UNITRONICS M-90 OPLC Operator Panel & PLC M-91-2-R1-R1 Module **AS-IS**Unitronics M 90 OPLC Operator Panel & PLC M 91 2 R1 R1 Module AS IS This listing features the Unitronics M 90 OPLC Operator Panel paired with the M 91 2 R1 R1 PLC module, offered in AS IS condition. This compact, all in one programmable logic controller (PLC) and human machine interface (HMI) solution is designed for industrial automation applications requiring space efficiency and integrated control. Key Specifications Model Part Number: M 90