35
Electrical installation
Type 8746 Profibus, 8746 Analogue
8.3.1
Digital input
The 5-pin M12 female connector has a digital input. A digital input
is used to remotely trigger a function. The following functions are
available:
•
MFC: Start the function autotune.
•
MFC: Trigger the remote control of the actuator or trigger the
control of the actuator by the product.
•
MFM or MFC: Reset the totaliser for the active gas.
•
MFM or MFC: Select which gas is active among 3 gases.
Tab. 23 shows the function that is assigned by default to the
digital input of the 5-pin M12 female connector of an MFM or an
MFC.
Tab. 23:
Default assignment of the digital input of the 5-pin M12 female
connector
product variant analogue
default assignment
MFM
No assignment
MFC
start autotune
→
To choose the function to be remotely triggered over the digital
input, use the Bürkert Communicator software. To connect
the product to the Bürkert Communicator software, refer to
chpt. 10.4. Only one of the available functions can be associated
to the digital input.
A function has 1, 2 or 3 possible switching levels. If a function
has several switching levels, then each switching level triggers
another action. Tab. 24 gives the actions that are associated to
the switching levels, and how each level is activated.
English
Summary of Contents for 8746
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