Siemens SINUMERIK 840D sl TCU 30.3, Manual

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Table 4-8 Assignment of connector X70 (MCP, MPP, HAM) / X205 (TCU) / DTM
Pin Name Type Meaning
1 DT1
I
1)
Direct key 1
... ... ...
16 DT16 Direct key 16
17 P5V / CON1
2)
V
+ 5 V input voltage
3)
18 P5V / CON2
2)
+ 5 V input voltage
3)
19 GND Ground
20 GND Ground
1)
The inputs are electrically isolated for MCP / MPP / HAM and DTM.
2)
For the TCU, it is evaluated whether the direct keys have been connected.
3)
Power consumption: 100 mA for MCP / MPP / HAM; 500 mA for DTM
Table 4-9 Signal level
HIGH level: 5 V or open
Low level <= 0.8 V
Connection
4.1 Pin assignment of the interfaces
TCU 30.3
Manual, 09/2017, A5E40874197
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