Operating instructions
IO-Link master with EtherCAT interface
PerformanceLine
AL1431
11489156 / 0105 / 2023
GB
AL1431 IO-Link master with EtherCAT interface
2
Contents
1 Preliminary note ............................................................. 5
1.1 Legal and copyright information ............................................ 5
1.2 Symbols used.......................................................... 5
1.3 Warnings.............................................................. 5
1.4 Safety symbol on the device............................................... 5
1.5 Change history......................................................... 6
2 Safety instructions............................................................ 7
2.1 Cyber security.......................................................... 7
3 Intended use................................................................ 8
4 Function ................................................................... 9
4.1 IO-Link ............................................................... 9
4.1.1 IO-Link supply...................................................... 9
4.1.2 Digital outputs...................................................... 9
4.2 Parameter setting....................................................... 9
4.3 Visual indication ........................................................ 9
4.4 EtherCAT ............................................................. 10
4.5 ifm IoT Core ........................................................... 10
4.6 Voltage output.......................................................... 10
5 Installation.................................................................. 11
5.1 Overview.............................................................. 11
5.2 Install device........................................................... 11
6 Electrical connection.......................................................... 12
6.1 Overview.............................................................. 12
6.2 General wiring information ................................................ 12
6.2.1 Connection technology............................................... 12
6.3 Ethernet ports.......................................................... 13
6.4 IO-Link ports (class B).................................................... 13
6.4.1 Connecting IO-Link devices (class B) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.4.2 Connecting IO-Link devices (class A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.5 Ground connection...................................................... 14
6.6 Voltage supply ......................................................... 14
6.6.1 Derating behaviour.................................................. 15
6.6.1.1 Derating without daisy chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.6.1.2 Derating with daisy chain ........................................ 16
6.7 Voltage output.......................................................... 16
7 Operating and display elements................................................. 18
7.1 LEDs................................................................. 18
7.1.1 Status............................................................ 18
7.1.2 Voltage supply ..................................................... 18
7.1.3 IO-Link ports (class B)................................................ 19
8 Set-up..................................................................... 20
9 Settings.................................................................... 21
9.1 Parameter setting software................................................ 21
9.1.1 Supported parameter setting software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
9.1.2 Getting started ..................................................... 21
9.1.2.1 Online parameter setting......................................... 22
9.1.2.2 Offline parameter setting......................................... 22
9.1.3 IoT: Configuring access rights.......................................... 22
9.1.4 IoT: Configuring the interface to the monitoring software . . . . . . . . . . . . . . . . . . . . . 23
9.1.5 Fieldbus: Configuring the EtherCAT interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
9.1.6 Ports: Setting the operating mode pin 4 (US) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
9.1.7 Ports: Setting the device validation and data storage . . . . . . . . . . . . . . . . . . . . . . . . 25
9.1.8 Ports: Setting the operating mode pin 2 (UA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
9.1.9 Ports: Restricting current intensity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
9.1.10 Ports: Setting data transmission to the monitoring software . . . . . . . . . . . . . . . . . . . 27
9.1.11 Info: Reading device information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
IO-Link master with EtherCAT interface AL1431
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9.1.12 Firmware: Showing the firmware version. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
9.1.13 Update firmware.................................................... 28
9.1.14 Firmware: Resetting the device......................................... 29
9.1.15 Firmware: Restarting the device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
9.1.16 Setting the parameters of IO-Link devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
9.2 IoT Core Visualizer...................................................... 31
9.2.1 Starting the IoT Core Visualizer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
9.2.2 Searching for elements of the IoT Core. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
9.2.3 Configuring the device ............................................... 33
9.2.3.1 Configuring the access rights to the device . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
9.2.3.2 Configuring the interface to the monitoring software . . . . . . . . . . . . . . . . . . . . 34
9.2.3.3 Configuring the EtherCAT interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
9.2.3.4 Setting the interval of the timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
9.2.3.5 Setting the operating mode pin 4 (US) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
9.2.3.6 Setting the operating mode pin 2 (UA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
9.2.3.7 Restricting the current intensity of the supply voltages US/UA . . . . . . . . . . . 37
9.2.3.8 Configuring device validation and data storage . . . . . . . . . . . . . . . . . . . . . . . . 37
