The Schneider ASH819100 PLC rack provides a modular backplane for housing I/O modules and communication adapters. This chassis serves as the foundation for Modicon M340 distributed control architectures. Its robust chassis measures 260 mm in height, 530 mm in width, and 130 mm in depth.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Schneider Electric |
| Model | ASH819100 |
| Category | PLC Rack / Backplane |
| Number of I/O Slots | 8 |
| Backplane Type | Passive |
| Communication Bus | X80 backplane bus |
| Power Supply Interface | 1 position (left side) |
| Backplane Current Capacity | 4.0 A (at 5 V DC) |
| Mounting Type | Panel mount (screw) |
| Material | Powder-coated steel |
| Color | Light gray (RAL 7035) |
| Dimensions (H×W×D) | 260 × 530 × 130 mm |
| Weight | 3.50 kg |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | –25°C to +85°C |
| Protection Rating | IP20 |
| Component Count | 1 (passive backplane PCB) |
Backplane Architecture and Slot Configuration
The Schneider ASH819100 accommodates up to eight I/O modules for flexible system design. Users populate the slots with discrete, analog, and communication modules as needed. A dedicated power supply slot on the left side distributes energy to all modules. This design supports custom configurations for diverse application requirements.
Power Distribution and Current Capacity
This rack distributes 5 V DC power from the supply module through the passive backplane. The backplane supports up to 4.0 A total current draw from installed I/O modules. This capacity handles typical combinations of M340 modules for most applications. The single power supply interface optimizes power distribution across the chassis.
Communication Bus and Data Transfer
The X80 backplane bus provides high-speed communication between the CPU and I/O modules. This bus carries both data and address signals for deterministic module addressing. The passive design routes signals without introducing processing delays. Such architecture ensures reliable and predictable I/O update cycles.
Physical Construction and Durability
The Schneider ASH819100 uses powder-coated steel construction for industrial durability. This robust material resists corrosion and maintains structural integrity in factory environments. The light gray finish matches other Modicon M340 components for uniform appearance. Mounting tabs on the top and bottom edges provide secure panel attachment.
Module Insertion and System Assembly
Insert M340 modules into the Schneider ASH819100 by aligning with slot guide rails. Secure modules with the integrated retaining clips for vibration resistance. Remove modules by pressing the retaining clip and pulling the module handle. The passive backplane enables module exchange without powering down the complete system.
Panel Mounting and Installation Requirements
Mount the Schneider ASH819100 on a flat panel surface using the factory-provided mounting tabs. Use four M6 screws to secure the rack firmly to the mounting surface. Position the rack horizontally or vertically depending on cabinet space. Allow at least 100 mm clearance above and below the chassis for cable routing.
Backplane Connectors and Signal Routing
Each slot contains standard M340 backplane connectors for reliable module interfacing. Gold-plated contact surfaces ensure consistent signal transmission between modules. The passive design routes power and signals without active buffering or processing. This simplicity enhances system reliability and reduces potential failure points.
Details
| Weight | 0.25 kg |
|---|---|
| Dimensions | 130 × 100 × 20 mm |
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