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SINUMERIK 840D sl. Service - Configuring Commissioning. Manual (2011-2020) - page 28

System overview

2.2 System configuration

2.2

System configuration

The heart of the SINUMERIK 840D sl is the Numerical Control Unit (NCU). It combines NCK,

HMI, PLC, closed-loop control and communication tasks.

Components

For operation, programming, and visualization purposes, the corresponding operating

software is already integrated into the CNC software for the NCU and therefore runs on the

high-performance NCU multi-processor module. For increased operating performance

requirements, the SINUMERIK PCU 50.5 industrial PC can be used.

With the TCU (Thin Client Unit), the operator panel can be installed as much as 100 meters

away. Up to four distributed operator panel fronts can be operated on an NCU or PCU 50.5.

Figure 2-1

Typical topology of the SINUMERIK 840D sl complete system

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System overview

2.4 SINAMICS S120 / SINUMERIK 840D sl Component Overview

Components of the SINAMICS S120 drive system and SINUMERIK 840D sl control

Figure 2-2

SINAMICS and SINUMERIK components

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System overview

2.5 User interface software (HMI software)

2.5

User interface software (HMI software)

The HMI software is used to operate and program machine tools. It is available in several

versions as user interface software integrated into the CNC software:

● SINUMERIK Operate

● SINUMERIK Integrate

Connection of the NCU 7x0.3 to the HMI software

A Thin Client Unit (TCU) or, if higher operating performance is required, an industrial PC

PCU 50.5, is responsible for communication between the NCU and the operator panel front.

Figure 2-3

HMI software connection options

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System overview

2.5 User interface software (HMI software)

Switching between operator panels

When an Ethernet switch is used, you can switch between embedded HMI (available on

NCU) and HMI-Advanced (available on PCU 50.5).

Figure 2-4

HMI connection with switch

Note

Detailed information about the operator panels, TCU and PCU 50.5 is contained in the "sl

Operator Components Equipment Manual" and in "CNC Commissioning, Part 2 (HMI)".

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SINUMERIK 840D sl

3.1 Control Unit NCU 7x0.3 PN

3.1.2

Interface description

Overview

The following diagram shows an NCU 730.3 PN with its interfaces and control and display

elements (fault displays and status indicators):

Figure 3-1

NCU 730.3 PN interfaces

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SINUMERIK 840D sl

3.1 Control Unit NCU 7x0.3 PN

Component

Description

TM120

The TM120 Terminal Module is used for temperature evaluation with

protective separation. It can be used for 1FN and 1FW6 motors as

well as motors from third-party manufacturers.

CUA31

The CUA31 Control Unit Adapter converts the PM-IF interface to a

DRIVE-CLiQ interface. The CUA31 Control Unit Adapter makes it

possible to operate Power Modules in blocksize format on an NCU

7x0.3 PN as well.

Note

Although the TM31, TM54F, and TM150 Terminal Modules and the CUA32 Control Unit

Adapter are DRIVE-CLiQ components, they are not supported by SINUMERIK 840D sl and

for this reason are not addressed in this documentation.

Terminal assignment

Table 3- 3

DRIVE-CLiQ interfaces X100-X105 (with NCU 710.3 PN only X100-X103)

Pin

Signal name

Technical data

1

TXP

Transmit data +

2

TXN

Transmit data -

3

RXP

Receive data +

4

Reserved, do not use

5

Reserved, do not use

6

RXN

Receive data -

7

Reserved, do not use

8

Reserved, do not use

A

+ (24 V)

Power supply

B

M (0 V)

Electronics ground

Connector type

RJ45 jack

The blanking covers for the DRIVE-CLiQ interfaces are included in the scope of delivery.

Blanking covers (50 pieces) Order number: 6SL3066-4CA00-0AA0

For additional specifications for the DRIVE-CLiQ interface and various DRIVE-CLiQ

topologies, see the chapter titled DRIVE-CLiQ topologies (Page 99).

