Siemens SINUMERIK 828D Manual page 103

Optional customer buttons IN (X51 / X52 / X55)
Only switches (passive inputs) may be connected via the X51, X52 and X55 connectors.
Connector X55 is used to connect the mini HHU.
X51 and X52 are usually intended for connecting illuminated pushbuttons.
The lamps in the buttons are activated via X53 and X54. X55 has no corresponding outputs.
Figure 11-14 Main circuit diagram for input circuit for X51, X52 and X55
Connector designation:
Connector type:
Table 11- 22 Assignment of connector X51
Pin
1
2
3
4
Table 11- 23 Assignment of connector X52
Pin
1
2
3
4
Table 11- 24 Assignment of connector X55
Pin
1
2
3
4
PPU
Manual, 06/2009, 6FC5397-2DP10-0BA0
Signal name Signal type
KT-IN1
I
KT-IN2
KT-IN3
M V
Signal name Signal type
KT-IN4
I
KT-IN5
KT-IN6
M V
Signal name Signal type
KT-IN7
I
KT-IN8
KT-IN9
M V
X51, X52, X55
4-pin plug connector
Meaning
Customer key 1
Customer key 2
Customer key 3
Ground
Meaning
Customer key 4
Customer key 5
Customer key 6
Ground
Meaning
Customer key 7
Customer key 8
Customer key 9
Ground
Spare parts/accessories
11.2 MCP 310C PN
103