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The Eaton Cutler-Hammer 7685ST-15E is a PanelMate ePro PS enterprise edition (EE) operator interface that comes with a stainless-steel bezel and a 15-inch display featuring a glass touchscreen that supports gloved hand operations. The display used on this interface is an active color matrix thin-film transistor (TFT) type with 16 million colors. It has an XGA resolution of 1024 x 768, a brightness of 250 nits, and an auto-dimming feature. The backlight installed on the 7685ST-15E interface is field-replaceable and has an average life of 50,000 hours. The approximate dimensions of the entire interface are 13.5 x 18.6 x 4 inches and its weight is 17 lbs or 7.73 kg.
The storage available on the 7685ST-15E interface is a 4 GB internal CompactFlash drive used as the C partition and a 512 MB external CompactFlash drive used as the D partition, as well as a 1 GB DDR2 RAM. The external storage can also be added to this interface because it comes with an external CompactFlash card slot, USB ports, and PCMCIA ports. The 7685ST-15E also has 2 serial ports, 1 Ethernet port, and 1 VGA port.
The nominal DC voltage of the 7685ST-15E interface is 24V DC, the power consumption is 54 W, and the heat output is 184 BTU/hr. It also has a current of 2.25A and a peak inrush current 8A. The operating temperature of this interface is 0-60 ºC and its non-operating temperature is -25-70 ºC. Its system vibration is 1g at 5-500 Hz and system shock is 100g. The 7685ST-15E also has a non-condensing relative humidity of 20-95%.