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7-2
Maintenance Functions of DST1-series Safety I/O Terminals
DST1-series Safety I/O Terminals support the same maintenance functions as DRT2-series Smart Slaves,
which are Standard Slaves.
7-2-1
Network Power Supply Voltage Monitor
Description
DST1-series Safety I/O Terminals always monitor the present, minimum, and maximum values of the net-
work power supply voltage. If the voltage falls below the set threshold voltage (11 V in the default settings),
the Threshold Network Power Voltage Error Flag will be turned ON in the General Status. The user can mon-
itor this information using the Network Configurator and explicit messages.
Note: – The minimum communications power voltage of the DeviceNet is 11 V. If the voltage falls below 11
V, the Configurator may not be able to read measured values.
– The present, maximum, and minimum values of the network power supply voltage are cleared when
the power supply to the DST1-series Safety I/O Terminal (network power) is turned OFF.
Setting the Threshold Network Power Supply Voltage Using the Network Configurator
Set the threshold voltage in the Threshold Network Power Voltage Field in the General Parameter Group.
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Section 7: Monitoring Devices
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