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The GE IS410TRLYS1B is a 16-channel relay output module designed for the GE Fanuc VersaMax I/O platform, widely used in industrial automation systems requiring robust, isolated switching of AC or DC loads. As part of the IS400 series of intelligent I/O modules, the GE IS410TRLYS1B provides discrete control over devices such as solenoid valves, motor contactors, indicator lamps, and alarm horns—making it indispensable in applications where solid-state outputs are unsuitable due to voltage spikes, inductive kickback, or the need for true electrical isolation. Each channel features a Form C (SPDT) electromechanical relay capable of switching up to 2 A at 250 VAC or 30 VDC, offering versatility across global voltage standards.
Engineered for reliability in demanding environments, the GE IS410TRLYS1B integrates per-channel LED status indicators, removable terminal blocks, and full galvanic isolation between field circuits and the internal logic bus. It communicates seamlessly with VersaMax CPUs (such as the IC695CPU320) and can also be deployed in hybrid architectures with RX3i controllers via the Genius I/O network. Despite being part of a legacy product line, the GE IS410TRLYS1B remains a critical spare in thousands of operational systems across water treatment, packaging, material handling, and manufacturing facilities—valued for its mechanical robustness, long service life, and plug-and-play compatibility without firmware dependencies.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | IS410TRLYS1B |
| Manufacturer | GE (General Electric / GE Fanuc) |
| Product Type | Relay Output Module – VersaMax IS400 Series |
| Number of Channels | 16 |
| Relay Type | Form C (SPDT – Single Pole Double Throw) |
| Contact Rating | 2 A @ 250 VAC / 30 VDC (resistive load) |
| Electrical Isolation | 1500 Vrms between field and logic |
| Switching Voltage Range | 5–250 VAC, 5–30 VDC |
| LED Indicators | One per channel (ON = output energized) |
| Terminal Type | Removable screw-type terminal block (field wiring) |
| Mounting | DIN rail (via baseplate, e.g., IC694ACC310) |
| Operating Temperature | 0°C to +60°C |
Main Features and Advantages
True electrical isolation with versatile load compatibility: Unlike solid-state outputs that can suffer from leakage current or voltage limitations, the GE IS410TRLYS1B uses electromechanical relays to provide complete galvanic separation between the control system and field devices. This enables safe switching of mixed-voltage loads—including 120 VAC solenoids, 24 VDC pilot lights, and even low-power 240 VAC heaters—without risk of backfeed or ground interference. The Form C contacts support both normally open (NO) and normally closed (NC) wiring, allowing fail-safe or fail-energize logic directly in hardware.
Robust design for industrial longevity: The GE IS410TRLYS1B is built to endure millions of mechanical operations under rated load conditions. Its relays are sealed against dust and moisture ingress, and the module includes surge suppression circuitry to absorb inductive transients from coils and contactors. Each output is independently fused at the system level (via external protection), minimizing cascading failures. The bright red/green LEDs provide instant visual confirmation of output state—critical during troubleshooting or safety lockout procedures.
Seamless integration and easy maintenance: Designed for the modular VersaMax ecosystem, the GE IS410TRLYS1B snaps into standard baseplates (e.g., IC694ACC310) with tool-free retention and supports hot removal when used in compatible racks. No external power supply is needed for the relay coils—they are driven directly from the module’s internal logic power. This simplifies panel design and reduces component count. Furthermore, the GE IS410TRLYS1B requires no configuration software; once installed, it appears automatically in Proficy Machine Edition (PME) or Logic Developer PLC as a mapped I/O block, accelerating commissioning and replacement.
Application Field
The GE IS410TRLYS1B is commonly found in municipal water and wastewater treatment plants, where it controls pump starters, chemical feed solenoids, and UV disinfection system interlocks. Its ability to switch both AC motor circuits and DC sensor power from the same module simplifies panel architecture while maintaining safety isolation—especially important in wet or corrosive environments.
In packaging and material handling lines, the GE IS410TRLYS1B drives reject gates, label applicators, conveyor diverters, and emergency stop reset circuits. Because these systems often use a mix of pneumatic (solenoid-driven) and electric actuators operating at different voltages, the universal switching capability of the GE IS410TRLYS1B eliminates the need for multiple output types. Similarly, in legacy automotive assembly cells or food processing machinery retrofitted with VersaMax controls, the GE IS410TRLYS1B provides reliable, maintenance-friendly output staging for decades-old equipment still in production.
Its mechanical nature also makes the GE IS410TRLYS1B ideal for safety-related functions where “zero leakage” is required—such as de-energizing a heater element or disabling a high-voltage section during maintenance. Across all these scenarios, the GE IS410TRLYS1B delivers dependable, field-proven performance where solid-state alternatives might falter.
Related Products
IS410TRLYS1A: Earlier revision of the same module; functionally identical but may differ in certification markings.
IC694MDL750: 16-point transistor (sourcing) output module; faster switching but limited to DC loads.
IC694ACC310: Baseplate with removable terminal block; required for mounting IS410TRLYS1B on DIN rail.
IC695CPU320: RX3i CPU that can communicate with VersaMax I/O via Genius bus—common host for IS410TRLYS1B.
IS420DOHXH1B: High-density digital output module for newer PACSystems; not pin-compatible but functional successor.
IC694MDL940: 10-point relay output module with higher current rating (5 A); used for heavier loads.
IC693CMM321: Communications module enabling Ethernet/IP connectivity for VersaMax systems using IS410TRLYS1B.
IC694ACC300: Baseplate without terminal block; used with pre-wired harnesses in OEM panels.
Installation and Maintenance
Pre-installation preparation: Before installing the GE IS410TRLYS1B, ensure it is paired with a compatible baseplate such as the IC694ACC310, which provides secure DIN rail mounting and field wiring terminals. Verify that the VersaMax rack power supply can support the inrush current of 16 relays energizing simultaneously (typically<2>GE IS410TRLYS1B does not include onboard fuses.
Maintenance recommendations: The GE IS410TRLYS1B has no user-serviceable components, but periodic inspection of LED indicators can reveal stuck or chattering relays before they cause process faults. If an output fails to switch, first verify the PLC logic state and then check for welded contacts or coil burnout using a multimeter—relay modules are consumable items with finite mechanical life. During replacement, power down the I/O rack if hot-swap is not supported by your baseplate. Always handle the GE IS410TRLYS1B with ESD precautions, and avoid exposing it to condensation or conductive dust. After installation, validate output behavior in Proficy Machine Edition and perform a functional test under load to confirm correct operation.
