Siemens SINUMERIK MPP 1500D Equipment Manual page 42

Connecting up
6.3 Pin assignment of the interfaces
Optional customer keys (X53/X54)
Outputs X53/X54 are provided to activate lamps in the keys. Lamps with 1.2 W and maximum
0.15 A per output are recommended.
High-side switches serve as output drivers, which switch 24 V to the lamps and which limit the
current when a short circuit occurs.
Figure 6-2
Note
No connection for relays, valves or inductive loads
Do not connect any relays, valves or other inductive loads.
Interface:
Connector designation:
Connector type:
Maximum cable length:
Table 6-13
42
Pin Name
3 KT-IN9
4
Outputs X53 and X54
Optional customer keys OUT
X53 / X54
4-pin male connector
2 m
Assignment of connector X53
Pin Name
1 KT-OUT1
2 KT-OUT2
3 KT-OUT3
4
Type
I
M V
Type
O
O
O
M V
Machine Push Button Panel: MPP 1500D / MPP 1500E
Equipment Manual, 04/2021, A5E50753610B AA
Meaning
Customer key 9
Ground
Meaning
Customer key 1 lamp
Customer key 2 lamps
Customer key 3 lamps
Ground