1、 Core functions

Servo drive: Output ± 10V DC analog signal, with a maximum current of ± 50mA per channel, directly driving the electro-hydraulic servo valve (EHV).

LVDT feedback acquisition: 2.5kHz sine wave excitation, differential input, real-time acquisition of valve core position signal, forming closed-loop control.

Closed loop control: step response<10ms, control accuracy ≤ ± 0.1% FS, suitable for dynamic working conditions such as gas turbine start stop and load sudden changes.

System compatibility: As the core component of the I/O Pack, it supports hot plugging, channel redundancy, online diagnostics, and is compatible with ToolboxST software operation and maintenance.

2、 Key parameters

Working voltage: 24V DC, maximum power consumption of 8.5W

Working temperature: -40 ℃~+70 ℃

Size and weight: 14.7 × 5.15 × 11.4cm, approximately 0.6kg

Communication interfaces: High speed serial link (HSSL), fiber optic interface

Installation method: CompactPCI rack, double-sided PCB design

3、 Application scenarios

Gas turbine control: precise control of fuel valves, IGV guide vanes, hydraulic actuators

Power generation/oil and gas/chemical industry: steam turbine, compressor, pump servo circuit

Industrial automation: high-precision position, flow, and pressure closed-loop control system

4、 Product advantages

High speed and high precision: millisecond level response, one ten thousandth level accuracy, ensuring efficient and low emission of the gas turbine

Industrial reliability: wide temperature range, anti-interference, redundant design, suitable for harsh working conditions

Seamless compatibility: Mark VI/VIe native adaptation, easy maintenance, and strong stability