The GE IS230SNRLH2A, also cataloged as the IS230SNRL Relay Output Node, operates as a dedicated hardware component for electromechanical relay switching within GE Mark VIe Control platforms. It processes digital output commands from central controllers to execute physical contact closure across 12 to 16 output channels for solenoid valves, motor starters, and auxiliary actuators. Dual 100Base-TX IONet interfaces handle real-time Ethernet network updates to maintain continuous channel state synchronization across single, dual, or triple redundant control configurations.
| Parameter | Specification |
|---|---|
| Model | IS230SNRLH2A |
| Brand | General Electric (GE) |
| Origin | USA |
| Weight | 2.00 kg |
| Dimensions | Standard Mark VIe modular block footprint |
| Operating Temp | 0 to +60 deg C |
| Power Consumption | 10 W to 15 W (state dependent) |
| Input Voltage | 24 VDC nominal (18 to 30 VDC operating range) |
| Output Channels | 12 to 16 Relay Output Channels |
| Output Type | Electromechanical Relays (Form-A and Form-C configurations) |
| Contact Rating | 2.0 A at 24 VDC or 48 VDC (Resistive) |
| Network Interface | Dual 100Base-TX RJ-45 (IONet) ports |
| Isolation | Galvanic channel-to-logic isolation |
| Mounting | Standard 35 mm DIN rail |
The GE IS230SNRLH2A executes deterministic network polling over dual redundant 100Base-TX IONet ports linked directly to central Mark VIe processing units. Internal communication hardware supports high-velocity packet transmission, allowing relay coil drive signals and feedback diagnostics to process without introducing loop latency. Firmware flash compatibility ensures synchronized relay state execution, cross-channel voting verification, and continuous link status validation across Simplex, Dual, and Triple Modular Redundant (TMR) system topologies.
Q: Does the module support online replacement while the system remains powered?
A: Yes, power down the field output terminal circuits prior to servicing, then unclip the module housing from the 35 mm DIN rail and disconnect the dual IONet cables. The dual 24 VDC power feeder terminal block can be detached to swap the hardware unit while adjacent system nodes remain operational.
Q: How does the internal logic handle network port degradation on IONet?
A: The onboard network controller continuously monitors packet integrity on both 100Base-TX interfaces. If a link failure occurs on primary IONet channel A, the unit automatically routes command execution and state reporting through secondary IONet channel B without dropping relay coil holding voltage.
Mount the chassis vertically onto a standard 35 mm DIN rail inside a protective NEMA 4 or IP54 industrial enclosure. Maintain a minimum vertical clearance of 50 mm above and below the housing to allow natural convective heat dissipation across the ambient temperature range of 0 to +60 deg C.
Route field load wiring away from low-voltage communication paths to avoid electromagnetic interference. Terminate 24 VDC power and field load connections using stranded copper conductors with wire ferrules tightened to manufacturer torque ratings. Connect dual 100Base-TX Ethernet cables to the primary and secondary IONet RJ-45 ports. Attach a dedicated, low-impedance ground bonding strap from the chassis earth ground lug directly to the central cabinet earth bus bar prior to applying 24 VDC control power.
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