Schneider Electric TSXRKY8EX | Modicon Premium 8-Slot Rack, In Stock

Description

Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.

3. Key Technical Specifications

The build suffix on the rack determines the exact slot layout and connector arrangement. Verify each line below against the marking on your existing rack and the OEM datasheet for your system.

4. Product Introduction

The Schneider Electric TSXRKY8EX is an eight-slot extension rack for the Modicon Premium PLC platform. It does not carry a CPU. It adds eight module slots to a system whose main rack is full, and it connects to the main rack through a bus extension module and cable. The rack is a backplane — it holds the modules and carries the X-bus signals, nothing more.

The engineering value is a cheaper path to I/O expansion than replacing the main rack. When your main rack is full and you need eight more points, this rack lets you add them without a new CPU, a new program, or a new network drop. Two things must match before you install it: the bus extension module must be compatible with your main rack, and the cable length must not exceed the specified maximum. Get either wrong and the CPU will fault on the extension bus.

TSXRKY8EX

TSXRKY8EX

TSXRKY8EX

5. Application Scenarios & Field Experience

Part 1 – Narrative Paragraph

The problem this rack solves is slot starvation on a running line. A main Premium rack fills up faster than anyone plans — CPU, supply, communication modules, and a handful of I/O cards, and you are out of slots. The process engineer comes back wanting more digital inputs, and the options are ugly: rip out the rack and buy a bigger one, add a remote drop with its own communication interface, or add an extension rack that keeps the I/O local to the CPU. The TSXRKY8EX is the third option. It keeps the I/O in the same cabinet, on the same scan, and on the same program file. In my experience, that matters at 6 AM on a Sunday when you are trying to bring a line back up.

Part 2 – Numbered List (Application Scenarios)

1. Packaging Machinery – Line Expansion – A main Premium rack running a form-fill-seal line was full. Adding sensors for a new film registration system required four digital inputs and two analog inputs. The TSXRKY8EX added the slots without a new CPU or a remote drop.
2. Water Treatment – Plant Upgrade Panels – A plant adding turbidity and flow transmitters needed additional analog channels. The extension rack went into the same cabinet, powered from the existing supply, and the CPU picked up the new cards at the next sequential addresses.
3. Material Handling – Conveyor Zone Control – A distribution center adding conveyor zones needed more output cards. The extension rack kept all I/O local, so the existing ladder logic and register mapping stayed untouched.
4. Building Automation – HVAC Retrofit – A rooftop unit controller needed additional point count for a retrofit. The extension rack provided the slots without changing the network architecture or the HMI project.

Part 3 – Short Field Story

A food processing plant in the Midwest had a Premium rack with no spare slots and a backlog of four needed analog inputs for new temperature transmitters. The integrator quoted a remote drop with a network adapter — six weeks of programming and a new panel. We supplied a TSXRKY8EX extension rack, the bus extension module, and the cable. The plant electrician mounted the rack below the existing one, moved the new card wiring, and connected the extension cable. The CPU recognized the new slots on the first scan. Total downtime: one four-hour maintenance window, not six weeks.

6. Standard Operating Procedure (SOP) for Quality Control

• Visual & Origin Inspection – We verify the Schneider Electric marking, the TSXRKY8EX model number, and the date code. We inspect the backplane connectors for bent pins and the mounting rails for damage. A rack with cracked plastic or evidence of forced module insertion is rejected.
• Slot Continuity Test – We buzz out every backplane connector against the OEM pinout to confirm no open traces or shorts between adjacent contacts. This catches the most common failure mode on a used rack.
• Module Fit Verification – We insert a test module into each slot to confirm it seats fully and the retention mechanism holds. A slot that fits loosely will cause intermittent faults in the field, so we reject any rack with a worn connector.
• Bus Continuity Test – We connect the rack to a test main rack using the specified extension module and cable. We run a data exchange loop and log any bus errors. Zero errors is the pass criterion.
• Termination Check – We verify the end-of-bus termination arrangement matches the rack’s position in the system (last rack or intermediate). A missing terminator causes intermittent faults that are hard to diagnose.
• ESD-Safe Packaging – The rack is wrapped in anti-static film, placed in a fitted foam insert with the backplane connectors protected, and packed in a double-wall carton with handling labels.

7. Frequently Asked Questions (FAQ)

Q1: Does the come with a CPU or a power supply?

A: No. This is an extension rack only. It has no CPU slot and no internal power supply. It adds I/O slots to a system that already has a main rack with a processor. If your configuration requires a separate supply for the extension rack, verify that against the OEM installation guide before ordering.

Q2: What else do I need to connect this rack to my main rack?

A: You need the correct bus extension module for your main rack and a bus extension cable of the correct length. The module and cable are separate line items and are not included with the rack. If you send us your main rack model and the distance between racks, we can confirm which extension module and cable you need.

Q3: How many extension racks can I connect to one main rack?

A: That depends on your CPU model and the bus extension module. Most Premium systems support a limited number of extension racks and a maximum total bus length. Verify both against the OEM datasheet for your CPU before you commit to a layout. Do not assume you can daisy-chain extension racks indefinitely.

Q4: What is the warranty on this rack?

A: We offer a 12-month warranty from the ship date. It covers backplane connector failure and mechanical failure of the mounting rails under normal installation and operating conditions. It does not cover damage from forced module insertion, physical damage to the housing, or damage from connecting the extension cable incorrectly. Every rack is tested on a live extension bus before it ships.

Q5: Any installation pitfalls I should watch for?

A: Four. First, power down the main rack before connecting or disconnecting the extension cable — the X-bus is not hot-swap capable. Second, verify the extension module part number matches your main rack; a mismatched module will fault the CPU on power-up. Third, check the cable length against the specified maximum before you route it — a cable that is too long will cause intermittent bus errors that look like software faults. Fourth, confirm the termination on the last rack in the chain. A missing terminator is the most common cause of a “no rack” fault on an extension system.