Available. 6ES5103-8MA03. The Siemens 6ES5-103-8MA03 is a Central Processing Unit (CPU) designed for the SIMATIC S5-100U series, offering efficient processing capabilities for small to medium-sized automation applications. This CPU module features an internal power supply, built-in memory, and supports a range of I/O and analog modules, making it versatile for various industrial applications. It operates with a 24 V DC input voltage and provides output voltages of +9 V at 1 A for I/Os and +5.2 V at 0.65 A for the programmer. The CPU supports up to 256 digital inputs and outputs combined, and up to 16 analog inputs and outputs combined. It also includes 32 timers and 32 counters, with up to 999 for up/down counting. The module has a net weight of approximately 0.695 kg and dimensions of 134 x 148 x 104 mm. Please note that this product has been discontinued and is no longer available for purchase.