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Installing/mounting
4.4 Installing option modules
Function
The alarm module triggers fault messages and alarms using digital outputs. The message
function is based on the change in the signal status:
● If the signal status is "HIGH", there is no alarm message and the digital outputs are
● If the signal status is "LOW", the module reports an alarm by shutting down the digital
● Thanks to the dynamic control, this module can report the arising operational faults
In addition to the digital outputs, the alarm module is also equipped with a dual-functionality
digital input DI 2. Depending on the selected parameters, the DI 2 is, for example, used to
block the actuator or move it to its end position.
Features
The alarm module has the following features:
● Available in two device versions.
● Three digital outputs DO1, DO2, DO3. The digital outputs are potentially separated from
● One digital input DI2. The digital input has dual functionality.
Procedure
38
conductive.
outputs using a high-resistance.
automatically, such as a processor fault or power failure. The operational faults are
reported by changing the outputs to a high-resistance status. Set the respective
parameters to activate and parameterize the output of alarms and fault messages.
– Device version for connecting to a switching amplifier in conformity with EN 60947-5-
6.
– Non-explosion-proof version for connecting to power sources having a maximum of
35 V.
the standard controller and from each other.
– Potentially separated for voltage level
– Not potentially separated for floating contacts. Both inputs are implemented as logical
OR combination.
SITRANS VP300 with or without HART
Operating Instructions, 03/2011, A5E01258666-03
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