Siemens SIMATIC S5 PG631 Programming Unit, Vintage PLC Programmer Untested

Siemens SIMATIC S5 PG631 Programming Unit Model: PG631 Condition: Used, untested, sold as is. For parts, repair, or collectible display. Unit has visible signs of previous industrial use, comes as shown with CRT display, built-in keyboard, and standard side compartment. No power-up or functionality test has been performed; cables and accessories not included. Technical Specifications and Features: Industrial PLC programming terminal for Siemens S5 series controllers (compatible with S5-100U, S5-115U, S5-135U, S5-155U systems). Features sturdy CRT monitor, integrated function and numeric keys, and multiple rear interface ports for direct controller programming. Designed for real-time diagnostics, commissioning, and service/maintenance tasks in factory automation environments. Rear panel offers configurable power input (supports 110V/220V, details on label), ventilation, and lockable compartment. Background & Collector Information: The PG631 is a rare, collectible piece of Siemens automation history from the 1980s and 1990s, valued by industrial equipment refurbishers, automation engineers, and vintage computing enthusiasts. Often sought for maintaining legacy S5 installations or as a unique desk display for PLC and tech aficionados.