE-02
Brand	Yokogawa
Origin	USA
Weight	0.9 kg
Dimensions	44.5 cm x 13.3 cm x 2.5 cm
Operating Temp	-20 deg C to +60 deg C
Power Consumption	0.5 A at 24 VDC
Communication Method	ESB/N-ESB protocol with optical isolation
Topology	Star or daisy-chain
Transmission Distance	Up to 10 km (with Vnet/IP R1.03+)

Process Control & Connectivity

The S9981DE-02 provides critical galvanic and optical isolation between the bus and the internal system components, effectively suppressing electromagnetic interference in noisy environments. The module maintains signal integrity through dual redundant ESB/N-ESB communication channels, which facilitate seamless failover capabilities. By utilizing optical transmission, the unit enables significant distance extensions, supporting complex network topologies including star and daisy-chain configurations. The architecture ensures that process data packets maintain high-speed determinism, which is requisite for the integration of Distributed Control Systems (DCS) and Safety Instrumented Systems (SIS).

Frequently Asked Questions

Q: Does the S9981DE-02 support hot-swapping within the backplane?

A: No. Power must be isolated from the specific slot before removing or installing the module to prevent electrical arcing or damage to the backplane communication pins.

Q: How should the redundant bus channels be configured to ensure zero-loss communication?

A: Both channels must be connected to independent physical paths. Ensure that the Vnet/IP firmware version is R1.03 or higher to enable the maximum 10 km transmission distance support.

Field Installation Guidelines

Environmental Preparation: Ensure the installation environment is free from excessive vibration and remains within the specified temperature range of -20 deg C to +60 deg C.
Mounting: Secure the unit firmly into the designated backplane slot. Verify that the chassis ground is connected to a low-impedance earth point to maximize the effectiveness of the module's EMC shielding.
Wiring: Use shielded twisted-pair or fiber-optic cabling as required by the specific bus topology. Maintain physical separation between signal cables and high-voltage power lines to prevent induced noise.
Validation: After installation, utilize the system diagnostics to perform a bus status monitoring check. Confirm that the optical link indicators reflect stable connectivity across all redundant channels before finalizing the loop commissioning.

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