Festo CPX-4AE-4AA-H User manual

CPX-4AE-4AA-H
Input module
Operating instruc-
tions
8159929
2021-06b
[8159931]

Translation of the original instructions
CANopen®, DeviceNet®, EtherCAT®, EtherNet/IP®, HART®, PI PROFIBUS PROFINET® are registered
trademarks of the respective trademark owners in certain countries.

Festo — CPX-4AE-4AA-H — 2021-06b
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Table of contents
1 About this document. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1 Applicable documents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.2 Product labelling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.3 Specified standards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2 Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Safety instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Intended use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Training of qualified personnel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 Additional information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4 Product overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.1 Function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.2 Structure of analogue module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.3 Manifold block. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.3.1 Types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.3.2 Connection and display elements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.4 Product-specific terms and abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5 Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.1 General information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.2 Mechanically coding the manifold block. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.3 Mounting the electronics module and manifold block. . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.4 Dismounting the electronics module and manifold block. . . . . . . . . . . . . . . . . . . . . . . . . 15
6 Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.1 Prerequisites for installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.2 Power supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.3 Changing the configuration of the analogue current channels (DIL switches). . . . . . . . 15
6.4 Electrical. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.4.1 Notes on the cable connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.4.2 Attaching connecting cables to the manifold block M12. . . . . . . . . . . . . . . . . . 18
6.4.3 Attaching connecting cables to the manifold block terminals. . . . . . . . . . . . . 19
6.4.4 Mechanically coding the terminal connection. . . . . . . . . . . . . . . . . . . . . . . . . . 21
6.5 Connection scenarios. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
6.5.1 2-wire connection of passive HART transmitters. . . . . . . . . . . . . . . . . . . . . . . . 22
6.5.2 3-wire connection of passive HART transmitters. . . . . . . . . . . . . . . . . . . . . . . . 23
6.5.3 4-wire connection of active HART transmitters. . . . . . . . . . . . . . . . . . . . . . . . . 23
6.5.4 2-wire connection of passive HART actuators. . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.5.5 4-wire connection of active HART actuators. . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
7 Commissioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
7.1 Requirements for commissioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
7.2 Process image and address space allocation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
7.3 HART variables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

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7.4 Parameterisation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
7.4.1 Recommended parameterisation sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
7.4.2 Overview of parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
7.4.3 Description of the module and channel parameters. . . . . . . . . . . . . . . . . . . . . 27
7.5 Data format and range of values of the actual values. . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
7.5.1 Data format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
7.5.2 Input 4 … 20 mA - fixed data format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
7.5.3 Input 4 … 20 mA - scalable data format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
7.5.4 Input 0 … 20 mA - fixed data format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
7.5.5 Input 0 … 20 mA - scalable data format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
7.5.6 Output 4 … 20 mA - fixed data format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
7.5.7 Output 4 … 20 mA - scalable data format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
7.5.8 Output 0 … 20 mA - fixed data format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
7.5.9 Output 0 … 20 mA - scalable data format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
7.6 Scaling the range of values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
8 Diagnostics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
8.1 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
8.2 Error messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
8.3 LED display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
9 Technical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

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About this document
5
1 About this document
1.1 Applicable documents
All available documents for the product è www.festo.com/sp.
Document Table of contents
Brief instructions for CPX-4AA-4AE-H Instruction manual and important information on
use and safe application.
Description of CPX system (CPX-SYS) Mode of operation, assembly, installation and
commissioning of CPX terminals.
Description of bus node Commissioning, parameterisation and diagnos-
tics of the CPX terminal with the bus node.
Documentation for the components and the con-
nected peripherals
Usage of components.
Documentation for the higher-order controller
and the additional devices in the network
Commissioning and parameterisation of the com-
ponents.
Operating conditions for explosion protection For product versions with corresponding
approval: operating conditions in potentially
explosive atmospheres.
Tab. 1: Applicable documents
1.2 Product labelling
1
2
3
4
5
6
Fig. 1: Product labelling – example
1
Data Matrix Code
2
Revision code
3
14-character serial number
4
Manufacturing period (encoded)
5
Part number
6
Product designation
The product label is located on the top of the light guide è 4.3.2 Connection and display elements.
Scanning the printed Data Matrix Code with an appropriate device opens the Festo Support Portal,
with the information applicable for the product. Alternatively, the Product Key (11-digit alphanumeric
code on the product labelling) can be entered in the search field of the Support Portal.

