Overview
The 6ES7193-0CB10-0XA0 is a Siemens SIMATIC DP terminal block TB2/DC, a spare part for the ET 200B distributed I/O family, designed for digital electronic submodules with 3-wire screw terminals. It carries a 24 V DC nominal supply with a switching current of 0.2 A and measures 235 mm in width. This part was discontinued by Siemens as of January 2017.
Function & operation
This terminal block provides the physical wiring interface between field devices and the ET 200B digital submodule. The TB2 variant uses screw-type terminals for secure connections; the TB4 variant (not included) uses spring-loaded terminals. The block operates on a 24 V DC supply with a voltage range of 18.5 V to 30.0 V DC, and each channel switches up to 0.2 A.
Lifecycle & availability
Siemens discontinued the 6ES7193-0CB10-0XA0 effective January 10, 2017. No official successor part number is listed in the available documentation. Buyers sourcing this terminal block for legacy ET 200B systems should expect to rely on surplus or broker channels. Request a quote to confirm current availability and lead time.