The Siemens 6ES7142-1BD40-1XB0 is an ET200X top module, specifically the EM142 variant, providing 4 digital outputs with integrated diagnostics. It snaps onto the ET200X base unit in a distributed I/O node, extending the output count while the diagnostics flag channel faults back to the controller without a separate wiring run.
Siemens 6ES7142-1BD40-1XB0 ET200X EM142 4DO/Diag, Current
MPN6ES7142-1BD40-1XB0
Siemens ET200X EM142 top module, 6ES7142-1BD40-1XB0, 4 digital outputs with diagnostics, current lifecycle stage.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Product details
Frequently asked questions
What is the 6ES7142-1BD40-1XB0?
Buyers need to identify the part as a Siemens ET200X Oberteil EM142 with 4 digital outputs and diagnostics.
Is the 6ES7142-1BD40-1XB0 obsolete or current?
Lifecycle status determines if it can be sourced or if a replacement is needed.
What is the price of 6ES7142-1BD40-1XB0?
Pricing is critical for BOM costing and budget approval.
Where can I buy 6ES7142-1BD40-1XB0 in stock?
Availability from distributors directly impacts project timelines.
What is the replacement for 6ES7142-1BD40-1XB0?
If the exact part is unavailable, buyers need a drop-in alternative.
How do I wire the 6ES7142-1BD40-1XB0?
Correct wiring prevents installation errors and ensures diagnostic function works.
MPN
6ES7142-1BD40-1XB0