The Siemens SIMATIC ET 200SP BU15-P16+A0+2D (6ES7193-6AR00-0AA0) is a standard Base Unit for the ET 200SP distributed I/O system. With a 15mm width and A0 (grey) color coding, it provides the mechanical carrier and electrical bridge for standard potential groups. The BU features push-in terminals for tool-free wiring and includes additional terminals (+2D) for auxiliary connections. Internal module selectivity keying prevents insertion of incompatible I/O modules. This Base Unit is the most commonly used carrier for standard ET 200SP I/O modules across manufacturing automation, machine building, and process control applications.
FAQ
Q:Q: What is the width of this Base Unit?
A: 15 mm. Q: What terminal type does it use?
A: Push-in (spring-cage) terminals for tool-free wiring. Q: What does A0 mean?
A: A0 (Grey) is the standard color code indicating a general-purpose potential group. Q: What does +2D mean?
A: It includes 2 additional terminal rows for auxiliary connections. Q: What is internal module selectivity keying?
A: Mechanical notches that prevent incompatible I/O modules from being inserted.
