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The Automation Direct Facts Engineering Koyo D4-440 is a central processing unit (CPU) module. Designed for the DirectLogic 405 series, the module is developed to interface with programmable logic controllers from the same series. Capable of performing fast boolean execution, this device is built for an optimal user experience. A separately sold memory cartridge is required to save programs to the module. Multiple power supply options are available using the device, including 110 and 220 VAC. The input voltage range of the device varies depending on power supply. When operating 110 VAC, input voltages can range from 85 to 132 VAC. 220 VAC, in turn, requires between 170 and 264 VAC.
D4-440 features dual communication ports for programming and network connectivity. Port 1 is a 15 pin programming port that can read RS232 inputs. It can directly connect to a number of program writing devices, including computers, handheld programmers, DV-1000, and other operator interfaces. Port 2 is a 25 pin auxiliary port capable of inputting RS232/422 connections with a user selectable baud rate. A slave port, this input can connect to DirectSOFT, DirectNET, and other operator interfaces. Baud rates are selectable using the CPU dipswitches found on the device. Users can use the CPU keyswitch to select either RUN, TERM, or STOP. The module is completed with six status indicators, providing visual diagnostics including PWR, RUN, CPU, BATT, I/O, and COM.
Follow all installation and storage parameters to prevent D4-440 from any accidental damages. A complete guide to installing and wiring the module can be found in both the user manual and device datasheet. The manufacturers, Automation Direct and Koyo, provided original technical support for this module.
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