Siemens SITRANS RD500 Manual de instrucciones - Página 4
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THERMAL PERFORMANCE AND CONSIDERATIONS
This option card is rated for operation from -20°C to +70°C (See below for
thermal de-ratings) when the proper thermal considerations are taken into
account. Please refer to the following information to maximize the
performance of this option card when it's operated under extreme
temperatures.
High Temperature Operating Conditions:
This option card has many modes of operation which can cause the
power consumption and corresponding heat dissipation to vary greatly. This
factor, along with others, can affect the performance and longevity of the
unit.
The maximum ambient temperature rating is further defined as follows:
• 60 °C maximum for continuous data usage and webserver operation
with refresh rate set at 0 seconds in Crimson:
• 65 °C maximum for continuous webserver operation with refresh rate
set to 10 seconds in Crimson
• 70 °C maximum for continuous web server operation with a refresh
rate set to 30 seconds in Crimson
INSTALLING A SITRANS RD500 OPTION CARD
The first step is to buy a SIM Card from one of the HSPA+ providers and
insert it into the SIM Card slot of the option card. The SIM Card slot is the
rectangular slot on top of the HSPA+ Cellular Modem in the option card as
shown in Figure 1. See SIM Card details in the Software/Unit Operation
Section for more details.
1. Remove power from the unit.
2. Insert a flat-bladed screwdriver into the slot at the top of the expansion
port cover. Gently apply pressure on the screwdriver in an upward
direction until the expansion port cover disengages from the unit as
shown in Figure 2.
3. Verify that the option card knobs are in the "unlocked" position as shown
in Figure 3.
4. Carefully insert the option card into the expansion port opening while
aligning the card-edge connector on the option card with the main board's
header, as shown in Figure 4. Once aligned, gently press on the front of the
card until it is flush with the front of the case.
5. Turn the option card knobs to the locked position as shown in Figure 5.
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SIM CARD ORIENTATION
Figure 1
SITRANS RD500
• 70 °C maximum for SMS mode of operation (sending and receiving
text messages). These units may also be operated at 70 °C if data
usage is brief and intermittent (e.g. downloading a 100 kB log file
once an hour).
• For best performance and longevity, try to maintain an ambient air
temperature less than 60 °C.
• The ambient temperature is defined as the temperature of the air
immediately surrounding the unit.
• Reduced wireless performance may occur when operating above +60
°C in continuous webserver mode of operation with refresh rate set
at 0 seconds.
• Running at temperatures above 60 °C for extended periods of time
may reduce the performance and longevity of the unit.
If your wireless communications is atypically high or frequent, then the
maximum ambient operating temperature may be reduced. The wireless
circuit(s) in this option card may shutdown to protect from permanent damage
when the internal circuitry temperature becomes extreme.
Caution: The expansion and main circuit boards
contain static sensitive components. Before handling the
cards, discharge static charges from your body by
touching a grounded bare metal object. Ideally, handle the
cards at a static controlled clean workstation. Also,
handle the cards by the edges only. Dirt, oil, or other
contaminants that may contact the cards can adversely
affect circuit operation.
Warning: Risk of Danger:
power before removing the expansion port cover.
WARNING - EXPLOSION HAZARD - DO NOT
DISCONNECT EQUIPMENT UNLESS POWER HAS
BEEN SWITCHED OFF OR HAZARDOUS
CONDITIONS ARE NOT PRESENT.
Be sure to remove all
Figure 2
7ML19985MM01