Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | SBD2D-0 |
| Brand | Yokogawa |
| Product Type | Digital Terminal Board |
| System Compatibility | ProSafe-RS |
| Module Function | Digital output DIN rail mount terminal board |
| Channel Configuration | 4-channel x 4 output connection for SDV521 |
| Redundancy Configuration | Single and dual-redundant configuration support |
| Terminal Connection | M4 screw terminal |
| Withstanding Voltage | 2000 VAC for one minute |
| Compatible Module | SDV521 |
| Terminal Adapter | AKB651 |
| Protection Option | ISA Standard G3, with or without explosion protection |
| Origin | Japan |
| Weight | 2.3 kg |
| Power Consumption | Passive terminal board, no external power consumption |
Yokogawa ProSafe-RS Digital Signal Termination Characteristics
The Yokogawa SBD2D-0 provides direct field wiring termination for SDV521 digital output modules within the ProSafe-RS safety control architecture. The board uses isolated terminal connections to organize output channels between the safety controller side and external devices.
Additionally, the terminal board supports single and dual-redundant configurations. The M4 screw terminal design allows fixed field cable installation and maintains mechanical retention during continuous operation.
The SBD2D-0 follows Yokogawa process safety hardware practices, including channel-to-channel isolation considerations for safety-related digital output circuits. The terminal interface supports structured cabinet wiring and reduces direct connection complexity between I/O modules and field devices.
Frequently Asked Questions
Q: What Yokogawa module connects directly with the SBD2D-0 terminal board?
A: The SBD2D-0 connects with the SDV521 digital output module and provides field-side terminal access.
Q: Does the SBD2D-0 require an external power supply?
A: No. The SBD2D-0 is a passive terminal board and does not require independent power input.
Q: Can the SBD2D-0 be used in redundant ProSafe-RS configurations?
A: Yes. The board supports both single and dual-redundant configurations according to the specified system arrangement.
Field Installation Guidelines
- Install the SBD2D-0 on a suitable DIN rail mounting structure inside the control cabinet.
- Verify terminal assignment before connecting field output wiring to prevent channel mismatch.
- Use proper cable segregation between safety-related digital output wiring and high-energy circuits.
- Connect cable shields according to the cabinet grounding design and site electrical standards.
- Confirm terminal screw tightness after wiring installation to maintain stable electrical contact.
- Check compatibility between the terminal board, SDV521 module configuration, and ProSafe-RS hardware design before commissioning.
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