Siemens SINUMERIK Series Function Manual

Extended Functions
Function Manual, 03/2013, 6FC5397-1BP40-3BA1
71
B3: Distributed systems - 840D sl only
2
2.1 Brief description
2.1.1 Several operator panels on several NCUs (T:M:N)
Under certain circumstances, a single operator control and monitoring station may not be
sufficient for complex plants and machines. Therefore, several operator control and
monitoring stations in a SINUMERIK system network (Ethernet) can be connected to several
numerical controls (NCU) via a PCU in such a way that they enable flexible and distributed
operation and monitoring of the entire system.
The following figure provides an overview of the components that currently can be connected
in a system network to form an operator control and monitoring system T:1:N. Meanings:
● T: Thin Client Unit (TCU) or HT8 handheld unit (connected to the PCU)
● 1 (M): Man Machine Control (MMC), PCU 50.x with SINUMERIK Operate
● N: Numeric Control Unit (NCU), NCU 7x0.3 PN
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Figure 2-1 Example of a T:1:N network

Siemens SINUMERIK Series Specifications

General

Axes Control	Up to 31 axes
Category	Control Unit
Manufacturer	Siemens
Series	SINUMERIK
Control Type	CNC
Communication Interfaces	Ethernet, USB
Operating Temperature	0°C to 45°C
Protection Class	IP20
Power Supply	24V DC
Display	Color TFT LCD