Siemens SINAMICS IOP-2 Operating Instructions Manual page 44

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7.2 Diagnostics
I/O simulation
Loss of control of the converter
If the converter is started using the I/O simulation and the IOP-2 is removed from the
converter it will not be possible to stop the converter running the motor. If the I/O simulation
is activated, then only the I/O simulation can be used to stop the converter.
The IOP-2 simulation screen allows digital and analog IOs to
be simulated without the requirement for external signals.
These features are of great benefit during commissioning and
fault finding, as the user can quickly simulate a situation
without using wires, tools and external equipment.
For example:
• A digital input can be made high without any wires in the
terminals.
• An analog input or output can be driven to any value
without any wires in the terminals.
• A simulation can be overridden and made high.
The screen presents the following options:
• I/O - Three I/Os can be simulated - two digital and one
analog.
• Status - this indicates the real-time status of the input or
output. If the square is shaded then the input or output
signal is present. This is a read-only section of the screen.
• Control - this column of the screen displays the present
status of the input or output and can be altered.
Drive enables
The drive enables screen displays a list of all the current
enabling signals for the converter. If the enable signal is
present and active it will be selected
not present and is not active it will be unselected ☐.
This screen is read-only and is for information purposes only.
44
WARNING
. If the enable signal is
Operating Instructions, 04/2017, FW V2.0, A5E39549448B AA
Intelligent Operating Panel 2 (IOP-2)