Overview
Configured for terminating normally-open relay outputs in the Triconex safety control system, the Invensys 9668-110NJ (9668-110NJ Relay Termination Panel) provides the physical interface between relay output circuits and the field termination arrangement. The panel supports 32 relay output circuits and interfaces with the 3636TN relay output module through the 3000590-110 ETA interface.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 9668-110NJ |
| Brand | Invensys |
| Product Type | Relay termination panel |
| Component Type | Relay termination panel |
| Order Reference | 9668-110NJ |
| System Platform | Triconex safety control system |
| Primary Function | Terminates normally-open relay outputs |
| Channel or Port Capacity | 32 relay output circuits |
| Electrical Classification | XLPEJ interface cable construction |
| Compatible Hardware | 3636TN relay output module |
| Mounting Arrangement | DIN-rail field panel |
| Connection Interface | 3000590-110 ETA interface |
| Diagnostic Coverage | Continuity and relay-point proving |
| Documented Variant | Nuclear 1E cable-panel set |
| Operating Temp | 0 to 60 deg C controller service |
| Storage Temp | -40 to 75 deg C equipment storage |
| Relative Humidity | 5 to 95% non-condensing |
Triconex Safety Output Interface
The 9668-110NJ terminates 32 normally-open relay output circuits. It connects the field-side relay wiring to the specified 3636TN relay output module through the 3000590-110 ETA interface.
The panel uses an XLPEJ interface cable construction according to the supplied classification. In addition, the documented configuration includes a Nuclear 1E cable-panel set. Continuity and relay-point proving provide the stated diagnostic coverage for the affected relay circuits.
Because the panel forms part of a safety control system, technicians should verify the complete signal path from the relay output module through the termination panel to the field circuit. The supplied data also specifies verification of every affected safety path during commissioning.
Frequently Asked Questions
Q: How many relay output circuits does the 9668-110NJ terminate?
A: The panel provides termination for 32 relay output circuits.
Q: Which relay output module is specified for use with the 9668-110NJ?
A: The supplied compatibility data identifies the 3636TN relay output module.
Q: What interface connects the panel to the specified hardware?
A: The connection interface is identified as the 3000590-110 ETA interface.
Field Installation Guidelines
Install the panel on the specified DIN-rail field arrangement and maintain secure mechanical retention.
Before wiring, verify the 9668-110NJ order reference against the installed Triconex hardware, relay output module, interface cable, and field termination documentation.
Route relay wiring according to the project wiring design. Keep safety-related conductors separated from circuits that can introduce unwanted electrical interference. Terminate cable shields and bonding conductors according to the applicable site grounding specification.
Verify connector identification and circuit assignment before energization. Check continuity through each affected relay path and perform the specified relay-point proving procedure.
During commissioning, verify every affected safety path from the 3636TN relay output module through the 9668-110NJ termination panel to the connected field circuit.
Confirm the installed hardware revision, connector layout, cable reference, and project documentation before replacement or modification.
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