The 1715-N2T Allen-Bradley Tall Slot Filler is an accessory component designed for Bulletin 1715 Redundant I/O systems. Unlike I/O modules that perform signal processing or communication functions, this device is a passive filler component used to occupy unused tall module positions within the chassis.
In industrial control systems, empty module locations may require proper mechanical coverage to maintain the intended rack configuration. The 1715-N2T provides a matching tall blank cover for available slots where no active module is installed.
This component is commonly purchased during system expansion planning, rack configuration changes, or maintenance activities involving existing Allen-Bradley 1715 redundant I/O installations. It allows facilities to maintain the original hardware arrangement without leaving unused tall positions open.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Allen-Bradley |
| Product Series | Bulletin 1715 Redundant I/O System |
| Model | 1715-N2T |
| Product Type | Tall Slot Filler |
| Component Category | I/O System Accessory |
| Function | Blank Slot Cover |
| Slot Type | Tall Module Slot |
| Installation Location | 1715 I/O Chassis |
| Configuration Type | Single Slot Filler |
| Construction | Passive Mechanical Component |
| Weight | Approx. 50 g (1.76 oz) |
| Operating Temperature | -25…60 °C |
| Storage Temperature | -40…85 °C |
| Relative Humidity | Up to 95% RH |
| Country of Origin | United Kingdom |
Difference Between 1715-N2T and 1715-N2S
Allen-Bradley provides different slot filler versions depending on the chassis position requirements.
| Model | Description |
|---|---|
| 1715-N2T | Tall blank slot filler |
| 1715-N2S | Short blank slot filler |
The 1715-N2T is intended for locations where a tall slot cover is required, while the shorter version is used for different slot conditions within the system arrangement.
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Application Within 1715 Redundant I/O Systems
The 1715-N2T is used when a Bulletin 1715 I/O chassis contains an unused tall module position.
A typical rack arrangement may include:
| System Component | Purpose |
|---|---|
| 1715 I/O Module | Performs field signal processing |
| Adapter / Base Components | Provides system communication and mounting |
| 1715-N2T Slot Filler | Covers unused tall slot positions |
The slot filler does not provide control, communication, or I/O processing. Its purpose is maintaining the physical configuration of the installed I/O system.
The 1715-N2T is typically associated with system maintenance and hardware configuration changes rather than normal machine operation.
Common situations include:
- Expanding an existing redundant I/O rack in the future
- Maintaining unused module positions
- Replacing missing slot covers
- Completing spare parts inventory
Restoring original chassis configuration after module removal
For industrial facilities managing critical automation systems, small mechanical accessories such as slot fillers are often kept as spare items to avoid incomplete rack assemblies during maintenance.
Spare Parts & Inventory Information
Because slot fillers are not active electronic devices, they are often overlooked during automation system planning. However, missing or incorrect covers can affect the physical completeness of a redundant I/O rack.
The 1715-N2T is commonly sourced through industrial automation spare parts channels for:
- Existing Allen-Bradley 1715 system maintenance
- Replacement of lost rack accessories
- Planned system modifications
- Control cabinet inventory management
Maintaining the correct filler type helps keep installed systems aligned with their original configuration.
Frequently Asked Questions
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