Excellent PLC
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Product Description
The Yokogawa SB401-10-2 is an ESB Bus Interface Slave Module used within the CENTUM VP control system as part of the FIO (Field I/O) and N-IO system architecture. Its primary function is to serve as a communication interface between the Field Control Unit (FCU) and I/O modules via the ESB bus. The SB401 ensures high-speed and reliable data transfer while supporting dual-redundant configurations for increased system reliability.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SB401-10-2 |
| Function | ESB Bus Interface Slave Module |
| System | CENTUM VP, N-IO/FIO |
| Communication | ESB Bus to Field Control Unit |
| Module Type | Slave Communication Module |
| Maximum Modules per Node | 2 (in redundant configuration) |
| Mounting | 19-inch Rack Mount |
| Power Consumption | Shared via power supply module |
| Operating Temperature Range | -20 to +70 °C (with G3 option) |
| Protection Options | Standard / ISA G3 / Explosion-Proof |
| Dimensions (H x W x D) | 130 × 142.5 × 32.8 mm |
| Weight | 0.45 kg |
Applications
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Interface communication between FCU and field I/O modules.
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Ideal for use in process industries including oil & gas, chemical, power, and water treatment plants.
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Supports both standard and hazardous area installations (with explosion-proof options).
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Used in dual-redundant and high-reliability systems requiring continuous operation.
Advantages
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Enables high-speed data transmission within the CENTUM VP system.
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Supports redundancy to improve system reliability.
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Compact design for efficient rack space utilization.
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Compatible with a wide range of I/O modules.
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Extended temperature and environmental protection options.
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Designed for robust performance in industrial environments.
FAQ
Q1: What is the main function of the SB401-10-2 module?
A1: It acts as a communication interface between the Field Control Unit and I/O modules via the ESB bus.
Q2: Can SB401-10-2 be used in redundant configurations?
A2: Yes, up to two SB401 modules can be used in a dual-redundant setup for enhanced reliability.
Q3: Is the SB401-10-2 compatible with explosion-proof environments?
A3: Yes, with the appropriate suffix codes, it can be configured for explosion-proof applications.
Q4: What systems is this module compatible with?
A4: It is compatible with Yokogawa’s CENTUM VP system, especially N-IO and FIO systems.
Q5: How is the SB401 mounted?
A5: It is designed for mounting on a 19-inch rack using M5 screws.
Q6: Does it support communication with optical ESB bus?
A6: No, the SB401 is specifically for standard ESB bus connections.
Q7: What is the operating temperature range of the SB401-10-2?
A7: With G3 environmental protection, the operating range is -20 °C to +70 °C.
Q8: How many I/O modules can be managed through the SB401 interface?
A8: A single node unit can handle up to 8 I/O modules.
Q9: Is any special cabling required for the ESB bus connection?
A9: Yes, connector units such as /CU1N or /CU1T are used for ESB bus connections.
Q10: Can this module be used in older CENTUM VP R5 systems?
A10: Yes, the module is backward compatible with earlier CENTUM VP versions.
Related Models (Same Series or Functional Equivalents)
| Model | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| ANB10S | Node Unit for Single ESB Bus | 482.6 x 221.5 x 146 | ~10 kg |
| ANB10D | Node Unit for Dual ESB Bus | 482.6 x 221.5 x 146 | ~10 kg |
| PW481 | Power Supply Module (100–120 V AC) | Standard rack size | ~1.5 kg |
| PW482 | Power Supply Module (220–240 V AC) | Standard rack size | ~1.5 kg |
| PW484 | Power Supply Module (24 V DC) | Standard rack size | ~1.5 kg |
| ADCV01 | Dummy Cover for I/O Module Slot | N/A | ~0.1 kg |
Popular Yokogawa Models
| Model | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| AAI141-H50 | Analog Input Module, 4-20 mA, HART, 16 ch | 130 x 142.5 x 32.8 | ~0.4 kg |
| AAI143-H00 | Analog Input Module, Thermocouple, 8 ch | 130 x 142.5 x 32.8 | ~0.45 kg |
| ADV551-P00 | Digital Output Module, 32 ch | 130 x 142.5 x 32.8 | ~0.4 kg |
| ADM52C | Digital Input Module, 16 ch, contact input | 130 x 142.5 x 32.8 | ~0.4 kg |
| AAR181-S00 | Remote I/O Communication Module | 130 x 142.5 x 32.8 | ~0.45 kg |
| CP451-10 | Controller CPU Module for FCS | 130 x 142.5 x 32.8 | ~0.5 kg |
