وصف

Yokogawa ANB10D-415/CU2T ESB Bus Node Unit

Configured for high-speed data exchange in the CENTUM VP distributed control network, the Yokogawa ANB10D-415/CU2T (ANB10D ESB Bus Node Unit) provides direct physical backplane connectivity for field I/O module termination and redundant bus communication execution.

Suffix Breakdown & Model Matrix

Code Segment	Definition
ANB10D	ESB Bus Node Unit with Dual-Redundant Power Supply
-4	Dual-redundant power supply
1	100 - 120 V AC power supply
5	Basic type with no explosion protection
/CU2T	Connector Unit with Terminator for ESB Bus (Part No.: S9564FA x 2)

Hardware Specifications

Parameter	Specification
Model Brand	Yokogawa ANB10D-415/CU2T
Origin	Japan
Weight	10 Kg
Dimensions	482.6 mm (W) x 177.8 mm (H) x 300 mm (D)
Operating Temp	0 to 55 degC
Power Consumption	150 VA max
Power Supply	100 - 120 V AC, 50/60 Hz
Bus Interface	Dual-Redundant ESB Bus
Slot Capacity	8 I/O Module Slots, 2 Interface Slots

FOUNDATION Fieldbus and 4-20 mA Loop Protocol Support

The ANB10D chassis supports the integration of FIO modules capable of handling 4-20 mA HART protocol signals. Channel-to-channel isolation is maintained at 500 VAC to prevent ground loop interference across analog input terminals. When interfacing with Foundation Fieldbus devices, the node unit manages segment power distribution and complies with FF-846 physical layer standards. Cold junction compensation is executed internally when thermocouple input modules are installed in the designated slots.

Frequently Asked Questions

Q: What is the maximum permissible cable length for the ESB bus connection from the FCU to the ANB10D?

A: The maximum total cable length for the ESB bus is 185 meters. This includes the combined length of all cables connected to the dual-redundant interface modules.

Q: Can the power supply modules be replaced while the node unit is operational?

A: Yes. The dual-redundant power supply configuration supports hot-swapping. However, ensure the remaining power supply is operating within specified load limits before removing the faulty unit.

Q: Does the /CU2T option affect the electrical characteristics of the backplane?

A: No. The /CU2T designation refers to the inclusion of specific connector units with terminators for bus impedance matching. It does not alter the voltage levels or signal timing of the ESB bus backplane.

Field Installation Guidelines

Mount the ANB10D-415/CU2T into a standard 19-inch rack using the provided brackets. Ensure proper grounding of the rack frame to the facility earth grid with a minimum 6 AWG conductor. Route ESB bus cables away from high-voltage power lines to minimize electromagnetic interference. Torque the terminator connectors to 0.8 N·m. Verify that the redundant power feeds originate from separate uninterruptible power supplies (UPS) to maintain system availability during power source failure.

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