V391 Board and Connections
eMMC:
l On-board hard disc storage
l Durability depends on disk mode
l SLC mode (60k P/E)
l MLC mode (3k P/E)
l Performance (20 MB write, 40MB read)
l Up to 64 Gigabytes available in same package
Lihium Cell + Charger:
l Keeps the CPU alive for a few minutes to gracefully power down if the main power is sud
denly removed.
l Allows use of non-volatile RAM-disks.
l Only the CPU and required peripherals are powered by the battery backup (3.3V peri
pherals and lower voltages).
l USB devices will lose power upon 24V disconnect.
Electrical Parts and Diagrams M3310 HMI Controller User Manual
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