Allen-Bradley 1715-A3IO 3-Slot Base for SIS Applications
Manufacturer: ABB
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Part Number: 1715-A3IO
Condition：New with Original Package
Product Type: Redundant I/O Base Unit
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Description
Product Overview
The 1715-A3IO from Allen-Bradley (Rockwell Automation) is a 3-slot redundant I/O base unit in the Bulletin 1715 Redundant I/O series. It is engineered to host up to three 1715 analog or digital I/O modules in Safety Instrumented Systems (SIS) and other high-availability process control applications.
This base provides mechanical housing, regulated power distribution, and a backplane for communication between modules and redundant adapters. It supports hot-swap replacement of modules without interrupting system operation and is widely used in oil & gas, chemical, power generation, and other process industries where continuous uptime and fault tolerance are critical.
Technical Specifications
| Parameter | Details |
|---|---|
| Catalog Number | 1715-A3IO |
| Series | Bulletin 1715 Redundant I/O |
| Type | Redundant I/O Base Unit |
| Slots | 3 (supports analog and digital I/O modules) |
| Supported Modules | 1715-IF8I, 1715-OF8I, 1715-IB16I, 1715-OB16I, etc. |
| Redundancy | Supports redundant adapters and I/O operation |
| Hot-Swap Capability | Yes, modules can be inserted/removed without system shutdown |
| Power Distribution | Provides regulated power to installed modules |
| Operating Voltage | 18–32 V DC |
| Power Consumption | 3–5 W (base only) |
| Wire Size | 22–16 AWG |
| Wire Type | Shielded |
| Operating Temperature | –10 °C to +60 °C |
| Storage Temperature | –40 °C to +85 °C |
| Humidity | 5–95% non-condensing |
| Isolation Voltage | 50 V continuous; type tested at 500 V AC for 60 s |
| Protection Rating | IP20 (cabinet installation required) |
| Dimensions (D×W×H) | 11.8 × 4.2 × 16.6 cm |
| Weight | 0.26 kg (0.31 lbs) |
| Shipping Weight | 1.5 kg |
| Certifications | CE, UL, CSA, ATEX (for safety applications) |
| Integration | Compatible with ControlLogix SIS via EtherNet/IP |