Description
Product Specifications
- Origin: United States (USA)
- Weight: 2.15 lbs (0.98 kg)
- Dimensions: 7.50 x 3.00 x 5.25 inches
- Network Speed: 10/100 Mbps (Auto-negotiating, Full Duplex)
- Port Configuration: 8 copper RJ-45 ports
- Input Voltage: 18 to 30 VDC (24 VDC nominal)
- Mounting: DIN-rail or baseplate mounting options
The GE IS230TNCIH4C is a robust industrial Ethernet switch module engineered for the Mark VIe control system’s internal I/O network (IONet). It functions as the critical communication link between the system’s controllers and the distributed I/O packs, ensuring deterministic, real-time data transmission. Designed for the “hardened” requirements of power plants, the TNCI features specialized circuitry to handle the high electromagnetic interference (EMI) and temperature fluctuations typically found in turbine control cabinets. This module facilitates the redundant network topology necessary for mission-critical operations, allowing for fault-tolerant data routing that prevents system trips in the event of a localized cable or port failure.
GE IS230TNCIH4C
GE IS230TNCIH4C
GE IS230TNCIH4C
Model Comparison: IS230TNCIH4C vs. Similar Models
The IS230TNCIH4C is a higher-density variant compared to the 6-port IS230SNCIH6A, providing two additional RJ-45 ports for expanded I/O pack connectivity. The “TNCI” designation typically refers to a specific hardware form factor used in larger Mark VIe cabinet configurations, whereas the “SNCI” is often found in compact or localized clusters. The “H4C” revision level indicates a mature hardware iteration that includes upgraded internal power regulation and improved port isolation compared to earlier “H1” or “H2” versions, making it more resilient against voltage spikes on the 24V DC supply line.
Operational Guidelines
- Power Connection: For maximum availability, wire the dual power inputs to separate 24V DC sources to ensure the switch remains active during a power supply failure.
- Cable Shielding: Utilize high-quality STP (Shielded Twisted Pair) Cat5e cables and ensure the metal RJ-45 shells are properly seated to maintain the system’s ground integrity.
- Ambient Airflow: While the unit is fanless, ensure that it is mounted vertically on the DIN rail with at least 2 inches of clearance to allow for natural convection cooling.
- Port Diagnostics: Regularly check the link/activity LEDs; a solid amber light may indicate a speed mismatch or a cable fault that could compromise network redundancy.