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Safety
1.3 Specified standards
Version
NAMUR NE43:2003-02
Tab. 2: Specified standards
2 Safety
2.1 Safety instructions
–Only use the product if it is in perfect technical condition.
–Observe labelling on the product.
–Take into consideration the ambient conditions at the location of use.
–Prior to mounting, installation and maintenance work: Switch off power supply and secure it from
being switched back on.
–Comply with the handling specifications for electrostatically sensitive devices.
–Seal unused connections with cover caps to achieve the required degree of protection.
–Use connection hardware with the required degree of protection.
–Store the product in a cool, dry environment protected from UV and corrosion. Keep storage times
short.
–The product may generate high frequency interference, which may require interference suppression
measures in residential areas.
2.2 Intended use
The input module is intended solely for use in terminal CPX and terminal CPX-P of Festo. The input
module is referred to as an analogue module in this document.
–Operate the product only with suitable CPX bus nodes è Tab. 3 Suitable bus nodes/controllers and
required revisions.
Connect a maximum of 5 analogue modules with HART functionality to the bus nodes CPX-FB13
(PROFIBUS).
–Use only permissible combinations of module components è Tab. 4 Permissible combination of
manifold block and interlinking block.
–Only use the product in original status without unauthorised modifications. Only the conversions or
modifications described in this and the further applicable documents are permitted.

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Product overview
7
Bus node/controller Function range Required revision
CPX-FB13 (PROFIBUS) full HART functionality from Rev 34
CPX-FB33 (PROFINET IO) from Rev 34
CPX-M-FB34 (PROFINET IO) from Rev 33
CPX-M-FB35 (PROFINET IO) from Rev 33
CPX-FB36 (EtherNet/IP) from Rev 15
CPX-FB37 (EtherCAT) from Rev 7
CPX-FB43 (PROFINET IO) from Rev 45
CPX-(M)-FB44 (PROFINET IO) from Rev 45
CPX-(M)-FB45 (PROFINET IO) from Rev 45
CPX-CEC-C1-V3 Package 3.5.12.174
CPX-CEC-S1-V3 Package 3.5.12.174
CPX-CEC-M1-V3 Package 3.5.12.174
CPX-FB11 (DeviceNet) HART variables can be used in
the process image
from Rev 25
CPX-FB14 (CANopen) from Rev 30
Tab. 3: Suitable bus nodes/controllers and required revisions
Interlinking block Manifold block
CPX-P-AB-4XM12-4POL
Manifold block
CPX-P-AB-2XKL-8POL
Metal design permissible permissible
Polymer version not permissible permissible
Tab. 4: Permissible combination of manifold block and interlinking block
2.3 Training of qualified personnel
Work on the product may only be carried out by qualified personnel who can evaluate the work
and detect dangers. The qualified personnel have skills and experience in dealing with electrical
(open-loop) control technology.
3Additional information
–Contact the regional Festo contact if you have technical problems è www.festo.com.
–Accessories and spare parts è www.festo.com/catalogue.
4 Product overview
4.1 Function
The analogue module with HART functionality provides analogue current inputs and current outputs
and enables the recording and further processing of analogue current signals.
–4 analogue current channels, configurable as input or output by DIL switch
–LED indicators for status and fault indications on the module

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Product overview
–Error control parameterisable
–Scalable range of values (16 bits)
–Channel-wise signal range configurable:
–Without HART: 0 … 20 mA or 4 … 20 mA
–With HART: 4 … 20 mA
–Connection of the following field devices possible:
–2-, 3- or 4-wire sensors
–2-, 3- or 4-wire actuators
–HART functionality in accordance with HART Communication Protocol Specification 7.5
–Support of the HART protocol in the versions 5, 6 and 7
4.2 Structure of analogue module
1
2
3
Fig. 2: Structure of the analogue module —
example
1
Manifold block
2
Electronics module
3
Interlinking block with busbars

