Overview
The Siemens LOGO! 12/24RC, order code 6ED1052-1MD00-0BA4, is a compact logic module with integrated display and keypad, operating on a 12 or 24 V DC supply. It provides 8 digital inputs, of which 2 can be used as analog inputs (0 to 10 V), and 4 relay outputs rated for 10 A switching current. The module supports up to 130 program blocks and is expandable with additional LOGO! modules.
Function & operation
The 6ED1052-1MD00-0BA4 functions as a standalone programmable controller for small automation tasks. Its 8 digital inputs include two that can be configured for analog sensing (0 to 10 V), allowing connection of simple sensors or potentiometers without an additional analog module. The 4 relay outputs switch up to 10 A each, suitable for direct control of contactors, small motors, or lighting loads. The integrated display and keys enable on-site programming and monitoring without a PC.
Lifecycle & availability
The 6ED1052-1MD00-0BA4 carries CE, UL, CSA, FM, and marine approvals, indicating it is a fully released, active product with no end-of-life notice in the current evidence. It remains a standard catalog item from Siemens and is widely available through distribution.