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ABB IMHSS03 Overview
The ABB IMHSS03 is an intelligent hydraulic servo module used in the ABB Harmony (or Bailey Infi 90) control system. It is designed for industrial automation applications and provides high-precision control of hydraulic valves or I/H (electro-hydraulic) converters. The module integrates a microprocessor, memory, and communication circuits, enabling multi-dimensional closed-loop feedback—including position, speed, and force—to improve system responsiveness and reliability.
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1. Main Functions and Features
| Function / Feature |
Description |
| Hydraulic Servo Control |
Precisely adjusts hydraulic valve positions to achieve high-speed, accurate control of hydraulic actuators. |
| Multi-Channel |
Three independent control channels, each supporting up to 10 A output current. |
| Built-in Diagnostics & Feedback |
Provides position, speed, and force feedback; supports self-diagnostics and safety protection. |
| Communication Interfaces |
Supports RS-485, Modbus TCP/IP, and other industrial protocols for easy integration into fieldbus or Ethernet networks. |
| Protection Rating |
IP67 dustproof and waterproof, suitable for harsh industrial environments. |
| Power Consumption & Size |
Power consumption < 100 W; dimensions approx. 224 mm × 168 mm × 80 mm; weight approx. 2 kg. |
| Operating Temperature |
–20 °C to +60 °C, meeting the requirements of most industrial sites. |
| Compatibility |
Can be directly installed in ABB Harmony / Bailey Infi 90 systems; supports PROFIBUS, DP, MODBUS, and other protocols. |
2. Typical Applications
CNC machine tools
Plastic injection molding machines
Stamping machines and die-casting equipment
Packaging machinery
Robots and flexible manufacturing systems
Steam/gas turbine valve control (e.g., throttle valves)
These applications require high precision, fast response, and high reliability. The IMHSS03, with its intelligent control and diagnostic functions, significantly improves equipment efficiency and service life.
3. Technical Specifications (Selected)
| Item |
Parameter |
| Power Supply Voltage |
24 V DC ±20% |
| Input Current |
Max. 5 mA (signal side) |
| Max. Current per Channel |
10 A |
| Number of Channels |
3 |
| Power Consumption |
< 100 W |
| Protection Rating |
IP67 |
| Dimensions |
224 mm × 168 mm × 80 mm |
| Weight |
Approx. 2 kg |
| Communication Interfaces |
RS-485, Modbus TCP/IP, PROFIBUS, DP, etc. |
| Operating Temperature |
–20 °C to +60 °C |
(The above data is compiled from multiple ABB distributors and technical documents.)
Conclusion
The ABB IMHSS03 is a high-performance, intelligent hydraulic servo module designed for industrial automation systems requiring precise hydraulic control. With multi-channel output, comprehensive communication options, and an IP67 protection rating, it enhances control accuracy and reliability across various applications such as machine tools, packaging equipment, and robotics.

Inventory//Affordable prices//Excellent quality//Imported with original packaging
If you have any question pls do not hesitate to contact us. We can supply all kind of the automation parts,
If you want to purchase parts pls send the parts model to my mail.
If you have any question pls do not hesitate to contact us. We can supply all kind of the automation parts,
If you want to purchase parts pls send the parts model to my mail or add my WhatsApp.
Welcome to inquire, we are always at your service!!!