Product Description
High-Integrity Relay Control Architecture
The GE IS230SNRLH2A (Part Number IS230SNRLH2A) functions as a critical output interface within the Mark VIe distributed control system (DCS). This module is engineered to bridge the gap between low-level control logic and high-power field devices, such as solenoid valves, motor starters, and hydraulic actuators. By utilizing mechanical relay isolation, the IS230SNRLH2A protects the sensitive control electronics from back-EMF and electrical noise common in heavy industrial environments.
As part of the Mark VIe I/O subsystem, the module communicates over the proprietary IONet, an Ethernet-based deterministic network. The unit is specifically configured for DIN rail mounting, allowing for flexible installation within control cabinets or remote I/O enclosures. Its dual-redundant communication paths ensure that control signals remain active even if one network branch is compromised, which is vital for gas and steam turbine safety.
Comprehensive Technical Specifications
The following table summarizes the operational and hardware parameters for the IS230SNRLH2A relay module.
| Parameter | Specification |
| Manufacturer | General Electric (GE) |
| Model / Part Number | IS230SNRLH2A |
| System Compatibility | GE Mark VIe / Mark VIeS |
| Output Type | Electromechanical Relay Outputs |
| Output Channels | 12 to 16 Channels (configuration dependent) |
| Contact Rating | 2 A at 24 V DC / 48 V DC |
| Input Voltage | 28 V DC Nominal (via backplane) |
| Power Consumption | 10 W to 15 W Typical |
| Isolation | Galvanic Isolation (Channel-to-Bus) |
| Network Interface | Dual 100Base-TX Ethernet (IONet) |
| Mounting | Standard 35mm DIN Rail |
| Operating Temperature | 0 °C to +60 °C |
| Shipping Weight | 2.0 kg |
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