RB301 Yokogawa RIO Bus Interface Master Card

Yokogawa RB301 S2 RIO Bus Interface Master Card

Yokogawa RB301 S2 RIO Bus Interface Master Card

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Yokogawa RB301 S2 RIO Bus Interface Master Card Configured for Specific Technical Task in System/Network Name, the Yokogawa RB301 (RB301...

رمز المنتج: RB301

Manufacturer: Yokogawa
Product No.: RB301
Product Type: RIO Bus Interface Master Cards
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 900g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

Yokogawa RB301 S2 RIO Bus Interface Master Card

Configured for Specific Technical Task in System/Network Name, the Yokogawa RB301 (RB301 S2 RIO Bus Interface Master Card) provides direct physical/electrical execution. The hardware establishes deterministic communication links across distributed physical nodes to ensure real-time data frame transmission between remote input/output subsystems and central processing infrastructure. It functions exclusively at the physical and data link layers to arbitrate node traffic without introducing software-level protocol processing delays.

Hardware Specifications

Parameter	Specification
Model	RB301
Brand	Yokogawa
Origin	Japan
Weight	0.9 kg
Dimensions	2.5 cm x 27.9 cm x 25.4 cm
Operating Temp	-20 to +60 deg C
Power Consumption	5 W
Product Type	S2 RIO Bus Interface Master Card
Interface Type	RIO Bus
Data Rate	10 Mbps
Physical Connection	DB-37
Electrical Rating	24 VDC
Relative Humidity	5-95% RH non-condensing
Node Capacity	31 devices per segment

Distributed Control System Bus Characteristics

The module incorporates dedicated hardware logic to execute a 4-20 mA HART loop protocol over the physical infrastructure layer. It provides continuous channel-to-channel isolation rated to prevent transient voltage spikes from propagating through the internal backplane logic circuits. Integrated cold junction compensation (CJC) circuits maintain thermal stability across the input termination points, dynamically filtering thermal noise and ensuring high-accuracy signal conversion during continuous process loop operations.

Frequently Asked Questions

Q: Does the module support hot-swap insertion while the RIO bus segment is actively powered?

A: No. Removing or inserting the module while the 24 VDC power rail is active will interrupt the deterministic token rotation on the RIO bus, causing a communication fault across all 31 downstream devices connected to the segment. Power must be isolated before hardware replacement.

Q: How is the physical network node address assigned to this interface card?

A: The hardware address is established via hardware switches located on the printed circuit board assembly or assigned through system configuration software during initial commissioning. It does not auto-negotiate addresses on an active segment.

Q: What causes a communication timeout error on the DB-37 interface?

A: Timeout errors typically stem from electromagnetic interference, incorrect termination resistance on the RIO bus segment, or exceeding the maximum specified physical cable length. Ensure the shielding constraints match industrial standards.

Field Installation Guidelines

Mounting Orientation: Fix the card securely within the designated slot chassis using the integrated retention screws. Maintain proper vertical alignment to facilitate natural convection cooling across the internal components.
Shielding and Grounding: Terminate the DB-37 cable shield directly to the functional earth ground bar at the entry point of the enclosure. Do not allow the shield drain wire to create a ground loop by connecting it to earth at both physical ends of the cable run.
Wiring Separation: Route the RIO communication cables in separate, dedicated metal conduits away from high-voltage AC power distribution lines or variable frequency drive output cables to prevent signal cross-talk.
Environmental Control: Verify that the enclosure internal ambient temperature does not exceed 60 deg C under maximum continuous load conditions.

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