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SINUMERIK 840D sl

3.1 Control Unit NCU 7x0.3 PN

3.1.3.2

Digital inputs/outputs X122, X132 and X142

The NCU 7x0.3 PN has three terminal strips, each with 14 terminals. These are used to

control a total of 16 digital inputs, 4 digital outputs, and 8 digital input/outputs. The DIs/DOs

of terminal strips X122 and X132 are used for connecting SINAMICS drives, while the

DIs/DOs of X142 are used for controller connection purposes. When an NCU 7x0.3 PN is

commissioned using the integrated drive wizard in the SINUMERIK Operate HMI software, a

number of terminals are preassigned concrete functions.

X122 terminal assignment (NCU 7x0.3 PN) using the drive wizard

Pin

Function

Assignment recommendation

BICO source/sink

no.

1

Input¹⁾

ON/OFF 1 infeed for:

CU: r0722.0

Line Module: p0840

Line Module with DRIVE-CLiQ connection

Alternative assignment:

"Infeed ready signal" for:

SLM X21.1

Each drive p0864

Line Module without DRIVE-CLiQ connection

2

Input

"OFF3 - rapid stop"

CU: r0722.1

Each drive

2. OFF3, p0849

3

Input

SH/SBC 1 - Group 1

CU: r0722.2

p9620 (all drives in the

SINAMICS Safety Integrated

group)

(STO enable = p9601)

4

Input

SH/SBC 1 - Group 2

CU: r0722.3

p9620 (all drives in the

SINAMICS Safety Integrated

group)

(STO enable = p9601)

5

Input

No system default

6

Input

No system default

7

Ground for pins 1 to 6

8

Ground for pins 9, 10, 12, 13

9

Output

SH/SBC 1 - Group 1

CU: p0738

p9774 Bit 1

SINAMICS Safety Integrated

BICO from CU after the

first drive in the group

10

Output

SH/SBC 1 - Group 2

CU: p0739

p9774 Bit 1

SINAMICS Safety Integrated

BICO from CU after the

first drive in the group

11

Ground for pins 9, 10, 12, 13

12

Input

BERO 1 - external zero mark

CU: r0722.10

p0495 = 2

13

Input

Probe 1 - central measuring (check that MD13210 =

CU: p0680[0] = 3

Each drive

0)

p0488[1...3] = 0

14

Ground for pins 9, 10, 12, 13

¹⁾ positive edge required!

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SINUMERIK 840D sl

3.1 Control Unit NCU 7x0.3 PN

X132 terminal assignment (for NCU 7x0.3 PN) using the drive wizard

Pin

Function

Assignment recommendation

BICO source/sink

no.

1

Input

No system default

2

Input

No system default

3

Input

No system default

4

Input

Line contactor, feedback signal

CU: r0722.7

Line Module: p0860

5

Input

2. OFF 2

CU: r0722.20

Drive: p0845

6

Input

No system default

7

Ground for pins 1...6

8

Ground for pins 9, 10, 12, 13

9

Output

Infeed operation (Line Module with DRIVE-CLiQ

LM : r0863.0

CU: p0742

connection)

10

Output

Infeed ready to start (if Line Module with DRIVE-

LM : r0899.0

CU: p0743

CLiQ connection)

11

Ground for pins 9, 10, 12, 13

12

Output

Line contactor control

LM : r0863.1

CU: p0744

Otherwise:

BERO 2 - external zero mark

CU: r0722.14

Drive: p0495 = 5

Input

13

Input

Probe 2 - central measuring (check that

CU: p0680[1] = 6

Each drive

MD13210 = 0)

CU: p0728

p0489[1...3] = 0

Bit 15=0

14

Ground for pins 9, 10, 12, 13

X142 terminal assignment (for NCU 7x0.3 PN) using the drive wizard

Pin no

Function

1

Reserved (not connected)