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Product overview
9
Module component Description
Manifold block –provides the connections for field devices è 4.3 Manifold block
Electronics module –contains the electronic components of the module
–it is connected to the interlinking block and the manifold block by plugs
Interlinking block –Housing bottom part for electrical and mechanical linkage of the CPX
modules
–Variant with connection possible for operating and load voltage
–Mounting option for entire CPX terminal
Tab. 5: Module components of analogue module
4.3 Manifold block
4.3.1 Types
Manifold block type Description
CPX-P-AB-4XM12-4POL
M12 manifold block
–4 M12 sockets, 4-pin
–For round plug M12x1 and SPEEDCON M12
–Screening possible using metal thread
CPX-P-AB-2XKL-8POL
Terminal manifold block
–2 pin headers COMBICON, 8-pin
–For terminal strips in spring-loaded and screw terminal tech-
nology
Tab. 6: Manifold blocks

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Product overview
4.3.2 Connection and display elements
1 2 3
4
5
5
6
7
5
5
8
9
Fig. 3: Connection and display components –
example of M12 manifold block
1
Module identifier
2
Product labelling, manifold block (on the
top of the light guide)
3
Module error display (red LED)
4
Channel error display (red LED)
5
Electrical connections (here: M12)
6
Earth terminal
7
Inscription fields
8
Slot for insulating plate
9
Channel status display (1 LED) per
channel/LED 0…3 (green): input/LED 0…3
(yellow): output
4.4 Product-specific terms and abbreviations
Term/abbreviation Meaning
A Output
CPX-Terminal (-P) Modular electrical terminal which is particularly suitable for use in the
process industry (intrinsically safe electronics modules available)
E Input
HART Highway Addressable Remote Transducer
HART protocol Bidirectional, platform-independent data transfer protocol that permits
access to the data of intelligent field devices
PAE Process image of inputs è process image.
PAA Process image of outputs è process image.

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Assembly
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Term/abbreviation Meaning
Process image The process image is part of a controller's system memory. At the start of
the cyclical program, the signal states of the input modules are transferred
to the process image for the inputs (PII). At the end of the cyclical program,
the process image for the outputs (PIO) is transferred to the output mod-
ules as a signal status.
PV Primary Value
QV Quaternary Value
SV Secondary Value
TV Tertiary Value
Tab. 7: Product-specific terms and abbreviations
5Assembly
5.1 General information
CPX terminals are delivered in assembled form. Additional assembly may be required for expansion or
conversion:
–Demounting or remounting of the connection block when exchanging the connection technology
–Demounting and remounting of the electronics module by setting the DIL switches or exchanging
the electronics module
Arrangement on the CPX terminal
For further information on the arrangement of the modules see the description of the CPX system and
the module documents è 1.1 Applicable documents.
5.2 Mechanically coding the manifold block
To prevent an incorrect allocation of the manifold block to the electronics module, this connection can
be mechanically coded.
–The electronics module has a permanently attached coding pin at the top .
–The manifold block has a recess for a coding piece at the bottom.
–Manifold block in pre-assembled CPX terminals are mechanically coded at the factory.
1
Fig. 4: Coding pin on the electronics module
1
Coding pin

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Assembly
Inserting the coding piece into the manifold block
1
2
3
4
5
Fig. 5: Mechanical coding of the manifold block – example
1
Manifold block
2
Latching hook on coding piece
3
Interlinking block with electronics module
4
Coding pin
5
Coding piece
1. Place the interlinking block and electronics module 3 on a flat surface.
2. With the latching hook 2 facing upward, place the coding piece on the coding pin 4.
3. Align the plug of the manifold block with the plug of the electronics module.
4. Push the manifold block onto the electronics module without tilting until the coding piece in the
manifold block engages.
Removing coding piece from the manifold block
To change the device configuration, the coding piece might have to be removed from the manifold
block.

