Description

The Schneider Electric TSXBLY01 is a screw connection terminal block designed for signal interfacing between field wiring and discrete I/O modules within the Modicon Premium automation platform. It serves as the primary physical connection point, transmitting input and output signals cleanly and securely from field devices directly to the PLC backplane without intermediate wiring harnesses or custom adapters.

Featuring a high-density 20-way terminal layout, the TSXBLY01 allows quick attachment and precise routing of control and power wiring. Its captive screw terminals ensure reliable mechanical pressure over long operating cycles, preventing loose conductors caused by vibration or thermal expansion in demanding industrial environments.

Engineered specifically for Modicon Premium discrete I/O modules, the TSXBLY01 provides a modular, front-mounting form factor. This enables easy tool-free latching onto the front of compatible I/O modules, allowing maintenance teams to pre-wire field cabling or swap out electronics quickly during system servicing without disturbing the field wiring infrastructure.

Features

• High-density 20-way screw terminal arrangement for field signal termination.
• Captive screw connections ensure high vibration resistance and long-term contact reliability.
• Direct front-mounting onto compatible Modicon Premium discrete I/O modules.
• Supports rapid module replacement by allowing pre-wired terminal blocks to disconnect intact.
• Integrated mechanical coding features to prevent cross-wiring and incorrect insertion.
• Clear terminal numbering on the housing to simplify field wiring verification and troubleshooting.

Applications

• Connecting discrete field sensors, switches, and relays to Modicon Premium input modules.
• Distributing output signals from PLC output modules to field actuators, solenoids, and contactors.
• Retrofitting and expanding existing Modicon Premium automation racks in process control systems.
• Simplifying cabinet wiring density in OEM control panels and distributed control enclosures.

Technical Specifications

General

Mechanical

Connections / Interfaces

Installation Guidelines

1. Model Verification: Confirm that the Schneider Electric TSXBLY01 matches the terminal block requirement for the specific Modicon Premium I/O module being installed.
2. Power Isolation: Ensure all power supplies feeding the PLC rack and field circuits are isolated before installing or wiring the terminal block.
3. Wire Preparation: Strip field wire insulation to the recommended length (typically 7 mm). Avoid over-stripping to prevent accidental shorts between adjacent terminals.
4. Conductor Termination: Insert conductors into the designated 20-way screw terminals and tighten using an appropriately sized flat-head screwdriver. Ensure firm clamping without over-torquing.
5. Physical Mounting: Align the wired TSXBLY01 terminal block with the front mounting interface of the target Modicon Premium I/O module and press firmly until the locking latches engage securely.
6. Strain Relief: Secure field cabling with panel tie-wraps to prevent external tension on the terminal block screws.

Configuration / Commissioning / Replacement

• Pre-Commissioning Check: Inspect all 20 terminal points to verify correct wiring alignment against the control system's electrical schematics.
• Voltage Verification: Measure field voltage levels at the terminal points prior to powering up the I/O module logic to ensure signals fall within the module's rated operating limits.
• Module Replacement Procedure: When replacing an I/O module, disengage the locking mechanism on the TSXBLY01 to remove the entire terminal block intact. Install the replacement module and re-attach the pre-wired terminal block without disconnecting individual field wires.