2

Reserved (not connected)

3

Input

Digital input $A_IN[1]

4

Input

Digital input $A_IN[2]

5

Ground for pins 3, 4, 6, 7, 9, 10, 12, 13

6

Input

Digital input $A_IN[3]

7

Input

Digital input $A_IN[4]

8

Ground for pins 3, 4, 6, 7, 9, 10, 12, 13

9

Output

Digital output $A_OUT[1]

10

Output

Digital output $A_OUT[2]

11

Ground for pins 3, 4, 6, 7, 9, 10, 12, 13

12

Output

Digital output $A_OUT[3]

13

Output

Digital output $A_OUT[4]

14

Ground for pins 3, 4, 6, 7, 9, 10, 12, 13

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3.1 Control Unit NCU 7x0.3 PN

DI-DO block diagram of NCU 7x0.3 PN

①

Jumper open: galvanic isolation for digital inputs

②

Assign parameters as digital input/output

Figure 3-2

Block diagram of X122, X132, and X142 interfaces

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SINUMERIK 840D sl

3.1 Control Unit NCU 7x0.3 PN

X150 pin assignment

Table 3- 5

PROFINET interface X150 ports 1, 2

Pin

Signal name

Signal type

Meaning

1

TXP

B

Transmit data +

2

TXN

B

Transmit data -

3

RXP

B

Receive data +

4

-

-

Reserved, do not use

5

-

-

Reserved, do not use

6

RXN

B

Receive data -

7

-

-

Reserved, do not use

8

-

-

Reserved, do not use

Signal type: B = bidirectional

Note

The PROFINET interface has what is known as MDI/MDI-X autocrossing functionality; i.e.

when required, transmit and receive lines are switched over. Thus, no crossover cables are

necessary.

3.1.3.4

PROFIBUS interface X126

Properties

● Isochronous mode possible

● Isolated RS 485 interface

● Max. data rate 12 MBaud

● Supports master/slave operation

● PROFIBUS address is set via configuration

Note

Isochronous operation with PROFIBUS DP for the NCU is only possible at the line of

terminal X126.

On the line of terminal X136, only signals from the PLC I/O, and not from SINAMICS drive

units, can be evaluated. Therefore, this terminal will not be taken into account in the

description that follows.

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SINUMERIK 840D sl

3.1 Control Unit NCU 7x0.3 PN

Use

The following devices can be connected to PROFIBUS DP interface X126:

● Distributed I/O

● Drive units with PROFIBUS DP interface (standard slaves)

Cable specification

The PROFIBUS cable is 2-wire, twisted, and shielded with defined technical data.

Table 3- 6

Cable specifications for X126

Features

Version

Connector type

9-pin SUB D connector

Cable type

PROFIBUS cable

Max. cable length

100 m at 12 Mbps

X126 pin assignment

Table 3- 7

PROFIBUS DP interface X126

Pin

Signal name

Meaning

Area

1

-

Reserved, not assigned

2

M24_SERV

Power supply for teleservice,

0 V

ground

3

RxD/TxD-P

Receive/transmit data P (B)

RS485

4

CNTR-P

Control signal

TTL

5

DGND

PROFIBUS data reference

potential

6

VP

Supply voltage plus

5 V ±10%

7

P24_SERV

24 V for teleservice, short-circuit

24 V (-15% to +20%)

proof, 150 mA maximum

8

RxD/TxD-N

Receive/transmit data P (A)

RS485

9

-

Reserved, not assigned

Connector type: 9-pin SUB-D connector

The supply voltage VP is provided exclusively for the bus terminal

A teleservice adapter can be connected to the PROFIBUS interface for remote diagnostics

purposes. The power supply for the teleservice (pins 2 and 7) can have a load of up to

150 mA.