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Assembly
13
12
3
4
5
Fig. 6: Remove coding piece
1
Cover with interlock
2
Tool (e.g. pin)
3
Coding piece
4
Manifold block
5
Plugs
1. Place the manifold block 4 on a flat surface with the top up.
2. Unlock and remove the cover 1.
3. Press out the coding piece 3 with a suitable tool 2.
4. Push the cover onto the plug of the manifold block 5.
5.3 Mounting the electronics module and manifold block
Requirements
–Supply voltage is switched off.
–The interlinking block is clean and free of foreign matter.
–DIL switches are set è Tab. 8 DIL switch settings.

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Assembly
1
2 2
2
2
3
4
5
6
7
Fig. 7: Mounting of the electronics module and
connection block – example
1
Manifold block
2
Screws T10
3
Electronics module
4
Busbars
5
Interlinking block
6
Coding pin
7
Plugs
Mounting the electronics module and manifold block
NOTICE
If threads are damaged or seals are defective, the device cannot achieve its specified IP degree of
protection.
Before mounting:
• Check the seals and thread. Replace damaged parts.
1. Check seal and seal surfaces. Replace damaged parts.
2. Place the electronics module in the interlinking block without tilting.
3. Press the electronics module to the stop.
4. Align the manifold block on the interlinking block with the electronics module.
5. Push the manifold block onto the interlinking block without tilting.

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Installation
15
6. Insert the screws and tighten them crosswise.
–Plastic interlinking block: use thread-grooving screws.
–Metal interlinking block: use screws with metric thread.
–Tightening torque 0.9 … 1.1 Nm.
5.4 Dismounting the electronics module and manifold block
1. Switch off the power supply of the entire terminal CPX:
–Compressed air
–Operating voltage for electronics and sensors
–Load voltage of valves
2. Loosen the screws of the manifold block.
3. Pull the manifold block out of the plug of the electronics module without tilting.
4. Pull the electronics module out of the contact rails of the interlinking block without tilting.
6 Installation
6.1 Prerequisites for installation
–Switch off the power supply of the entire terminal CPX:
–Compressed air
–Operating voltage for electronics and sensors
–Load voltage of valves
6.2 Power supply
The operating and load voltage supply is fed through interlinking blocks or end plates (Protective
Extra-Low Voltage, PELV) è Description of system CPX.
6.3 Changing the configuration of the analogue current channels (DIL
switches)
Description of the switch settings
The following analogue current channel functions can be configured with the DIL switches:
–Input or output channel
–Extension of the process image with HART variables (+16 bytes)
If the configuration of the analogue current channels is changed, observe the maximum address range
of the terminal CPX, e.g. if the process image is extended with HART variables.
Switch setting Variant PII PIO Description
Without HART variables
CPX-4AE-H 8 bytes 0 bytes Channel 0: input
Channel 1: input
Channel 2: input
Channel 3: input

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Installation
Switch setting Variant PII PIO Description
CPX-3AE1AA-H 6 bytes 2 bytes Channel 0: input
Channel 1: input
Channel 2: input
Channel 3: output
CPX-2AE2AA-H 4 bytes 4 bytes Channel 0: input
Channel 1: input
Channel 2: output
Channel 3: output
CPX-1AE3AA-H 2 bytes 6 bytes Channel 0: input
Channel 1: output
Channel 2: output
Channel 3: output
CPX-4AA-H 0 bytes 8 bytes Channel 0: output
Channel 1: output
Channel 2: output
Channel 3: output
Reserved for test mode – – –
With HART variables
CPX-4AE-H + 4HV 24 bytes 0 bytes Channel 0: input
Channel 1: input
Channel 2: input
Channel 3: input
CPX-3AE1AA-H + 4HV 22 bytes 2 bytes Channel 0: input
Channel 1: input
Channel 2: input
Channel 3: output
CPX-2AE2AA-H + 4HV 20 bytes 4 bytes Channel 0: input
Channel 1: input
Channel 2: output
Channel 3: output

