ANB10D-425/CU2T Yokogawa ESB Bus Node Unit | New & Original Stock
Manufacturer: Yokogawa
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Part Number: ANB10D-125/CU2T
Condition：New with Original Package
Product Type: Distributed Control System Modules
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Country of Origin: Japan
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Yokogawa ANB10D-425/CU2T ESB Bus Node Units
The Yokogawa ANB10D-425/CU2T, also cataloged as the ANB10D Node Unit for Dual-Resistant ESB Bus, operates as a dedicated hardware component for connecting multiple I/O modules to the Field Control Unit (FCU) via the high-speed synchronous ESB bus within Yokogawa CENTUM VP distributed control system (DCS) platforms.
Suffix Breakdown & Model Matrix
| Code Element | Selection | Description |
|---|---|---|
| Base Model | ANB10D | Node Unit for Dual-Resistant ESB Bus |
| Suffix 1 | -4 | Dual-redundant power supply configuration |
| Suffix 2 | 2 | 220 to 240 V AC power supply input capability |
| Suffix 3 | 5 | Basic type with no explosion protection |
| Option 1 | /CU2T | Connector Unit with Terminator for ESB Bus [part No.: S9564FA (2 pieces)] |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | ANB10D-425/CU2T |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 10 kg |
| Dimensions | 482.6 mm x 221.5 mm x 205 mm |
| Operating Temp | -20 to 60 deg C |
| Storage Temp | -40 to 85 deg C |
| Relative Humidity | 10% to 90% RH non-condensing |
| Power Consumption | 230 VA |
| Input Voltage | 220 to 240 V AC at 50/60 Hz frequency limits |
| Communication Interface | ESB Bus interface up to 1.25 Mbps |
| Redundancy Architecture | Dual-redundant power supplies and ESB bus lines |
| Maximum Node Capacity | Up to 32 nodes per segment depending on system design |
| Maximum Cable Distance | Up to 500 m per segment without repeaters |
| Mounting Type | Standard 19-inch rack installation (M5 x 4 screws) |
| Certifications | CE, TUV |
Process Control & Channel-to-Channel Isolation
The ANB10D-425/CU2T interface architecture requires strict impedance matching across the synchronous communication path. The integrated /CU2T option provides built-in termination to eliminate signal reflection and preserve signal integrity over long-distance topologies. To prevent field-generated electrical disruption from propagating to the primary Field Control Unit, the internal backplane architecture enforces dedicated channel-to-channel isolation parameters. This galvanic isolation barrier mitigates common-mode voltages and cross-talk during concurrent 4-20 mA HART loop protocol executions on the surrounding FIO module cards, ensuring continuous synchronous transmission loops at 1.25 Mbps.
Frequently Asked Questions
Q: What is the function of the /CU2T option compared to a standard /CU2N connector?
A: The /CU2T option includes physical internal line termination components designed for impedance matching. This layout completes the electrical line segment of the ESB bus, removing the requirement for standalone external terminators at the physical end of the node chain.
Q: How does the unit respond to a single power supply module line failure?
A: The module operates with a dual-redundant power supply matrix. If one input leg or internal regulator stage fails, the secondary supply sustains the complete 230 VA load requirements with zero phase lag or interruption to the backplane communication bus.
Q: Can the node expansion configuration be modified while the node is online?
A: No. Altering the node termination layout or breaking the ESB bus link via cable disconnection induces reflection errors and packet drops, which invalidates the synchronous bus timing and triggers a system diagnostic fault.
Field Installation Guidelines
- 19-Inch Mechanical Alignment: Fasten the node unit into the designated cabinet rack spacing utilizing four M5 screws with the accompanying insulation bushings. The insulation bushings must be correctly seated to prevent chassis-to-rack ground loop currents.
- ESB Bus Connection Routing: Attach the ESB bus lines via the /CU2T connector assemblies [part No.: S9564FA]. Tighten the retention fasteners completely to ensure continuous shield contact, preventing radio frequency and electromagnetic interference from corrupting data frames.
- Thermal Management Clearances: To maintain optimal internal operating temperature limits between -20 and 60 deg C, provide a minimum of 100 mm of unblocked vertical ventilation clearance above and below the rack assembly housing.