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3.1 Control Unit NCU 7x0.3 PN

NOTICE

Destruction of components if equipotential bonding conductor is missing

If an equipotential bonding conductor is not used, high leakage currents that could destroy

the Control Unit or other PROFIBUS nodes can be conducted via the PROFIBUS cable.

• An equipotential bonding conductor with a cross-section of at least 25 mm² must be

used between components in a system that are located at a distance from each other.

PROFIBUS connector

For the first and last nodes in a bus line, the terminating resistors must be switched-in.

Otherwise, data transmission will not function correctly.

The bus terminating resistors are activated in the connector.

The cable shield must be connected at both ends through a large surface area.

3.1.4

LED displays

Position of the display and operator controls

Figure 3-3

NCU7x0.3 PN display and operator controls

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SINUMERIK 840D sl

3.1 Control Unit NCU 7x0.3 PN

Meaning of LED states

Table 3- 8

Meaning of LED states

Name

Function

Status

Meaning

RDY

Ready

Red

There is at least one fault (e.g. RESET, watchdog

monitoring etc. ) or the Control Unit is booting up.

Flashing red/orange

Error accessing CompactFlash Card

(0.5 Hz)

Orange

Accessing CompactFlash Card

Flashing orange (0.5 Hz)

Updating the firmware of the connected DRIVE-CLiQ

components

Flashing orange (2 Hz)

Firmware update is complete for components. Wait for

POWER ON for the components in question.

Green

NC powered up and everything in cyclic mode

Flashing green/orange or

LED-supported recognition of connected DRIVE-CLiQ

red/orange (1 Hz)

component is activated: (p0124[0] = 1).

RUN

PLC RUN

Green

PLC (programmable logic controller) ready for operation

STOP

PLC STOP

Orange

PLC stopped

SU/PF

PLC FORCE

Red

FORCE activated

SF

PLC SF

Red

PLC group error

DP

BUS1 F

Red

PROFIBUS group error X126

DP/MPI

BUS2 F

Red

PROFIBUS group error X136

PN

PN Fault

Red

PROFINET IO group error X150

SY/MT

MAINT

Orange

• Synchronization status (SY): No function

• Maintenance status (MT) of the NCU:

Maintenance request pending

OPT

-

-

No function

Note

PLC memory reset

If all the LEDs are flashing, the PLC (programmable logic controller) must be reset via the

mode selector (move switch to position "3" to reboot).

Note

When a connected SINAMICS Control Unit is powering up, all LEDs on the NCU briefly light

up orange. You can carry out a detailed diagnosis using a PG/PC and the operating

software.

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SINUMERIK 840D sl

3.2 NX1x.3 extension units

3.2.2

Representation of the NX1x.3

Interfaces

Figure 3-4

NX15.3 interfaces

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3.2 NX1x.3 extension units

LED displays

Table 3- 9

Description of LEDs on the NX10/15

LED

Color

Status

Description

Off

Electronics power supply outside permissible tolerance range

Continuous light

NX10/15 is ready for operation

RDY,

Green

Flashing 2 Hz

Writing to CompactFlash card of the connected NCU

READY

H1

Continuous light

At least one fault is pending (e.g., RESET, watchdog monitoring,

Red

basic system fault).

NX10/15 is booting up.

Flashing 0.5 Hz

Boot error (e.g. firmware cannot be loaded into the RAM)

Orange

Continuous light

Firmware loading into RAM

Flashing 0.5 Hz

Unable to load firmware into RAM

Flashing 2 Hz

Firmware CRC fault

Off

Electronics power supply outside the permissible tolerance range,

NX10/15 is not ready for operation.

DP1,

Green

Continuous light

CU_LINK is ready for communication and cyclic communication is

CU_LINK

running

H2

Flashing 0.5 Hz

CU_LINK is ready for communication and no cyclic communication is

running

Red

Continuous light

At least one CU_LINK fault is present.

CU_LINK not ready for operation (e.g., after POWER ON)

RESET button

The RESET button is on the front of the module under the cover.