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Installation
17
Switch setting Variant PII PIO Description
CPX-1AE3AA-H + 4HV 18 bytes 6 bytes Channel 0: input
Channel 1: output
Channel 2: output
Channel 3: output
CPX-4AA-H + 4HV 16 bytes 8 bytes Channel 0: output
Channel 1: output
Channel 2: output
Channel 3: output
Tab. 8: DIL switch settings
Setting DIL switches
Fig. 8: DIL switches for configuration of the analogue current channels
1. Switch off the power supply of the entire CPX terminal:
–Compressed air
–Operating voltage for electronics and sensors
–Load voltage of valves
2. Loosen the screws of the manifold block.
3. Pull the manifold block out of the plug of the electronics module without tilting.
4. Set the DIL switches on the electronics module.
5. Mount the manifold block è 5.3 Mounting the electronics module and manifold block.
è The process image becomes effective after switching on the power supply.
6.4 Electrical
6.4.1 Notes on the cable connection
–For the connection of HART field devices: observe the wiring requirements according to the HART
specification.
–Observe the maximum line lengths for the connection of field devices: 500 m.

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Installation
6.4.2 Attaching connecting cables to the manifold block M12
Socket M12 Pin Function Signal
X1 X1.1 24 VSEN / IO0AOUT0
X1.2 0 VSEN XGND
X1.3 II0AIN0
X1.4 0 VSEN XGND
X2 X2.1 24 VSEN / IO1AOUT1
X2.2 0 VSEN XGND
X2.3 II1AIN1
X2.4 0 VSEN XGND
X3 X3.1 24 VSEN / IO2AOUT2
X3.2 0 VSEN XGND
X3.3 II2AIN2
X3.4 0 VSEN XGND
X4 X4.1 24 VSEN / IO3AOUT3
X4.2 0 VSEN XGND
X4.3 II3AIN3
X4.4 0 VSEN XGND
Tab. 9: Pin allocation on manifold block CPX-P-AB-4XM12-4POL
The metal thread of socket contact M12 is internally connected to the earth terminal of terminal CPX
and can be used as a screen connection.
–Only use suitable plugs è www.festo.com/catalogue.
–Seal unused connections with protective caps ISK-M12 è Accessories.

Festo — CPX-4AE-4AA-H — 2021-06b
Installation
19
6.4.3 Attaching connecting cables to the manifold block terminals
Manifold block Pin Function Signal
X1.1 24 VSEN / IO0AOUT0
X1.2 0 VSEN XGND
X1.3 II0AIN0
X1.4 0 VSEN XGND
X1.5 24 VSEN / IO1AOUT1
X1.6 0 VSEN XGND
X1.7 II1AIN1
X1.8 0 VSEN XGND
X2.1 24 VSEN / IO2AOUT2
X2.2 0 VSEN XGND
X2.3 II2AIN2
X2.4 0 VSEN XGND
X2.5 24 VSEN / IO3AOUT3
X2.6 0 VSEN XGND
X2.7 II3AIN3
X2.8 0 VSEN XGND
Tab. 10: Pin allocation on manifold block CPX-P-AB-2XKL-8POL
Manifold blocks CPX-P-AB-2XKL-8POL do not have a connection for the cable screening.
• Set up the screening or equipotential bonding separately.

20
Festo — CPX-4AE-4AA-H — 2021-06b
Installation
Connecting the plug in spring-loaded terminal technology
1
2
1
3
4
Fig. 9: Connection of the connecting cable in spring-loaded terminal technology
1
Screwdriver, blade 2.5 × 0.4 mm
2
Cable
3
Release button
4
Terminal opening
Spring-loaded terminal NECU-L3G8-C1-...
Conductor cross section with wire end sleeve [mm2] 0.25 … 2.5
Strip length [mm] 10
Tab. 11: Specifications for spring-loaded terminal
–Only use suitable terminal strips è www.festo.com/catalogue.
–Connect only one conductor per spring-loaded terminal.
–With a screwdriver, press the unlocking pin and insert the conductor end with the wire end sleeve
into the terminal opening to the limit stop.