9.2.3.9 Setting data transmission to the monitoring software . . . . . . . . . . . . . . . . . . . 38
9.2.3.10 Reading the firmware version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
9.2.3.11 Setting the application tag........................................ 39
9.2.3.12 Reading device information....................................... 39
9.2.4 Accessing the process data ........................................... 40
9.2.4.1 Reading the status and diagnostic data of the device . . . . . . . . . . . . . . . . . . . 40
9.2.4.2 Setting the counter value ........................................ 41
9.2.4.3 Reading the status and diagnostic data of the port . . . . . . . . . . . . . . . . . . . . . 41
9.2.4.4 Reading and writing input and output data . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
9.2.4.5 Reading and writing information about IO-Link devices. . . . . . . . . . . . . . . . . . 42
9.2.4.6 Reading IO-Link events.......................................... 43
9.2.4.7 Reading port events ............................................ 44
9.2.5 Update firmware.................................................... 45
9.3 EtherCAT ............................................................. 46
9.3.1 Installing the ESI file................................................. 46
9.3.2 Integrating the device into a project. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
9.3.2.1 Using Ethernet over EtherCAT (EoE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
9.3.3 Setting the startup parameters ......................................... 49
9.3.4 Configuring the IO-Link master......................................... 49
9.3.5 Configuring the ports................................................. 50
9.3.6 Configuring process data ............................................. 51
9.3.7 Accessing the process data ........................................... 52
9.3.7.1 TwinCAT-specific information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
9.3.8 Reading identification information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
9.3.9 Reading diagnostic and status information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
9.3.9.1 TwinCAT-specific information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
9.3.10 Accessing IO-Link devices ............................................ 55
9.3.11 Reading IO-Link events............................................... 55
9.3.12 Using acyclic services................................................ 55
9.3.12.1 Using ADS over EtherCAT ....................................... 55
9.3.12.2 Using CANopen over EtherCAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
10 Maintenance, repair and disposal................................................ 58
10.1 cleaning .............................................................. 58
10.2 Update firmware........................................................ 58
11 Appendix................................................................... 59
11.1 EtherCAT ............................................................. 59
11.1.1 Startup parameters.................................................. 59
11.1.2 EtherCAT modules.................................................. 60
11.1.2.1 IO-Link Ch.1.................................................. 60
11.1.2.2 IO-Link Ch.2.................................................. 61
11.1.2.3 IO-Link Ch.3.................................................. 62
11.1.2.4 IO-Link Ch.4.................................................. 63
11.1.3 Object directory..................................................... 64
11.1.3.1 Communication Area (0x1000 - 0x1FFF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
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11.1.3.2 Manufacturer-Specific Area (0x2000 - 0x5FFF). . . . . . . . . . . . . . . . . . . . . . . . 67
11.1.3.3 Input Area (0x6000 - 0x6FFF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
11.1.3.4 Output Area (0x7000 - 0x7FFF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
11.1.3.5 Configuration Area (0x8000 - 0x8FFF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
11.1.3.6 Information Area (0x9000 - 0x9FFF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
11.1.3.7 Diagnosis Area (0xA000 - 0xAFFF). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
11.1.3.8 Device Area (0xF000 - 0xFFFF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
IO-Link master with EtherCAT interface AL1431
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1 Preliminary note
You will find instructions, technical data, approvals and further information using the QR code on the
unit / packaging or at documentation.ifm.com.
1.1 Legal and copyright information
© All rights reserved by ifm electronic gmbh. No part of these instructions may be reproduced and
used without the consent of ifm electronic gmbh.
All product names, pictures, companies or other brands used on our pages are the property of the
respective rights owners.
1.2 Symbols used
Requirement
Instructions
Reaction, result
[...] Designation of keys, buttons or indications
Cross-reference
Important note
Non-compliance may result in malfunction or interference.
Information
Supplementary note
1.3 Warnings
Warnings indicate the possibility of personal injury and damage to property. This enables safe product
handling. Warnings are graded as follows:
WARNING
Warning of serious personal injury
wIf the warning is not observed, fatal and serious injuries are possible.
CAUTION
Warning of minor to moderate personal injury
wIf the warning is not observed, minor to moderate injuries are possible.
ATTENTION
Warning of damage to property
wIf the warning is not observed, damage to property is possible.
1.4 Safety symbol on the device
Safety symbol on the device:
uAdhere to the operating instructions for the safe operation of the device.
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2 Safety instructions
• The unit described is a subcomponent for integration into a system.
– The system architect is responsible for the safety of the system.
– The system architect undertakes to perform a risk assessment and to create documentation in
accordance with legal and normative requirements to be provided to the operator and user of
the system. This documentation must contain all necessary information and safety instructions
for the operator, the user and, if applicable, for any service personnel authorised by the
architect of the system.
