66MHz mid-range processor with Modbus Plus port for Modicon Quantum PLC ...

Medium-performance 2M processor with dual MB+ ports for Modicon Quantum PLC control system ...

486-based main processor with dual MB+ ports for medium industrial automation control systems ...

Basic main processor with multi communication ports for Modicon Quantum PLC automation systems ...

Coated mid-range Unity processor with Modbus Plus for Modicon Quantum industrial control systems ...

Coated 20MHz main processor with RS232 Modbus & MB+ ports for Modicon Quantum industrial control ...