Note

When the button is pressed, the locally connected drive systems are brought to a standstill,

without feedback to the control. In other words, the drive and controller run asynchronously

once the drive has successfully booted up.

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SINUMERIK 840D sl

3.2 NX1x.3 extension units

3.2.3

Interfaces and their terminal assignments

3.2.3.1

X122 digital inputs/outputs

The X122 terminal strip consists of 14 terminals, which are used to control 6 digital inputs

and 4 digital inputs/outputs. When an NX1x is commissioned using the integrated drive

wizard in the SINUMERIK Operate HMI software, a number of terminals are preassigned

concrete functions.

X122 (NX10/15) terminal assignment using the drive wizard

Pin

Function

Assignment recommendation

BICO source/sink

no.

1

Input

No system default

2

Input

No system default

3

Input

SH/SBC 1 - Group 1

NX: r0722.2

p9620 (all drives in the group)

SINAMICS Safety Integrated (STO enable =

p9601)

4

Input

SH/SBC 1 - Group 2

NX: r0722.3

p9620 (all drives in the group)

SINAMICS Safety Integrated (STO enable =

p9601)

5

Input

2. OFF 2

NX: r0722.16

Drive: p0845

6

Input

No system default

7

Ground for pins 1 to 6

8

Ground for pins 9, 10, 12, 13

9

Output

SH/SBC 1 - Group 1

NX: p0738

r9774 Bit 1

SINAMICS Safety Integrated

BICO from CU after the

first drive in the group

10

Output

SH/SBC 1 - Group 2

NX: p0739

p9774 Bit 1

SINAMICS Safety Integrated

BICO from CU after the first

drive in the group

11

Ground for pins 9, 10, 12, 13

12

Input

BERO 1 - external zero mark

NX: r0722.10

Drive: p0495 = 2

13

Input

BERO 2 - external zero mark

NX: r0722.11

Drive: p0495 = 3

14

Ground for pins 9, 10, 12, 13

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3.2 NX1x.3 extension units

DI-DO block diagram of NX1x.3

Figure 3-5

Block diagram of X122 interface

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SINUMERIK 840D sl

3.3 Option Board CBE30-2

Figure 3-6

NX10/15 topology

Additional references

For information on commissioning NX components, please refer to the "IBN CNC: NCK,

PLC, Drive Commissioning Manual".

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SINUMERIK 840D sl

3.3 Option Board CBE30-2

3.3

Option Board CBE30-2

3.3.1

Description

Using the Communication Board Ethernet CBE30-2, NCU link communication with up to

three NCU 7x0.3 PN Control Units can be configured on the basis of the generally released

standard configuration. In this way, up to 93 axes can be controlled using an NCU. For

CBE30-2, the option slot on the NCU is required.

Note

Only one option slot is available on an NCU 7x0.3 PN. This means that it is not possible to

use a CBE30-2 and other optional modules in parallel.

Note

Project-specific expansion

For a specific project, an NCU link group with more than three NCUs is available on request

from your regional Siemens contact person. Unless project-specific extensions are

implemented, more than three NCUs will be rejected with alarm 380020.

Illustration

Figure 3-7

CBE30-2 Ethernet communication board

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SINUMERIK 840D sl

3.3 Option Board CBE30-2

Link communication

The CBE30-2 is an optional PROFINET module for isochronous real-time communication

(IRT) via Ethernet.

Note

CBE30-2 only for use as link module

The CBE30-2 can only be used for NCU link communication. It is not possible to use it for

general PROFINET communication.

Figure 3-8

Principle of NCU link communication

The NCU link communication enables cross-NCU data exchange that is synchronous with

the interpolation cycle. Depending on the active functions, cyclic and non-cyclic data

transmissions occur between the NCUs involved in link communication.

Note

The NCU link communication is exclusively operated using ports 1 and 2. Ports 3 and 4

cannot be used and are not freely available.

