Connecting; Pin Assignment Of The Interfaces; Power Supply; Ethernet Ports X20, X21 - Siemens SINUMERIK 840 sl Manual

Connecting

6.1

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
O
B
V
-
6.1.1

Power supply

Connector designation:
Connector type:
Max. cable length:
6.1.2

Ethernet ports X20, X21

Connector designation:
Connector type:
Max. data transmission rate:
Max. cable length:
Connector assignment:
Machine control panel: MCP 398C
Manual, 07/2018, A5E43199783B AB
Input
Output
Bidirectional (inputs/outputs)
Power supply
Ground (reference potential) or N.C. (not connected)
Pin Name
1 P24 (+)
2 M24 (-)
3 Functional earth
Pin Name
1 RX+
2 RX-
X10
Terminal block, 3-pin male connector
10 m
Type Meaning
V/V/- 24 VDC potential (20.4 to 28.8 VDC)
0 V
Connection for grounding the housing
X20, X21
Standard RJ45 socket
10/100 Mbit/s
100 m
Downlink (switch)
Type Remark
I Receive +
I Receive -
6
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