Connection
4
4.1
Pin assignment of the interfaces
The pins of the component interfaces are assigned as specified in the tables below. Any
deviations are indicated at the relevant point.
Signal type
I
Input
O
Output
B
Bidirectional (inputs/outputs)
V
Power supply
-
Ground (reference potential) or N.C. (not connected)
4.1.1
Power supply
Connector type:
Terminal block, 3-pin contact strip, screw type
Max. cable length:
10 m
Table 4-1
Assignment of the power supply interface
Pin
Name
Type
Meaning
1
P24 (+)
V/V/-
24 VDC potential (20.4 to 28.8 VDC)
2
M24 (-)
0 V
3
Functional earth
Connection for grounding the hous‐
ing
4.1.2
USB interfaces
The USB interfaces are implemented as sockets and comply with the generally valid standard.
The version information (1.1, 2.0 etc.), the maximum velocity (low speed, full speed, etc.) and
the socket type (A or B) are documented in the individual sections for the associated devices.
TCU 30.3
Manual, 09/2017, A5E40874197
25
Summary of Contents for SINUMERIK 840D sl TCU 30.3
Page 18: ...Description 2 4 Rating plate TCU 30 3 18 Manual 09 2017 A5E40874197 ...
Page 32: ...Connection 4 1 Pin assignment of the interfaces TCU 30 3 32 Manual 09 2017 A5E40874197 ...
Page 72: ...Networking 5 4 Service and diagnostics TCU 30 3 72 Manual 09 2017 A5E40874197 ...
Page 86: ...Safety symbols TCU 30 3 86 Manual 09 2017 A5E40874197 ...
