ABB Speed Input Module | HESG447427R0001 70EI05A‑E

Product Description

The ABB HESG447427R0001 70EI05A‑E is a high-precision speed input module designed for industrial automation and distributed control systems. It captures accurate speed measurements from turbines, motors, and other rotating machinery, transmitting the data directly to ABB DCS systems, including ABB Ability™ 800xA.

Engineered for harsh industrial environments, this module delivers robust performance with fast response times and high resolution. Moreover, it supports both current (4–20 mA) and voltage (0–10 V) inputs, ensuring compatibility with a wide range of sensors. Therefore, operators can rely on consistent, precise data for real-time control and safety-critical monitoring.

In addition, its compact form factor allows easy integration into AC800M, AC800F, and AC31 controllers, making it suitable for process automation, turbine control, and industrial machinery monitoring. Its high accuracy and rapid response enhance operational efficiency and system reliability across demanding applications.

Technical Specifications

• Model: HESG447427R0001

• Series: 70EI05a‑e

• Type: Speed Input Module

• System Compatibility: AC800M, AC800F, AC31 controllers; ABB Ability™ 800xA DCS

• Input Types: 4–20 mA current, 0–10 V voltage

• Input Range: -20 mA to +24 mA; -10 V to +10 V

• Accuracy: ±0.2% of full scale

• Resolution: 0.1% of full scale

• Response Time: <20 ms

• Operating Temperature: -40°C to +70°C

• Storage Temperature: -55°C to +85°C

• Dimensions (W × H × D): 110 × 22.5 × 35 mm

• Weight: 150 g

• Country of Origin: United States / Switzerland

• Customs Tariff Code: 85352100

• Application Areas: Speed measurement, turbine monitoring, rotating machinery, industrial automation

FAQ

Q1: What is the HESG447427R0001 module used for?
A1: It measures rotational speed and sends accurate data to ABB DCS for process control.

Q2: What input signals does this module support?
A2: It supports both 4–20 mA current and 0–10 V voltage sensor signals.

Q3: Can it operate in extreme environments?
A3: Yes, it functions reliably from -40°C to +70°C with robust industrial design.

Q4: Which ABB systems are compatible with this module?
A4: AC800M, AC800F, AC31 controllers, and ABB Ability™ 800xA DCS.

Q5: Is it suitable for turbine and rotating machinery applications?
A5: Absolutely, it provides high-precision speed monitoring for turbines and machinery.