Product Overview
The Yokogawa SDV144-S33/PRP works as a digital input module for Yokogawa control systems. This unit reads contact and voltage signals from field switches and relays. Consequently, plant engineers capture accurate status data for sequential and interlock logic.
Technical Specifications
| Parameter | Detail |
|---|---|
| Model | SDV144-S33/PRP |
| Brand | Yokogawa |
| Category | Digital Input Module |
| Compatible Systems | CENTUM VP, CENTUM CS 3000 |
| Input Channels | 16 digital inputs |
| Input Signal Type | 24 V DC contact or voltage |
| Input Voltage Range | 20 to 26 V DC |
| Response Time | 10 ms maximum |
| Isolation | Channel-to-system isolation |
| Weight | Approximately 0.4 kg |
| Dimensions | 32.8 mm × 107.5 mm × 130 mm |
| Operating Voltage | 24 V DC nominal |
| Power Consumption | Approximately 4 W |
| Operating Temperature | 0°C to +50°C |
| Storage Temperature | -20°C to +70°C |
| Mounting Style | Rack-mounted card |
| Component Count | One module, one terminal block |
| Energy Storage | Not applicable (line-powered module) |
Design and Construction
This module occupies one slot in a standard I/O rack, which conserves cabinet space. Additionally, the front panel carries channel LEDs, so technicians verify input status instantly. The terminal block accepts shielded wiring, which reduces electrical noise. Moreover, the housing shields internal circuits from dust and vibration.
Compatibility and Installation
This card pairs with CENTUM VP controllers and Yokogawa I/O nests. During commissioning, engineers should confirm voltage levels, because out-of-range signals cause false readings. Furthermore, the module supports hot-swap replacement in redundant configurations. The 24 V DC supply keeps cabinet wiring simple and consistent.
Key Benefits
Process plants value this module for its fast response and channel isolation. As a result, it protects controllers from field voltage spikes and ground loops. This model also handles sixteen channels per slot for dense installations. Ultimately, its reliable performance reduces downtime and maintenance costs.
Details
| Weight | 0.35 kg |
|---|---|
| Dimensions | 120 × 52 × 125 mm |



Reviews
There are no reviews yet.