6.1.7 Interface for direct keys
X11 on the operator panel (OP) fronts can be used to fetch the state of the direct keys. The
connection of a 20-pin ribbon cable allows the direct keys to evaluate the following components:
• Direct key module (DTM)
• X70 in the machine control panels (MCP, MPP) and the handwheel connection module (HAM)
• X205 on the Thin Client Unit (TCU)
The signals are then forwarded to the control over the various communications networks. Note
that DTM and HAM can be operated only with PROFIBUS DP.
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Figure 6-2 Assignment of the direct keys to the vertical softkeys of an operator panel front
16 digital inputs (5 V) can be fetched via the X11 connector.
Connector designation: X11
Connector type: 20-pin male connector
Max. cable length: 0.85 m
Table 6-1 Assignment of connector X11
Pin Name Type Meaning
1 DT1
O
Direct key 1
... ... ...
16 DT16 Direct key 16
17 P5V
V
+ 5 V (fused)
18 P5V + 5 V (fused)
19 GND Ground
20 GND Ground
Connecting
6.1 Pin assignment of the interfaces
Machine Pushbutton Panel: MPP 464 IE H
Equipment Manual, 03/2021, A5E50810237B AA 51
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