Enhanced DirectLOGIC DL405 PLC CPUs added by AutomationDirect

Tuesday August 08, 2017
Aug. 8, 2017 - AutomationDirect has added two new feature-enhanced CPUs to its DirectLOGIC DL405 programmable logic controller product line.

The D4-454 and D4-454DC-1 provide all the capabilities of the D4-430, D4-440 and D4-450 CPUs, using updated microprocessor technology allowing the D4-454 to be the CPU of choice for the DL405 family, explains AutomationDirect. Both D4-454 CPUs include a built-in power supply and four communication ports. Each CPU boasts a large amount of program memory, advanced diagnostics and a substantial instruction set and that includes drum sequencers, ASCII output, floating point math, trig functions, bit of word manipulation, timed and hardware-triggered subroutines, For/Next loops, fill-in-the-blank PID control, and more. The memory of the D4-454 is fully contained in the CPU and stored in non-volatile MRAM memory; no memory card is required. A readily available coin-style battery is used for retention of the Real Time Clock. With a variety of I/O modules, configurations and many specialty modules available, local/distributed I/O systems of up to 3,500 points are possible. 

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