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Yokogawa ANB10D-420/CU2T/NDEL ESB Bus Node Unit

Configured for high-speed I/O communication in distributed control networks, the Yokogawa ANB10D-420/CU2T/NDEL (ANB10D Node Unit) provides direct physical/electrical execution of ESB bus data transmission.

Suffix Breakdown & Model Matrix

Code Specification
ANB10D Base model for Dual-Resistant ESB Bus
-4 Dual-redundant power supply
2 220-240 V AC power supply
0 Basic type, no explosion protection
/CU2T Connector unit with ESB bus terminator
/NDEL Software license for node expansion

Hardware Specifications

Parameter Specification
Model ANB10D-420/CU2T/NDEL
Brand Yokogawa
Origin Singapore
Weight 10 kg
Dimensions Standard 19-inch rack
Operating Temp Standard Industrial Limits
Power Consumption 200 VA (5.5 A)

Process Control and DCS Connectivity

The ANB10D implements a robust 4-20 mA HART loop protocol environment by facilitating stable data exchange between remote nodes and the central control architecture. Its integration ensures strict channel-to-channel isolation, preventing signal interference across complex process loops. The unit utilizes sophisticated ESB bus management to maintain timing integrity, which reduces jitter in high-speed control cycles. Additionally, the interface supports precise cold junction compensation (CJC) for temperature input modules, guaranteeing measurement accuracy within critical process segments.

Frequently Asked Questions (FAQ)

Q: Can the unit maintain operation during a single power source failure?

A: Yes, the -4 suffix indicates the module utilizes a dual-redundant power supply configuration, allowing for continuous operation should one input source fail.

Q: Is the /CU2T terminator required for all nodes?

A: You must install the /CU2T connector unit with the provided terminators at the final node of the ESB bus segment to prevent signal reflections and maintain communication stability.

Field Installation Guidelines

  1. Rack Mounting: Secure the unit into a standard 19-inch cabinet using four M5 x 4 screws. You must install the insulation bush accessory to ensure proper electrical isolation from the cabinet frame.
  2. Grounding Protocols: Verify that the frame ground terminal connects to the master plant ground bus using a low-impedance copper strap to mitigate electromagnetic noise.
  3. Power Wiring: Connect the 220-240 V AC lines through a dedicated circuit breaker. Ensure the power cables remain separated from high-voltage motor starters to protect the internal power regulation circuitry.
  4. Bus Termination: Verify the seating of the S9564FA terminators within the /CU2T connector unit after completing the ESB bus wiring to ensure correct characteristic impedance across the communication loop.

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