Specifications

SIMATIC HMI Mobile Panels18
Connection point detection
The SIMATIC HMI Mobile Panel can be configured such that
the user interface changes according to the connection point.
The connection point is clearly detected when the Mobile
Panel is plugged into the connection box. This enables machine-
specific HMI authorizations or actions to be performed de-
pending on the selected connection point.
Integrated interfaces
Mobile Panels are available with PROFIBUS and PROFINET/
Ethernet connection. The connecting cable can be up to 25
meters long. The interfaces are already integrated and a vari-
ety of drivers – even for non-Siemens PLCs – are also included
in the scope of supply. The PROFINET connection boxes can be
connected in series with integrated switches.
Sophisticated safety concept
SIMATIC HMI Mobile Panels offer the option of making safety
functions available on a mobile basis at any point of a machine or
plant. They have two acknowledgement buttons with three
switching stages which ensure the protection of personnel and
machines in critical situations (dead man's switch). The acknowl-
edgement buttons are integrated into the handle on the back.
Device versions with an additional STOP button can be
inte-
grated into the emergency stop circuit of a machine or plant by
means of the connection boxes.
In this way, the STOP button offers the functionality of an emer-
gency stop button, but differs visually from conventional emer-
gency stop devices due to its gray color to avoid confusion.
STOP and acknowledgement buttons are designed with dual
circuits according to the safety regulations (EN 60204-1). This
means it is possible to achieve Safety Category 3 according to
EN 954-1.
Connection at one point of the machine
The "Basic" connection box is used for connecting SIMATIC
HMI Mobile Panels with STOP button to one point of the plant.
The disconnection of the device in this case causes an opening
of the emergency stop circuit and thus triggers the
emergency stop.
Variable connection to different stations of a machine or
plant
If you use a Mobile Panel with STOP button together with a
connection box "Plus", a configuration can be set up in which
the Mobile Panel can be used at different connection points.
When the Mobile Panel is connected, the device is looped into
the emergency stop circuit. The emergency stop circuit re-
mains closed regardless of whether the Mobile Panel is
plugged in or disconnected. If the Mobile Panel is disconnect-
ed during operation, the emergency stop circuit in the Plus
connection box is automatically closed which prevents trig-
gering of the emergency stop circuit.
The Plus connection box is also available in a SIPLUS extreme
version for extreme environmental conditions (e.g. use in cor-
rosive atmosphere/with condensation).
Further information: www.siemens.com/siplus-extreme
Variable connection to different stations, using the Mobile Panel 177 on the PROFIBUS as an example
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