Description
Product Technical Parameters
| Feature | Specification |
|---|---|
| Brand | YOKOGAWA |
| Model | SED4D-11 S1 |
| System | CENTUM VP / CENTUM CS 3000 |
| Type | Terminal Board for Digital Input/Output |
| Connection Type | Pressure clamp terminal / Screw terminal |
| Number of Channels | 16-Channel |
| Suffix Code | S1 (Standard type) |
| Mounting | DIN Rail or Wall Mount |
Product Datasheet
| Attribute | Details |
|---|---|
| Dimensions | 13.5 cm x 11.5 cm x 5.5 cm |
| Weight | 0.48 kg (approx. 1.06 lbs) |
| Country of Origin | Japan |
| Rated Voltage | 24 VDC |
| Insulation Resistance | 100 MΩ or more (500 VDC) |
| Operating Temperature | -20°C to +70°C |
| Humidity | 10% to 90% RH (non-condensing) |
Application Fields
The SED4D-11 S1 is a core interface component within the Yokogawa Distributed Control System (DCS). Primary applications include:
- Digital signal marshaling in CENTUM VP control stations.
- Interfacing field switches and sensors with I/O modules.
- Power and chemical plant automation systems.
- Petrochemical refinery signal distribution.
- Industrial process safety and monitoring grids.
Product Instructions
- Mounting: Secure the SED4D-11 S1 onto a standard 35mm DIN rail. Ensure there is sufficient clearance for signal cables and proper airflow within the cabinet.
- Signal Connection: Connect the field wires to the pressure clamp terminals. Use a dedicated cable (such as KS1 or KS2) to link the terminal board to the corresponding Yokogawa I/O module.
- Grounding: Connect the functional ground terminal to the system ground bus to ensure signal integrity and protection against electromagnetic interference.
- Maintenance: Regularly check the terminal screws for tightness, particularly in environments subject to vibration. Ensure the connection to the I/O cable is locked in place.
Product Q&A
Q: What is the difference between the SED4D-11 and the S1 suffix? A: The SED4D-11 is the base model number for the terminal board series. The “S1” suffix indicates a specific standard configuration or hardware revision as defined by Yokogawa technical standards.
Q: Can this terminal board be used with third-party I/O modules? A: It is specifically designed for Yokogawa CENTUM systems and uses proprietary cable interfaces. Use with non-Yokogawa equipment is not recommended and may require custom adapters.
Q: Does this board support redundant configurations? A: While the board itself provides physical termination, redundancy is typically managed at the I/O module level. The SED4D-11 S1 can be wired to support dual-redundant I/O signals depending on the system architecture.
Q: How do I troubleshoot a signal loss at the terminal? A: Check the continuity of the field wiring first. If the field signal is present at the terminal but not in the DCS, verify the integrity of the KS cable connection between the board and the I/O module.
Similar Models Recommendation
- YOKOGAWA SED4D-11 S2
- YOKOGAWA SEA4D-11
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- YOKOGAWA TE16-11
- YOKOGAWA TAS40-00
