USED National Instruments cFP-DI-330 184436A-02 8-Ch. Universal Discrete Input

Automation Direct D0-16TD1 DirectLogic Discrete Output Module, 16-Point, 24VDC

National Instruments FP-DI-DC, 3 - 32 VDC Discrete Input NI FieldPoint

AUTOMATION DIRECT P1-08ND3 8pt Discrete In 12-24vdc Sinking Sourcing 2 Commons

Bristol Babcock 392006-02-2 Discrete Output *USED

Discrete input module Modicon Quantum - 16 I - 10..60 V DC - 140DDI84100