Product Description

Overview

The Woodward 8237‑1246 ProTech‑GII is a high-performance overspeed protection device designed for turbines and rotating machinery. It combines digital speed control, triple-modular redundancy, and advanced diagnostics to provide precise monitoring and rapid shutdown in overspeed events. Moreover, its robust design ensures reliable operation in harsh industrial environments.

Technical Specifications

• Model Number: 8237‑1246

• Series: ProTech‑GII Overspeed Protection

• Type: Digital Speed Controller / Overspeed Protection

• Processor: 32‑bit high-performance microprocessor

• Speed Sampling Frequency: 1 kHz

• Speed Control Accuracy: ±0.01% (steady-state)

• Response Time: ≤10 ms step response; overspeed shutdown within milliseconds

• Control Algorithms: PID with auto-tuning; optional fuzzy logic

• Relay Outputs: Dual redundant or independent relay outputs

• Communication Interfaces: Modbus (remote monitoring and diagnostics)

• Input Voltage: 90–264 V AC

• Enclosure Type: IP56 (dust/water resistant)

• Vibration Resistance: 0.04 G²/Hz, 1.04 Grms, 10–500 Hz

• Dimensions (H × W × D): 330 × 486 × 153 mm

• Weight: 7 kg

• Operating Temperature: –20 °C to +60 °C

• Storage Temperature: –40 °C to +85 °C

• Certifications: CE, UL, CSA, TUV

• Country of Origin: USA

FAQ

Q1: What is the main purpose of the 8237‑1246?
A: It provides overspeed detection and protection for turbines and engines.

Q2: How fast does the device respond to overspeed events?
A: It shuts down equipment within milliseconds to prevent damage.

Q3: Is remote monitoring possible?
A: Yes, the device supports Modbus communication for remote diagnostics.

Q4: Can it operate in harsh industrial environments?
A: Yes, it features IP56 protection and sulfur contamination resistance.

Q5: What redundancy features does the module have?
A: Triple-modular redundancy ensures continuous operation even if one module fails.