5
Environmental Specifications
• When using any of the PS-A’s optional devices, be sure to check that device’s
specifications for any special conditions or cautions that may apply to its use.
• Be aware that not only does the Hard Disk have a fixed lifetime, but that accidents
can always occur. Therefore, be sure to back up your Hard Disk’s data regularly, or
prepare another Hard Disk unit that can be used for backup.
• The Hard Disk lifetime given here may be reduced due to unforeseen environmental
factors, however, generally speaking, the disk should last for 20,000 hours (of
operation) or approximately 5 years, whichever comes first, at an operating
temperature of 20°C and 333 hours of operation per month. (HDD access frequency
of 20% or less)
• Using the Hard Disk in an environment that is excessively hot and/or humid will
shorten the disk’s usage lifetime. A wet bulb temperature of 29°C or less is
recommended. This is equivalent to the following data.
• In order to extend the lifetime of the hard disk, Pro-face recommends you set the
Windows
®
XP (classic) [Control panel]-[Power Options]-
[Power Options Properties]-
[Power Schemes]-
[Turn off hard disks] selection to turn the hard disk off when the unit
is not being operated. A setting of 5 minutes is recommended.
DIP Switches
1. Changing Settings
To set the DIP switches which are on the PS-A’s circuit board, remove the PS-A’s Fan Unit or
Memory Slot Cover.
• Use a screwdriver to loosen or tighten the screws. Be sure not to tighten screws too
tightly, since it may damage the unit.
• Be careful when removing or inserting any screws that they do not fall inside the PS-A.
(1) Turn OFF the power switch of the PS-A and remove the power cable. Place the PS-A on a
flat, level surface facing the display face downwards.
PS-3650A Series PS-3651A Series
Physical
Surrounding Air
Temperature
0 to
50 °C
: without HDD
5 to
50 °C
: with HDD 0 to
50 °C
: without HDD
5 to
45 °C
: with HDD
Storage Temperature -20 to +60°C
Ambient Humidity
10 to 90% RH (Not condensing, wet bulb temperature: 39°C or less.
with HDD: 29°C or less.)
Storage Humidity
10 to 90% RH (Not condensing, wet bulb temperature:39°C or less.)
Dust 0.1mg/m3and below (Non-conductive levels)
Pollution Degree For use in Pollution Degree 2 environment
Temperature at 35°C at 40°C
Humidity no higher than 64% RH no higher than 44% RH
