original 51401551-301 boards from Honeywell
including four output relays
It serves as the central processing unit within UR relays
The 51401551-301 Control Board by Honeywell—also known as the K2LCN Board Assembly—is a processor module designed for use in TDC 3000 Distributed Control Systems (DCS)
enhancing connectivity and data transparency across industrial networks
Digital Output Module Honeywell 10209/2/1 Series for TDC Systems I/O Terminal Block original 51401551-301 boards from HoneywellOverview The Honeywell 10209 2 1 Digital Output Module is part of Honeywells TPS control platform, engineered to provide high performance digital signal output across multiple channels. It supports up to 16 discrete outputs, each capable of driving 24V DC loads such as solenoids, relays, and indicator lamps. Moreover, the module is built for rugged industrial use, with CE, TUV, UL508, and CSA certifications ensuring compliance with global safety