New and original HONEYWELL TDC3000 IO LINK INTERFACE 51303979-400 in stock TDC3000 — Honeywell's legacy Total Distributed Control system platform IO LINK INTERFACE — A module designation suggesting an I/O link interface function, possibly for connecting I/O subsystems to the TDC 3000 network, but the specific function cannot be verified 51303979-400 — A Honeywell part number associated with this assembly


