2 OPERATIONAL DESCRIPTION
In network installations, PS-S.640.30.1 supplies one KNX TP line and monitors all relevant data. With its
default settings the PS-S.640.30.1 operates as is supposed to.
Communication objects are used to request device status and measurement values. The measured values
can be sent a er request, a er a certain change (measured value, device status) and periodically. Here, a
certain change of the measured value means the difference between actual value and last sent value.
Number and duration of overloads are stored. The same applies for the number of short circuits, device
startups, KNX bus resets and for the duration of load detachments. The total operating time of the device
and its operating time since last device startup are stored, too. Threshold values can be set for the bus
voltage (only in the additional alarms), total current, telegram traffic and internal device temperature.
Regarding maximum current values and maximum device temperature values, a tracking period can be
set. At the end of every tracking period the maximum measured value can be sent on the bus or just be
set as value of the appropriate object. Four different Alarm tabs (see chapter
3.7
) can be used to send an
info telegram (containing
«
0
»
or
«
1
»
) about over/under threshold events and to switch other devices. A er
assignment of the measurement source (
«
Output current
»
,
«
Device temperature
»
,
«
Output Voltage
»
) each
alarm can be configured individually.
2.1 DEVICE/BUSLINE DIAGNOSTICS APPLICATION
The diagnostic measurement sources and event counters can be activated and deactivated. When
activated, the device monitors the relevant values.
2.2 DIAGNOSIS
The bus voltage, bus current and internal device temperature are measured constantly. The telegram
traffic extent is determined additionally. For each of these measurement sources a threshold value can be
set. A er setting the threshold value the threshold type can be selected (limit undercut/limit exceeded)
and the behaviour on alarm activation/deactivation can be configured. A maximum value tracking feature
with pre-settable tracking period can also be activated.
2.2.1 MEASUREMENT SOURCES
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