Overview
The Yokogawa SDV144-S13 S1, also cataloged as the SDV144-S13 Digital Input Module, provides isolated digital signal acquisition for Yokogawa CENTUM control system I/O configurations. It processes 24 V DC field input signals through 16 isolated input channels with module-level electrical separation.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | SDV144-S13 S1 |
| Brand | Yokogawa |
| Product Type | Digital Input Module |
| Origin | Japan |
| Weight | 0.4 kg |
| Dimensions | 3.8 cm x 11.4 cm x 13 cm |
| Input Channels | 16 channels |
| Input Type | Digital input, isolated |
| Input Signal Voltage | 24 V DC +20 % / -10 % |
| Input Current | 6 mA +/- 20 % |
| Minimum Input Current | 10 mA or greater |
| Output Current Capacity | 200 mA |
| Maximum Voltage Rating | 30.0 V DC |
| Response Time | 40 ms maximum |
| Isolation Voltage | 2 kV AC between input signal and system for 1 minute |
| Input Connection | 16-input line collectively connected |
Channel-to-Channel Isolation and DCS Signal Processing
The SDV144-S13 S1 applies isolated digital input processing for Yokogawa DCS I/O systems. Therefore, each field contact signal receives electrical protection through module isolation between the input circuit and the system side.
The module accepts 24 V DC discrete signals and converts field contact states into controller-readable input data. Additionally, the 16-channel design supports compact signal concentration for digital field devices.
Frequently Asked Questions
Q: What type of field signals can the SDV144-S13 S1 process?
A: The module processes 24 V DC digital input signals with a nominal input current of 6 mA +/- 20 %.
Q: Does the SDV144-S13 S1 provide electrical isolation?
A: Yes. The module provides isolation between the input signal circuit and the system circuit with a rated isolation voltage of 2 kV AC for 1 minute.
Q: How many input points are available on this module?
A: The SDV144-S13 S1 provides 16 digital input channels with collective input line connection.
Field Installation Guidelines
Install the SDV144-S13 S1 according to the Yokogawa I/O mounting specifications and approved system configuration procedures.
Verify field wiring polarity before energizing the module. Keep digital input cables separated from high-voltage power lines to reduce electrical interference.
Connect cable shields according to the plant grounding standard. Confirm that terminal connections maintain proper insulation clearance and that field devices match the module input voltage requirements.
Before commissioning, check each input channel state from the DCS engineering interface and confirm correct signal response from connected field devices.
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