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FAQ Category: CPU

Are there any limitations to expansion units on GSM PLCs?

Yes – If you are using expansion units (EXM-E-) with your GSM CPU then you cannot use EXM-E-RS485 as well. If you require RS485 on your GSM CPU system, then please choose the PRO-RS485, which plugs into the programming port of the PLC CPU. If you are not using ANY other expansion units with your […]

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Can the CPU Log Data?

Yes, by the addition of an ELC-Memory module, which plugs into the programming port and saves data to SD card. Logging is enabled by the addition of a Memory Write block in your program.

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Can I Change What’s Displayed on the CPU LCD when Powered Up?

Yes, you can achieve this through the programming software by selecting “Tools -> Edit Cover HMI”. Only the first two lines of the LCD can be changed but you can use it to place company details, or maybe system details.

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Is it possible to add extra IO to the CPU?

Yes. Most of the CPU’s IO can be increased by the addition of expansion units. The exception to this are the PR-6 and PR-12 Standard CPU’s.

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