Description
- Model: 9771-210 / 9771
- Part Numbers: 7400195-210 and 3000656-210
- Brand: TRICONEX
- Part Type: 16-point analog input termination panel
- Signal Type: Current input, user-configurable
- Compatible Systems: Tricon v9-v10 systems
- Typical Input Conversion: 0–20 mA to 0–5 VDC using precision resistors
Technical Introduction
The TRICONEX 9771-210 is a 16-point analog input termination panel used with Tricon safety systems. The Tricon Field Terminations Guide identifies 9771-210 as a current-input, user-configurable termination panel and lists 3000656-210 as its associated assembly number; supplier cross-references also associate 7400195-210 with the 9771 panel.
The panel interfaces field analog signals to compatible Tricon analog input modules. It supports 0–5 VDC, 0–10 VDC, and -5 to +5 VDC configurations, with 250 Ω precision resistors providing current-to-voltage conversion for current-input applications. A redundant 24 VDC supply arrangement with diode ORing is also specified in the Tricon field termination documentation.
Engineer’s Takeaway: This is a termination panel, not the analog input processing module itself. Match the 9771-210 panel to the specific Tricon AI module and field-wiring configuration before approving a replacement.
Core Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | TRICONEX |
| Model | 9771-210 |
| Common Identification | 9771 |
| Associated Part Number | 7400195-210 |
| Assembly / Part Number | 3000656-210 |
| Product Type | Analog input termination panel |
| Panel Type | Current input, user-configurable |
| Number of Points | 16 |
| Supported Voltage Inputs | 0–5 VDC, 0–10 VDC, -5 to +5 VDC |
| Current Conversion | 0–20 mA to 0–5 VDC |
| Current-Limiting Resistor | 180 Ω series resistor on each positive terminal |
| Precision Conversion Resistor | 250 Ω per input |
| Power Arrangement | Redundant 24 VDC sources with diode ORing |
| Compatible Systems | Tricon v9-v10 |
| Compatible Modules | 3700, 3700A, 3703E, 3721 and other model-dependent AI modules |
| 32-Point Module Requirement | Two 9771-210 panels per 32-point analog input module |
TRICONEX 9771 3000656-210
The official-style Tricon field termination documentation identifies the 9771-210 specifications and compatible analog input modules.
Field Engineer’s Tech Notes
1. Do not purchase this as a replacement for the AI electronics module.
The 9771-210 is the field termination panel. Signal processing and diagnostics are performed by the connected Tricon analog input module. Confusing the termination panel with the AI module can result in a physically correct part that still cannot restore the failed I/O channel.
2. Verify the exact analog input module before wiring.
The 9771-210 supports several Tricon AI configurations, including 3700, 3700A, 3703E, and 3721, but the input ranges and wiring arrangement vary by module. The field termination guide specifically states the compatible module types and wiring requirements.
Adaptive QA & Testing Protocol
Incoming inspection begins with verification of the 9771-210 / 7400195-210 / 3000656-210 identification, revision marking, terminal condition, resistor network, connectors, mounting hardware, and evidence of corrosion or heat damage.
For functional QA, the termination panel is checked for correct terminal continuity and resistor values rather than treated as an active PLC module. A controlled analog signal source can then be connected through the intended field wiring to verify the expected signal path to the associated Tricon AI module. For current-input applications, a calibrated 4–20 mA or 0–20 mA simulator can be used as appropriate to the configured AI module, with the resulting input value checked at the controller level.
Where the customer’s test setup permits, redundant 24 VDC feed continuity and diode-OR arrangement are also verified.
Inspection photographs, test reports, and available test videos can be provided upon request.
Buyer’s FAQ
Is TRICONEX 9771 the same as 9771-210?
The Tricon documentation identifies the termination panel specifically as 9771-210. The shorter 9771 designation is commonly used in supplier listings for the same family.
What are the part numbers associated with this termination panel?
The commonly associated identifiers are 9771-210, 7400195-210, and 3000656-210. Third-party cross-reference listings support these associations, while the Tricon field termination
Can it be used with a Tricon 3700 analog input module?
Yes. The Tricon field termination guide explicitly lists 3700 among the compatible analog input modules for the 9771-210 panel. Other listed compatible modules include 3700A, 3703E, and 3721.
Is this a direct replacement for any 16-point analog termination panel?
Only after confirming the existing Tricon system, AI module, wiring scheme, and revision. The terminal panel itself is passive, but its resistor configuration and field wiring must match the application.
What condition, warranty, and lead time are available?
These depend on the actual inventory. Confirm whether the offered unit is new, New Surplus (NSFP), or refurbished, and request the current stock status, test condition, warranty period, anddispatch lead time before purchase.
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