Description

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The SIMATIC Panels of the 70 Series have been the low-cost starter devices in the range of operator panels with graphical capability for several years. They are ideally suited to small-scale HMI tasks.
The pixel-graphics display can be used for the graphical display of the processes using, for example, bitmaps or bar charts. The font size can be varied to achieve excellent readability even at a distance.
As form factor, you can choose among the especially compact OP73 with a 3 inch display and the two versions of the OP 77 with their 4.5 inch display
SIMATIC OP 73/OP 77A and OP 77B are members of a complete and integrated SIMATIC HMI family of panels that can be configured with the engineering software SIMATIC WinCC flexible. Even the low-cost WinCC flexible Compact package can be used.

For all panels of  the series 70  succesor devices are available. These panels from the Basic or Comfort Panel families offer all the advantages  of  the recently developed devices.

Area of application

Operator panels for small-scale HMI tasks with S7 controllers that were formerly solved with text-oriented HMI devices. 
The OP 77B can also be connected to SIMATIC S5 and several controllers of other manufacturers.

Benefits

Design and functions

SIMATIC OP 73
Designed for replacing the Text Panel OP3 the OP 73 offers a 3 inch monochrome graphic display, language switching, user administration and a comprehensive alarm system. It can be connected to S7 controller via MPI or PROFIBUS.
As a successor with a similiar footprint and range of application you can use the KP300 Basic mono for PROFINET environments which is considerably lower priced.

SIMATIC OP 77A
Designed for replacing the Text Panel OP7 the OP 77A offers a 4.5 inch monochrome graphic display, language switching, user administration and a comprehensive alarm system.
A comprehensive keypad including 8 freely configurable function keys provides convenient operation. The OP 77A can be connected to S7 controllers via MPI or PROFIBUS.
As a mounting compatible successor you can use the KP400 Basic color (in preparation) in future. The PROFINET capable device offers a color display with a much higher resolution.

SIMATIC OP 77B
like the OP 77A but equipped with additional interfaces and drivers to get connected to SIMATIC S5 or controllers from other manufacturers.
Because of the many options in regard to connectivity replacing the OP 77B with a KP400 Basic color (in preparation) may not work in every application. In this case you should change to a much more powerful KP400 Comfort.

Technical data