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- Allen Bradley
- 1715-TADIF16
- Duplex A/I Termination Assy
- USA
- 132 × 84 mm
- 0.26 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Allen Bradley 1715-TADIF16 16-Point Duplex A/I Termination Assy is a termination assembly used with the Allen Bradley 1715 distributed I/O platform. Its main role is to provide an organized interface between field wiring and the associated analog input circuitry.
In a process-control cabinet, numerous analog signals may come from transmitters, sensors, and other field instruments. Bringing these wires directly into individual I/O connections can make the cabinet difficult to service. A termination assembly gives the wiring a defined connection point and helps organize the field-side interface.
The 16-point duplex configuration is suited to installations where multiple analog input channels need to be terminated within the same I/O arrangement. This can be particularly useful in process equipment where signals from pressure, temperature, flow, level, or other measurement devices are collected at a remote I/O station.
The 1715-TADIF16 should be considered part of the complete I/O wiring architecture rather than as an independent analog input module.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen Bradley |
| Model | 1715-TADIF16 |
| Product Type | 16-Point Duplex A/I Termination Assembly |
| Series | 1715 |
| Main Function | Analog Input Signal Termination |
| System Role | I/O Termination Assembly |
| Channel Configuration | 16-Point Duplex |
| Application | Distributed I/O Systems |
| Typical Use | Field Analog Signal Connection |
| Dimensions | 132 × 84 mm |
| Weight | 0.26 kg |
Product Features
The 1715-TADIF16 provides a structured termination point for analog input wiring within a 1715-series I/O installation.
Key characteristics include:
- Allen Bradley 1715-series termination hardware
- 16-point analog input termination arrangement
- Duplex configuration
- Intended for organized field wiring
- Used with distributed I/O installations
- Provides an interface between field wiring and I/O circuitry
- Suitable for process instrumentation applications
- Helps simplify cabinet-side signal connections
- Dimensions of 132 × 84 mm
- Stated weight of 0.26 kg
The termination assembly should be selected together with the appropriate 1715 I/O modules, adapter hardware, and field wiring configuration.
Working Principle
A practical signal path can be represented as:
Field Instrument → Field Wiring → 1715-TADIF16 → Analog I/O Module → I/O Adapter → Control System
The termination assembly sits between the field wiring and the I/O system. Signals generated by field instruments enter the termination point and are routed through the associated I/O wiring to the appropriate analog input channels.
For example, a process transmitter may send a measurement signal from equipment located several meters away from the control cabinet. The field cable terminates at the 1715-TADIF16, while the corresponding I/O module handles the actual signal acquisition and processing.
This separation between termination and signal processing makes cabinet wiring easier to identify and maintain. If an analog channel stops updating, technicians can inspect the field instrument, cable, termination point, I/O connection, and input module in sequence.
Industrial Applications
The 1715-TADIF16 is particularly relevant to distributed process-control systems where multiple analog field signals must be brought into an I/O station.
| Application | Typical Use |
|---|---|
| Process Automation | Termination of analog instrumentation |
| Chemical Processing | Field transmitter connections |
| Oil and Gas Systems | Analog process measurements |
| Power Generation | Distributed measurement signals |
| Water Treatment | Level, pressure, and flow instrumentation |
| Manufacturing | Machine and process monitoring |
| Industrial Utilities | Analog sensor interfaces |
| Remote I/O Stations | Organized field signal termination |
The actual application depends on the compatible 1715 I/O architecture and the field instrumentation connected to the termination assembly.
Compatible System Components
The 1715-TADIF16 is normally used as part of a larger distributed I/O installation.
| Component | Function |
|---|---|
| 1715-TADIF16 | Terminates and organizes analog input field wiring |
| 1715 Analog Input Module | Acquires analog field signals |
| 1715-A2A | Provides the applicable I/O base structure |
| 1715 I/O Adapter | Connects the I/O station to the control architecture |
| Process Transmitter | Generates an analog measurement signal |
| Field Sensor | Measures process conditions |
| Field Wiring | Carries signals from instruments to the I/O station |
| Controller | Processes acquired process information |
| Industrial Network | Transfers I/O data |
| Power Supply | Supplies electrical power to the I/O system |
Correct channel assignment and wiring are important because an incorrectly terminated signal can appear as an I/O module or field-instrument fault.
Installation and Maintenance
The 1715-TADIF16 should be installed as part of the corresponding 1715 I/O wiring arrangement. Field wiring should be clearly identified so that individual analog channels can be traced during commissioning and maintenance.
Recommended checks include:
- Confirm the complete 1715-TADIF16 part number.
- Verify the 16-point duplex configuration.
- Check the associated analog input module.
- Confirm field-channel assignments.
- Inspect terminal connections.
- Check field wiring for loose or damaged conductors.
- Inspect connectors for contamination or corrosion.
- Verify cable identification.
- Check signal routing against the I/O documentation.
- Inspect the termination assembly for physical damage.
- Check the associated I/O base and adapter.
- Verify analog input behavior after maintenance.
- Perform channel-by-channel testing when commissioning a replacement.
If multiple analog channels are affected simultaneously, inspect the shared termination assembly, common wiring, I/O base, and adapter before assuming that several individual field instruments have failed.
Recommended Related Models
For the 1715-TADIF16, related components should be selected according to the number of analog channels, I/O architecture, and field wiring requirements.
| Model / Component | Type | Primary Function | Application |
|---|---|---|---|
| Allen Bradley 1715-TADIF16 | Analog Input Termination Assembly | 16-point field signal termination | 1715 distributed I/O |
| Allen Bradley 1715-A2A | Adaptor Base Unit | I/O module mounting and connection | 1715 I/O stations |
| Allen Bradley 1715 Analog Input Modules | Analog I/O Hardware | Analog signal acquisition | Process automation |
| Allen Bradley 1715 I/O Adapter | I/O Adapter | Connects remote I/O to control system | Distributed I/O |
| Allen Bradley PLC Controllers | Controller | Process and machine control | Industrial automation |
| Industrial Process Transmitters | Field Instrument | Pressure, flow, level, or temperature measurement | Process systems |
When replacing the 1715-TADIF16, verify the channel configuration, associated I/O module, field wiring arrangement, terminal assignment, and overall 1715 station architecture.
Key Advantages
- 16-point analog input termination arrangement
- Duplex termination configuration
- Allen Bradley 1715-series hardware
- Organizes field analog wiring
- Suitable for distributed I/O systems
- Applicable to process instrumentation
- Supports structured cabinet-side connections
- Compact termination assembly
- Dimensions of 132 × 84 mm
- Stated weight of 0.26 kg
Technical FAQs
What is the purpose of the 1715-TADIF16 in a distributed I/O station?
The 1715-TADIF16 provides a termination interface for multiple analog input field connections. It organizes the field wiring before the signals reach the associated analog I/O circuitry.
Does the 1715-TADIF16 itself convert or process analog signals?
The termination assembly primarily handles the field-side connection and routing of signals. Actual signal acquisition and processing are performed by the compatible analog I/O hardware.
What could cause several analog channels connected through the termination assembly to fail simultaneously?
A shared wiring issue, termination connection problem, I/O base connection, adapter fault, or common power or communication issue can affect multiple channels at once. Checking the common parts of the signal path is therefore a useful first step.
What should be verified when replacing a 1715-TADIF16?
The complete part number, 16-point duplex arrangement, associated analog input modules, channel assignments, field wiring, terminal connections, and 1715 station configuration should all be checked before commissioning the replacement.