Pilz PMI 5 Series Operating Manual page 7

Overview
2 Overview
2.1 Unit structure
The PMI is an operator terminal that is used to operate and monitor technical processes.
2.1.1 Unit features
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Analogue resistive touchscreen
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Character set: Unicode
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PMI 509: in addition
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–
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Memory:
256 MB DDR SDRAM
512 MB Flash
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1 serial interface
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1 Ethernet Interface
} 1 USB slave interface
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1 USB host interface (PMI 509/PMI 515)
2 USB host interfaces (PMI 516/PMI 518/PMI 526/PMI 531/PMI 538)
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Battery-buffered real-time clock
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User-specific applications and various visualisation software packages can be installed
Operating Manual PMI 5
1002241-EN-07
4 function keys (F1 ... F4) and
4 system keys (ESC, ENTER, cursor up, cursor down)
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