Westinghouse 4256A84G13 Q‑Line QID Digital Input Module
Product Background The Westinghouse 4256A84G13 belongs to the Q‑Line QID series digital input hardware family for Ovation distributed control system, widely deployed within fossil‑fuel power‑plant DCS cabinets for discrete field‑status signal acquisition. This plug‑in board reads dry‑contact and 24 VDC field discrete inputs, transferring on‑off equipment status back to Ovation controllers and operator HMI. As legacy…


