ABB | CPU86-NDP | CPU Processor Board

Product Description:

CPU86 is a Selma 2 processor unit that can be used either as an independent processor or as part of a Selma 2 system. Processor Card The difference between CPU86-NDP and CPU86 is that an arithmetic processor has been added to the NDP version. The card has a 16-bit processor 8086 (5MHz) or 8086-28MHz) and maximum memory of 64 kilobytes, of which 16 kilobytes can be battery-backed. 
The CPU86-NDP card has its own +5 V voltage monitoring, which as voltage decreaseless than +4.6 V prevents memory and calendar circuit from working. The purpose of the circuit is to prevent the loss of the calendar circuit and any battery-backed content that may be usein the event of a voltage failure. CPU-NDP card does not restart if +5 V the auxiliary voltage is less than 4.7 V. In the following picture is the CPU-NDP card.

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