Yokogawa YS1700 S2 Programmable Single-Loop Controller

Overview

The Yokogawa YS1700 S2 is a robust programmable single-loop controller designed for reliable process control. It supports both text-based and function block programming. With dual CPUs, modular I/O, and IP54-rated protection, it suits a wide range of industrial applications including temperature, pressure, and flow control.

Technical Specifications

• Model: YS1700 S2

• Display: Full-dot color TFT LCD, sunlight-readable

• Programming Methods:

  • Text-based: Up to 1000 steps

  • Function block: Up to 400 modules

• Control Modes:

  • Single-loop

  • Cascade

  • Selector control (no programming required)

• I/O Capacity (Expandable):

  • 8 Analog Inputs (AI)

  • 4 Analog Outputs (AO)

  • 10 Digital Inputs (DI)

  • 10 Digital Outputs (DO)

  • Up to 14 configurable DI/DO

• Power Supply:

  • 100–240 V AC

  • 24 V DC (polarity-free)

• Communication Options:

  • Ethernet (MODBUS/TCP)

  • RS485 (Modbus, YS protocol, PC link)

• Memory Backup: Non-volatile memory (no battery required)

• Fail-Safe Features:

  • Dual CPU (control and display)

  • Manual operation via hardware circuit

• Mounting Depth: 250 mm

• Front Panel Protection: IP54

• Software Support: YSS1000 setting software

• Operating Temperature: –10°C to +50°C

• Atmospheric Pressure: 86 to 106 kPa