YS150 S3 Controller | Yokogawa ProSafe‑RS & CENTUM VP

Yokogawa YS150-012/A31 Style S3 Multifunction Controller – Product Description

Overview

The Yokogawa YS150-012/A31 Style S3 multifunction controller is engineered for precise monitoring and control in safety-critical environments. It integrates seamlessly with ProSafe‑RS safety instrumented systems (SIS) and CENTUM VP distributed control systems (DCS). Moreover, the controller provides reliable signal processing, diagnostics, and robust isolation to ensure uninterrupted operation in harsh industrial conditions.

Technical Specifications

Electrical & I/O

• Input Types: Analog and digital signals

• Output Types: Relay, transistor, or voltage signals depending on configuration

• Signal Isolation: Channel-to-channel and system-to-channel isolation

• Accuracy: ±0.1% of full scale (typical)

• Response Time: ≤10 ms for digital outputs

Performance & Diagnostics

• Reliability: Continuous operation in SIL2/SIL3 environments

• Diagnostics: LED indicators, error detection, and self-test features

• Redundancy: Supports dual redundant operation for fault-tolerant systems

Mechanical

• Mounting: Rack-mounted or panel-mount options available

• Dimensions (W × H × D): 130 × 130 × 32 mm

• Weight: 0.5–0.7 kg

• Cooling: Natural convection

• Protection: IP20

Communication & Integration

• Interface: Proprietary Yokogawa bus for ProSafe‑RS or CENTUM VP systems

• Compatibility: Fully compatible with ProSafe‑RS and CENTUM VP architectures

• Configuration: Managed via Yokogawa engineering and safety tools

Environmental & Compliance

• Operating Temperature: 0 °C to +55 °C

• Storage Temperature: −20 °C to +70 °C

• Relative Humidity: 5–95% non-condensing

• Certifications: CE, UL, CSA, IEC 61508 SIL2/SIL3 compliant

• Origin: Manufactured in Japan

FAQ

Q1: What type of signals does YS150-012/A31 Style S3 support?
It supports both analog and digital inputs and outputs for versatile process control.

Q2: Is this controller suitable for SIL3 applications?
Yes, it is compliant with IEC 61508 SIL2/SIL3 safety standards.

Q3: Can the module operate redundantly?
Yes, it supports dual redundant configurations for mission-critical installations.

Q4: What is the typical response time for digital outputs?
The controller provides ≤10 ms response time for digital output channels.

Q5: Which systems is this controller compatible with?
It integrates seamlessly with Yokogawa ProSafe‑RS SIS and CENTUM VP DCS architectures.