2. Technical Description
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2. Technical Description
This chapter presents all technical features from Nexto Series CPUs NX3004, NX3005, NX3010,
NX3020 and NX3030.
Panels and Connections
The following figure shows the CPU NX3030 front panel.
Figure 2-1. CPU NX3030
As it can be seen on the figure, on the front panel upper part is placed the graphic display used to
show the whole system status and diagnostics, including the specific diagnostics of each module. The
graphic display also offers an easy-to-use menu which brings to the user a quick mode for parameters
reading or defining, such as: inner temperature (reading only) and local time (reading only).
Just below the graphic display, there are 2 LEDs used to indicate alarm diagnostics and watchdog
circuit. The Table 2-1 shows the LEDs description. For further information regarding the LEDs status
and meaning, see Diagnostics via LED chapter.
Table 2-1. LEDs Description
Nexto Series CPUs has two switches available to the user. Table 2-2 shows the description of these
switches. For further information regarding the diagnostics switch, see chapters One Touch Diag and
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General