



Introduction
The Yokogawa YS170-012 S3 is a member of the YS100 Series of indicating controllers, known for their exceptional reliability, long lifecycle, and strong performance in process automation. This model integrates advanced control algorithms, precise indication, and stable analog I/O handling, making it a trusted component in refineries, chemical plants, power generation, and general industrial process environments.
Its architecture is built for long-term service, offering excellent stability even under severe environmental or electrical noise conditions.
Technical Specifications
| Specification | Description |
|---|---|
| Device Type | Indicating Controller / PID Controller |
| Display | High-contrast LCD with configurable indication |
| Control Algorithms | PID, ON/OFF, cascade, manual/auto switching |
| Inputs | Universal analog input (mA, V, RTD, TC depending on configuration) |
| Outputs | Relay, 4–20 mA, or voltage output (model-dependent) |
| Power Supply | 100–240 V AC, 50/60 Hz |
| Communication | Optional RS-485 (Modbus) depending on build |
| Environmental Resistance | High noise immunity; industrial-grade stability |
| Dimensions | 96 × 96 × 150 mm (H × W × D) |
| Weight | 1.2 kg |
| Mounting | Panel-mounted, rear terminal connection |
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