YOKOGAWA RB401 S4 Remote I/O Modules
The Yokogawa RB401 S4 , also cataloged as the RB401 RIO Bus Module, operates as a dedicated hardware component for remote I/O communication and signal routing within CENTUM VP platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | RB401 S4 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.3 kg (0 lbs 9.0 oz) |
| Dimensions | 2.5 cm x 25.4 cm x 20.3 cm (1.0 in x 10.0 in x 8.0 in) |
| Operating Temp | -20 to 60 deg C |
| Power Consumption | 24 VDC input voltage |
| Communication Interface | Modbus TCP/IP |
| Analog Inputs | 16 channels |
| Digital Inputs | 8 channels |
| Analog Outputs | 8 channels |
| Digital Outputs | 4 channels |
| Mounting Type | Rack mount |
Channel-to-Channel Isolation & Fieldbus Data Routing
The RB401 S4 provides deterministic communication bridging between remote field stations and central processing units via Modbus TCP/IP protocols over Ethernet. Integrated channel-to-channel isolation on analog and digital I/O lines prevents cross-channel noise propagation and ground loop potential differences. Onboard signal processing paths maintain low transmission latencies and preserve 4-20 mA HART signal integrity across distributed control networks.
Frequently Asked Questions
Q: What communication protocols are supported on the network interface of the RB401 S4?
A: The module features an Ethernet interface supporting standard industrial Modbus TCP/IP protocol for integration into plant control networks.
Q: What is the total I/O capacity managed by a single RB401 S4 module?
A: A single module provides onboard hardware support for 16 analog inputs, 8 analog outputs, 8 digital inputs, and 4 digital outputs.
Q: What supply voltage is required to power the RB401 S4 module?
A: The module operates on an input voltage requirement of 24 VDC.
Field Installation Guidelines
- Mount the RB401 S4 module securely into the designated rack slot, ensuring retaining screws are tightened to maintain structural integrity under vibration.
- Ensure ambient cabinet temperature is maintained within the operating range of -20 to 60 deg C.
- Wire power connections using 24 VDC supply lines with verified polarity before energizing the module.
- Terminate Modbus TCP/IP industrial Ethernet cables with shielded RJ45 connectors and route network cables away from high-voltage field wiring to prevent signal noise.
- Connect all field signal cable shields to the main cabinet ground bus to preserve channel-to-channel galvanic isolation performance.
YOKOGAWA RB401 S4 Remote I/O Modules
YOKOGAWA RB401 S4 Remote I/O Modules
The Yokogawa RB401 S4 , also cataloged as the RB401 RIO Bus Module, operates as a dedicated hardware component for remote I/O communication and signal routing within CENTUM VP platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | RB401 S4 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.3 kg (0 lbs 9.0 oz) |
| Dimensions | 2.5 cm x 25.4 cm x 20.3 cm (1.0 in x 10.0 in x 8.0 in) |
| Operating Temp | -20 to 60 deg C |
| Power Consumption | 24 VDC input voltage |
| Communication Interface | Modbus TCP/IP |
| Analog Inputs | 16 channels |
| Digital Inputs | 8 channels |
| Analog Outputs | 8 channels |
| Digital Outputs | 4 channels |
| Mounting Type | Rack mount |
Channel-to-Channel Isolation & Fieldbus Data Routing
The RB401 S4 provides deterministic communication bridging between remote field stations and central processing units via Modbus TCP/IP protocols over Ethernet. Integrated channel-to-channel isolation on analog and digital I/O lines prevents cross-channel noise propagation and ground loop potential differences. Onboard signal processing paths maintain low transmission latencies and preserve 4-20 mA HART signal integrity across distributed control networks.
Frequently Asked Questions
Q: What communication protocols are supported on the network interface of the RB401 S4?
A: The module features an Ethernet interface supporting standard industrial Modbus TCP/IP protocol for integration into plant control networks.
Q: What is the total I/O capacity managed by a single RB401 S4 module?
A: A single module provides onboard hardware support for 16 analog inputs, 8 analog outputs, 8 digital inputs, and 4 digital outputs.
Q: What supply voltage is required to power the RB401 S4 module?
A: The module operates on an input voltage requirement of 24 VDC.
Field Installation Guidelines
- Mount the RB401 S4 module securely into the designated rack slot, ensuring retaining screws are tightened to maintain structural integrity under vibration.
- Ensure ambient cabinet temperature is maintained within the operating range of -20 to 60 deg C.
- Wire power connections using 24 VDC supply lines with verified polarity before energizing the module.
- Terminate Modbus TCP/IP industrial Ethernet cables with shielded RJ45 connectors and route network cables away from high-voltage field wiring to prevent signal noise.
- Connect all field signal cable shields to the main cabinet ground bus to preserve channel-to-channel galvanic isolation performance.
