Table of Contents
Advertisement
2.10
Advanced Watchdog Timer
The UNO-4673A/4683 series provides a 7-tier Watchdog Timer for users to have a
chance to escalate system status before the forced system reset. Each tier has the
same time interval from 1~255 seconds and users can have an event handling after
the time-out of each tier. Install the driver from companion disc and refer to the soft-
ware manual for details.
2.11
Expansion Slots
UNO-4673A/4683 series offers 3 expansion slots for modularized domain IO plug-in
card. Through the interface card, UNO-4673A/4683 series can also adopt the stan-
dard PCI card, PCIe-mini card, mini-PCI card as well as the PCI-104 card.
Due to the UNO-4673A/4683 series being an embedded system, the power providing
for the expansion slot is limited. The maximum power support for each slot is:
5 V @ 2 A
3.3 V @ 1.5 A
12 V @ 0.25 A
And totally support maximum 30W (at 50oC condition) for all slots. Before you config-
ure all the module and plug-in card, please note not to exceed the power limit.
All the expanding IO modules are design for embedded application, the power effi-
ciency and thermal are well controlled. But if 3rd plug-in card is required to work in
the UNO-4673A/4683 series, please check the related power consumption and work-
ing condition carefully. In the normal condition, the ambiance temperature inside the
chassis would be 15oC higher than the environment temperature of UNO-4673A/
4683 series. To avoid the abnormal high internal temperature damage the plug-in
card, UNO-4673A/4683 series provide the system temperature alarm function,
please refer to chapter 2.9 for detail.
UNO-4673A/4683 series also support the optional fan for user to resolve the thermal
issue of the 3rd party plug-in card which is with high power consumption or bad
power efficiency. It is not recommended to use this kind of card in the embedded sys-
tem, only while the plug-in card is mandatory, please contact Advantech for this
optional support.
Note!
Only slots 1 & 2 support DMA mode
19
UNO-4673A/4683 Series User Manual
Advertisement
Table of Contents
