Hardware Information
7-9
SIMATIC Box PC 620 Manual
A5E00131465-03
7.4
Monitoring functions
The LEDs described in the following passages exist only for specific device
models. The basic model of the Box PC 620 has no LEDs. The hardware signals
are described in Section 7.5.2.
7.4.1
Overview
Function
The following individual functions are implemented:
Temperature monitoring and excess/insufficient temperature indication
Watchdog
Monitoring the processor fan
Messages from the monitoring modules can be transferred to applications.
The program SOM (Safecard On Motherboard) as well as drivers for Windows are
available on the units for this. The status can be displayed or limits parameterized
thereby.
You will find a description of the drivers and the SOM program on the
Documentation and Drivers CD in the \Drivers.*\Safeonbo.ard directory.
7.4.2
Signals on the Front Interface
The meaning of the indicators is as follows:
LED
OFF
GREEN
RED
Watchdog
Watchdog not
active
Watchdog active
Watchdog executed
Temp
Inside temperature
normal
Inside temperature
outside the permissible
range.
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