Connecting; Pin Assignment Of The Interfaces - Siemens SINUMERIK 840D sl Equipment Manual

Connecting

5.1

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
VI
VO
-
USB interface
The USB interface is implemented as socket and complies with the generally applicable standard.
The USB interface has the following features:
• Integrated power supply up to 500 mA for each socket.
• Maximum cable length 3 m (Length including the supply cable to the hub and the connected
terminal device; only 1 hub at maximum is permitted. It should be noted that some keyboards
already have a hub.)
• Hot-plugging-capable devices are connected during operation and are identified
automatically.
Note
Correct identification is only guaranteed for USB I/Os that comply to 100% with the USB
specification.
Operator panel front: OP 010S
Equipment Manual, 12/2022, A5E50751046B AA
Input
Output
Bidirectional (inputs/outputs)
Power supply
Input voltage
Output voltage
Ground (reference potential) or N.C. (not connected)
NOTICE
Cables that are too long can cause the screen to freeze
Observe the following restrictions for the USB front interface for connecting operator
panels to the keyboard, mouse or USB FlashDrive:
• Maximum cable length: 1.8 m
• Extension cables are not permissible
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