RB301-S2 Yokogawa CENTUM CS Bus Interface Master Module

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Yokogawa RB301-S2 RIO Bus Interface Master Module Configured for high-speed data acquisition in CENTUM CS and CENTUM VP control networks,...

رمز المنتج: RB301 S2

Manufacturer: Yokogawa
Product No.: RB301 S2
Product Type: RIO Bus Modules
Product Origin: Japan
Payment:T/T, Western Union
Weight: 400g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

Yokogawa RB301-S2 RIO Bus Interface Master Module

Configured for high-speed data acquisition in CENTUM CS and CENTUM VP control networks, the Yokogawa RB301-S2 (RB301 RIO Bus Interface Master Card) provides direct physical and electrical execution of remote I/O communication tasks.

Hardware Specifications

Parameter	Specification
Model	RB301-S2
Brand	Yokogawa
Origin	Japan
Weight	0.4 kg
Dimensions	2.5 cm x 27.9 cm x 25.4 cm
Operating Temp	-20 deg C to +60 deg C
Power Consumption	5 W
Bus Type	RIO Bus (10 Mbps)
Connector Type	DB-37
Form Factor	Half-length PCI

DCS Process Control Connectivity

The RB301-S2 facilitates deterministic communication between the central controller and remote I/O segments. It employs channel-to-channel isolation architecture to preserve signal integrity against electromagnetic interference present in industrial process environments. The module manages the 4-20 mA HART loop protocol translation through the RIO bus interface, ensuring that field sensor data remains accurate during transmission to the DCS. Cold junction compensation (CJC) is managed at the individual I/O module level, while the RB301-S2 ensures that data packets are processed with minimal latency, supporting real-time control requirements.

Frequently Asked Questions

Q: Does the RB301-S2 support hot-swapping within the control rack?

A: No. The RB301-S2 is a PCI-based interface card. Power must be removed from the host rack before insertion or extraction to prevent damage to the backplane bus or the internal module circuitry.

Q: How should the DB-37 connector be configured for redundant bus loops?

A: In redundant configurations, two RB301-S2 modules are utilized. The DB-37 port must be connected to the dedicated bus master cabling, ensuring that the primary and secondary channels are correctly initialized within the CENTUM system configuration software to allow automatic switchover upon fault detection.

Field Installation Guidelines

Physical Mounting: Ensure the module is fully seated in a compatible half-length PCI slot. Secure the mounting bracket to the chassis to prevent mechanical vibration, which can loosen the DB-37 connection over time.
Signal Integrity: Use high-quality, shielded DB-37 cabling for the RIO bus. Connect the cable shield to the cabinet ground at the entry point to minimize noise-induced communication errors.
Power Supply: Provide a stable 24 V DC supply to the associated I/O rack. Verify the voltage at the terminal block before connecting the RIO bus master to prevent potential damage to the internal bus transceivers.
Environment: While the unit is designed for industrial use, keep the cabinet free of conductive dust and excessive humidity (5% to 95% RH). Ensure adequate space around the card for passive heat dissipation, maintaining the operating temperature below 60 deg C.

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