Spider DSA User’s Manual
105
configured for it to connect. This tab also lists software functions installed as
firmware components. These components are installed by Crystal Instruments.
Figure 59. Spider System Hardware Configuration Setting
The IP Setting tab sets the IP configuration of the module. It can use DHCP to
obtain an IP address automatically or a manually configured IP address, subnet
mask, and default gateway. These are set according to the configuration of the
network the unit is attached to.
Note: Whether the DHCP IP address can be used depends on
whether the network switch has a DHCP server installed. Only
fixed static IP addresses can be used with the Spider-HUB
because it does not have a DHCP server.
The Date and Time tab is used to change the internal clock setting of the module.
Figure 60: System Date and Time
Input Channel Settings in EDM
Typically, each Spider unit has 8 inputs, and up to 8 modules can be connected
together for a total of 64 inputs. Sensors or transducers convert physical
quantities, such as force, acceleration or displacement to voltages which can then
be measured by the front-end hardware. The software converts the measured
voltages back into physical units such as newtons, meters per second squared, or
centimeters using a sensitivity parameter as the proportionality constant.
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