The Automation Direct Facts Engineering Koyo D2-250 is a retired central processing unit (CPU) module. It is one of a series of modules created to support DirectLogic 205 series of programmable logic controllers. As a whole, the module offers 14.8K words of total available system memory. An integrated 7680 word Flash program ladder memory is featured on the module. Additional memory for critical storage data is found in the form of V-memory, capable of holding up to 2048 words.
A higher model of the series, D2-250 can support over 200 complex instructions. Examples of included instructions are drum sequencers, floating point conversions, and bit of word manipulation. The top of the module features four LED status indicators, including RUN, BATT, CPU, and PWR. Directly below is a mode switch, allowing the user to select RUN, TERM, and STOP. Two ports follow, with Port 1 supporting RS-232C and Port 2 supporting RS-232C/422. To program the module, DirectSOFT version 2.1 or higher is required on the logic controller.
To maintain the integrity of D2-250, be sure to follow all outlined installation and storage parameters. Charts depicting device wiring and installation guidelines can be found in the DirectLogic 205 series manual. Technical support for the entire DirectLogic 205 series, modules included, was originally provided by Koyo and Automation Direct. A complete outline of all safety and installation procedures can be found in the device manual and datasheet.
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