For all of you who use the Moore / Siemens 353 SLC controller and are concerned that you'll have to turn to eBay for spare parts, don't worry - we have a great solution. The Yokogawa YS1700 is a drop-in replacement for the Siemens / Moore 353.
The Yokogawa YS1000 Series is the ideal choice for many control applications offering extreme reliability and sophisticated control. This product family has bright, easy-to-read displays, multiple I/O points, and powerful loop tuning. For critical applications, the YS1700 employs dual CPUs for maximum reliability and hard-manual control for added protection. The YS1700’s powerful function block programming allows for custom strategies to control many demanding processes such as boilers and steam generators, PH control, dosing control, and many other demanding plant processes.