The IS230SNHRH2A is a high-performance Servo Node module designed for the GE Mark VIe Distributed Control System (DCS). This unit functions as a specialized interface for controlling hydraulic servo valves and capturing precise position feedback from Linear Variable Differential Transformers (LVDTs). The "SNHR" variant incorporates HART (Highway Addressable Remote Transducer) protocol support, allowing for advanced digital diagnostics over standard 4-20 mA analog loops. Built for mission-critical turbine applications, the IS230SNHRH2A ensures deterministic, sub-millisecond control of fuel valves and steam nozzles, maintaining high stability through dual-path network redundancy.
The IS230SNHRH2A is engineered to meet utility-grade standards for power generation and heavy industrial control.
| Feature | Detailed Specification |
| Manufacturer | GE Fanuc (General Electric) |
| Model Number | IS230SNHRH2A |
| System Compatibility | Mark VIe Control Systems |
| Function | Servo Node with HART Analog I/O |
| Servo Channels | 2 Bi-directional channels (typically) |
| Feedback Support | LVDT (2-wire/3-wire), RVDT, 4-20 mA HART |
| Excitation Frequency | 3.2 kHz (Standard LVDT excitation) |
| Nominal Voltage | 28 VDC (Range: 18 VDC to 32 VDC) |
| Power Consumption | 10 W to 15 W |
| Communication | Dual 100 Mbps Ethernet (IONet) |
| Isolation | 1500 Vrms Galvanic Isolation |
| Operating Temp | -40 °C to +70 °C (-40 °F to +158 °F) |
| Humidity | 5% to 95% non-condensing |
| Dimensions | 260 mm x 180 mm x 60 mm |
| Weight | 0.6 kg |
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