Siemens SIMATIC HMI Series Getting Started page 14

Replacing an HMI device
2.2 Mounting cut-out
Compatibility of the mounting cut-outs
You can install the Comfort HMI devices in the mounting cut-outs of the following
predecessor devices:
Comfort HMI device
KP400 Comfort
KTP400 Comfort
KP700 Comfort
TP700 Comfort
KP900 Comfort
Note that despite the same dimensions for the mounting cut-out, the device depth and/or the
enclosure front dimensions may differ from the respective dimensions of the predecessor
devices.
HMI devices with similar mounting cut-outs
The following figures will clarify the changes you have to make to the mounting cut-out to
install a Comfort HMI device.
Width and height are always given in millimeters.
The following figure shows the dimensions of the mounting cut-out for the OP 177B (blue)
and the KP700 Comfort (orange):
14
Predecessor device
OP 77B
TP 177B 4''
OP 277
TP 177B
MP 177
TP 277
MP 277 8" Key
Mounting cut-out (in mm)
135 x 171
122 x 98
281 x 177
197 x 141
338 x 206
Migration Guide Comfort Panels
Getting Started, 03/2011, A5E03478626-01