Note

You can find more detailed information in the SINUMERIK 840D sl NCU 7x0.3 PN

Equipment Manual, as well as in the SINUMERIK 840D sl/828D Extension Functions

Function Manual.

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SINAMICS drive line-up

4.1 Structure of the drive line-up

Note concerning the use of components with a width of 50 mm

DANGER

Danger to life due to electric shock resulting from incorrectly installed DC link bridges

Incorrectly installed DC link bridges at the left-hand end of the drive line-up can cause an

electric shock.

• Remove the DC link bridges including the screws on a 50 mm-wide Motor Module or DC

link module.

• Do not tighten the screws without the DC link bridges.

• For all components that are 75 mm wide or wider, the DC link bridges must not be

moved to the left or removed.

Figure 4-1

Removal of the DC link bridge

The DC link bridges must be removed by loosening the M4 screws.

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SINAMICS drive line-up

4.1 Structure of the drive line-up

4.1.2

Single row layout

All required components, such as Control Unit and power units are arranged in a row. The

drive line-up is constructed depending on the available space in the control cabinet.

The following rule is used as installation rule of the power units from left to right:

● Line Module

● Motor Modules depending on their power, starting with the highest power and ending with

the lowest power

● DC link components (e.g. Braking Module, Control Supply Module, Capacitor Module)

Single row construction with line filter and line reactor

With Smart Line Modules and Basic Line Modules, line stabilizing technology line filters and

line reactors are used.

Figure 4-2

Single row construction with line filter and line reactor

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SINAMICS drive line-up

4.1 Structure of the drive line-up

Single row construction with Active Interface Module

Active Interface Modules are used exclusively in combination with Active Line Modules.

Figure 4-3

Single row construction with Active Interface Module

Note

Lower radio interference voltage through the use of a Basic Line Filter

Installing a Basic Line Filter before the AIM improves the radio interference voltage category

(see also the chapter titled Basic Line Filters for Active Line Modules (Page 127)).

See also

Connection of the SINUMERIK components (Page 66)

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SINAMICS drive line-up

4.1 Structure of the drive line-up

4.1.3

Two-row/Multiple-row construction

The components of the SINAMICS system can also be constructed as two or more rows. As

described above, the limit is the maximum DC link length and the current-carrying capacity of

the DC link busbar.

Note

Observe the installation and ventilation clearances in the chapter titled Note for connection

cable installation clearance (Page 78).

Two/multi-row construction with line filter and line reactor

Figure 4-4

Two-row construction with line filter and line reactor

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SINAMICS drive line-up

4.1 Structure of the drive line-up

Two/multi-row construction with Active Interface Module

Active Interface Modules are used exclusively in combination with Active Line Modules.

Figure 4-5

Two-row construction with Active Interface Module

DC link adapters are used to forward the DC link. Cross-sections of 35 mm² to 95 mm², max.

200 A, can be connected to the connection terminals.

The wiring outside the components is based on single-core, finely stranded, shielded cables.

These should be laid in such a way that they are inherently short-circuit and earth fault proof.

The individual wires must be shielded, and the shield must be attached at both ends.

Note

For information on the NCU 7x0 or NX1x layout, see Connection of the SINUMERIK

components (Page 66).

Note

Lower radio interference voltage through the use of a Basic Line Filter

Installing a Basic Line Filter before the AIM improves the radio interference voltage category

(see also the chapter titled Basic Line Filters for Active Line Modules (Page 127)).

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SINAMICS drive line-up

4.1 Structure of the drive line-up

Minimum size for the ventilation clearances for the two-/multi-row construction

Figure 4-6

Ventilation clearance for the two-row construction

● The distance between the rows of components largely depends on the wiring, the cable

cross-section, and the bending radius of the power cables to be connected.

