Overview
The IMHSS03 Hydraulic Servo Module is a valve position control module designed for the INFI 90® system, primarily used to regulate turbine speed. It interfaces a servo valve or an I/H converter with an IMMFP01, IMMFP02, or IMMFP03 Multi-Function Processor (MFP) Module.
The MFP module manages the position of steam or gas turbine throttle valves by sending position demands to the HSS module. In response, the IMHSS03 drives its outputs to open or close the throttle valve, ensuring accurate alignment with the demand signal. Turbine speed is measured through the IMFCS01 Frequency Counter Module, which counts pulses from a magnetic pickup on the turbine shaft. The MFP then calculates turbine speed and generates new demands based on the set point.
The IMHSS03 is a direct, compatible replacement for the IMHSS01 and IMHSS02 modules, offering enhanced performance. It features automatic demodulator gain tuning, providing faster response and improved system stability.
Specification
| Parameter | Specification |
|---|---|
| Model Number | IMHSS03 |
| Manufacturer | ABB / Bailey Controls |
| Product Category | Hydraulic Servo Module |
| Compatible System | Bailey Infi-90 / Net 90 |
| Control Function | Servo control for hydraulic actuators |
| Input Signal Range | ±10 V analog input |
| Output Drive Capability | Proportional hydraulic servo drive |
| Dimensions | Approx. 300 mm × 250 mm × 40 mm (11.8 × 9.8 × 1.6 in) |
| Weight | ~1.5 kg (3.3 lb) |
| Mounting Method | Standard rack mount |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | –40°C to +85°C |
| Relative Humidity | 5%–95% non-condensing |
| Construction Material | Industrial-grade PCB with reinforced connectors |
FAQ
Q1: Is the ABB IMHSS03 module brand new and original?
A1: Yes, we only provide 100% new and factory-original IMHSS03 modules.
Q2: How long does shipping usually take?
A2: Orders typically ship within 3 days to 2 weeks depending on order size and logistics.
Q3: Which courier services are available for delivery?
A3: We commonly use DHL, FedEx, or UPS based on customer preference.
Q4: What type of input signals does the IMHSS03 support?
A4: It supports ±10 V analog input signals for servo control.
Q5: What if the module develops quality issues after installation?
A5: We offer a 30-day return policy for verified product quality concerns.
Manual/Datasheet PDF
IMHSS03 ABB Bailey Hydraulic Servo Module DATASHEET
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