Yokogawa SB401-50 ESB Bus Interface Slave Module | Reliable Industrial Communication

Yokogawa SB401-50 ESB Bus Interface Slave Module

Brand: Yokogawa
Part Number: SB401-50
Model: ESB Bus Interface Slave Module
Condition: New & Original, Factory Sealed
Warranty: 12 Months

• Bus Type: ESB Bus Interface (Slave Module)
• Connection: Requires EC401 or EC402 installed in Slot 7 or 8
• Configuration: Single or redundant system supported
• Power Supply Options: 24 V DC / 100–120 V AC / 220–240 V AC
• Power Consumption:
  100–120 V AC: 200 VA / 120 W
  220–240 V AC: 230 VA / 120 W
  24 V DC: 5.5 A
• Frequency: 50/60 Hz
• Weight: Approx. 10 kg (with 8 I/O modules)
• Shipping: FedEx, UPS, DHL available

Suffix Code Structure:

SB401 - 50
│        └─ 50: Standard configuration
└─ Model: ESB Bus Interface Slave Module
Suffix Options:
-5 : Standard type (no explosion protection)
0  : Basic version

Product Highlights

• High-performance communication link between FCU and ESB nodes
• Compact and rugged for industrial reliability
• Supports both 24 V DC and AC power input flexibility
• Efficient power design ensures low heat and stable operation
• Easy installation with Yokogawa control systems

Technical Details

• Operating Temperature: 0°C to +55°C
• Storage Temperature: -25°C to +70°C
• Relative Humidity: 20–90% non-condensing
• Insulation Resistance: 100 MΩ or more (500 V DC)
• Cooling: Natural air convection
• Mounting: Standard rail installation
• Certification: CE, RoHS compliant

FAQ

Q1: What is the SB401-50 used for?
A: It connects the ESB Bus Node Unit to the FCU within Yokogawa control systems.

Q2: Does SB401-50 support redundant configuration?
A: Yes, by using EC401 or EC402 in both Slot 7 and Slot 8.

Q3: What is the typical power input for this module?
A: 24 V DC or AC 100–240 V at 50/60 Hz.

Q4: How heavy is the SB401-50 with modules installed?
A: Approximately 10 kg including 8 I/O modules.

Q5: What’s the warranty period?
A: 12 months warranty under standard factory terms.

Download & Support

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