● The inlet temperature of the air sucked in for cooling the components must not exceed

40 °C (with derating, it must not exceed 55 °C). This must be ensured by means of

suitable air guidance, e.g. involving the distance between the component rows or air

baffle plates.

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SINAMICS drive line-up

4.1 Structure of the drive line-up

4.1.4

Center infeed (single row construction) for 16 to 120 kW Line Modules

Another variant of the DC link supply is the center infeed. For the 16 to 120 kW Line

Modules, the DC link can be fed from both the left and right side of the device. This allows

the drive group to be mounted on both sides. The installation guidelines are the same as the

previous guidelines.

Center infeed with line filter and line reactor

Figure 4-7

Construction of center infeed with line filter and line reactor

Center infeed with Active Interface Module

Active Interface Modules are used exclusively in combination with Active Line Modules.

Figure 4-8

Center infeed installation with Active Interface Module

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4.1 Structure of the drive line-up

Decentralized structure with line filter and line reactor

Figure 4-9

Decentralized structure with line filter and line reactor

Decentralized structure with Active Interface Module

Active Interface Modules are used exclusively in combination with Active Line Modules.

Figure 4-10 Decentralized structure with Active Interface Module

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4.2 Connection of the SINUMERIK components

4.2

Connection of the SINUMERIK components

4.2.1

Layout and fastening of the NCU/NX modules

Fastening the NCU 7x0/NX modules

For the fastening of the NCU / NX modules, a differentiation is made between fastening

using direct installation, using fastening clip or using spacers.

The fastening of the NX component to the NCU differs depending on whether an NCU 710 or

an NCU 720/730 is used (cooling fins on the rear side of the NCU 720/730).

Fastening Possibilities

Figure 4-11 Main NCU-NX mounting types

Table 4- 1

Fastening possibilities for NCU 7x0 and NX

NCU 7x0

NX

NCU 7x0+NXs

A (direct to the Line Module)

possible

possible

-

B (with fastening clip)

-

possible

-

C (with spacer)

possible

possible

possible

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4.2 Connection of the SINUMERIK components

Note

To ensure the optimum reachability and the access to the connection plugs for digital signals

/ bus connections, the following placement notes should be observed.

4.2.2

Layout of the NX for single row construction integrated in the power unit group

If NX components are present, they should be added between the power unit and the NCU.

This ensures the best-possible reachability and access to the connection plugs for digital

signals / bus connections.

Figure 4-12 NX between NCU and Line Module

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SINAMICS drive line-up

4.2 Connection of the SINUMERIK components

4.2.3

NCU/NX layout as offset solution

The DRIVE-CLiQ connection of the SINAMICS components permits any layout of the NCU /

NX modules. The layout of the NCU / NX directly in the drive group is thus not mandatory.

This type of installation involves fastening clips or spacers. To stabilize a group containing

several NX components, specially prepared connection brackets can be fastened to the front

of the NX between the components.

Figure 4-13 NCU/NX as offset solution

4.2.4

Direct installation of a CU-/NCU-/NX module on the Line Module

The Line Modules permit the docking of a CU320-/NCU-/NX component using the fastening

elements present as standard on the left-hand side of the housing.

Remove the holder for securing the Control Unit.

If an additional component is to be flush-mounted to the left of the component, the holders

for securing the Control Unit must be removed.

Use suitable tools to lift the interlocking

Remove the holder

After the removing the holder

mechanism and push up the holder

(e.g. two 0.8 x 4.0 screwdrivers)

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4.3 Shield Connection

4.3

Shield Connection

For information on the shield connection, please see the dimension drawings of the

SINAMICS components.

For details of the shield connections of Active Interface Modules, refer to the relevant figures

in the Overview chapter. The shield connections are located near the line supply

connections.

4.3.1

SINAMICS Components Dimension Drawings (Internal Air Cooling)

Figure 4-14 Dimension drawing of shield connecting plate on a 100 mm component with internal air

cooling, all dimensions in mm and (inches)

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