• Read this document before setting up the product and keep it during the entire service life.
• The product must be suitable for the corresponding applications and environmental conditions
without any restrictions.
• Only use the product for its intended purpose (Ò Intended use).
• If the operating instructions or the technical data are not adhered to, personal injury and/or damage
to property may occur.
• The manufacturer assumes no liability or warranty for any consequences caused by tampering with
the product or incorrect use by the operator.
• Installation, electrical connection, set-up, operation and maintenance of the product must be
carried out by qualified personnel authorised by the machine operator.
• Protect units and cables against damage.
2.1 Cyber security
ATTENTION
Operating the machine in an unprotected network environment
wUnauthorised read or write access to data is possible.
wUnauthorised manipulation of the device function is possible.
uCheck and restrict access options to the device.
AL1431 IO-Link master with EtherCAT interface
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3 Intended use
The device may only be used for the following purposes:
• IO-Link master for configuration, management and operation of IO-Link devices
• Gateway between IO-Link devices and a higher-level EtherCAT control system
The device is designed for use without a control cabinet in the food industry.
IO-Link master with EtherCAT interface AL1431
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4 Function
4.1 IO-Link
The device offers the following IO-Link functions:
• IO-Link master (IO-Link revision 1.0 and 1.1)
• 4 IO-Link ports (class B) for connection of IO-Link devices
4.1.1 IO-Link supply
The device offers supplies for 4 IO-Link devices (sensors, actuators).
Ports X1...X4 are class B ports.
• Pin 2 (UA) of ports X1...X4 supports different operating modes (disconnected from power, supply
voltage UA, digital output).
• The current intensity of the supply voltages US and UA of ports X1...X4 can be adjusted.
The device ensures fire protection for connected IO-Link devices by providing an energy-limited circuit
at the ports (according to IEC61010-1 and class 2 to UL1310).
4.1.2 Digital outputs
Ports X1...X4 each have an optionally activable switching output. The additional digital outputs are
each at pin 2 of the port.
The digital switching outputs are supplied with the supply voltage UA. They refer to the potential of UA
(pin 5).
4.2 Parameter setting
Parameter setting with ifm moneo and ifm IoT Core Visualizer is only possible if the Ethernet
over EtherCAT (EoE) protocol is activated and configured on the EtherCAT master and the
EtherCAT slave.
uObserve the notes: Using Ethernet over EtherCAT (EoE) (Ò/46)
The device can be configured with the following options:
• Parameter setting software
– ifm moneo|suite
– ifm moneo|configure SA
• ifm IoT Core
– ifm IoT Core Visualizer
• EtherCAT
– Projection software
4.3 Visual indication
The device displays the following indications:
• Status and error indication of the EtherCAT gateway and the system
• Status of the voltage supplies US and UA
• Status and activity indication of the Ethernet connections
AL1431 IO-Link master with EtherCAT interface
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• Status and error indication of the IO-Link ports (class B)
4.4 EtherCAT
• Device profile: Module device profile (EtherCAT slave)
• Supported protocols:
– AoE (ADS over EtherCAT)
– CoE (CANopen over EtherCAT)
– EoE (Ethernet over EtherCAT)
– File Access over EtherCAT (FoE)
• Device description: ESI file
4.5 ifm IoT Core
Access to the functions of ifm IoT Core is only possible if the Ethernet over EtherCAT (EoE)
protocol is activated and configured on the EtherCAT master and the EtherCAT slave.
uObserve the notes: Using Ethernet over EtherCAT (EoE) (Ò/46)
• Mapping of the data, events and services of the device to an object model (ifm IoT Core)
• Integration of the device in IIoT applications
• Access to the ifm IoT Core:
– Browser-based interface (IoT Core Visualizer)
• Supported protocols: HTTP, TCP, JSON
4.6 Voltage output
The device has a voltage output to supply an additional device. This makes it possible to supply
several devices with one voltage source (daisy chain).
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5 Installation
5.1 Overview
2
1
1: Upper mounting lug
2: Lower mounting lug
5.2 Install device
uDisconnect the power of the machine before installation.
uUse a flat mounting surface for installation.
uObserve the maximum tightening torque.
uFasten the module onto the mounting surface using two M5 screws and washers (tightening
torque: 1.8Nm).
uObserve the notes on how to earth the device: Ground connection (Ò/14)
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6 Electrical connection
6.1 Overview
FE
XF2XF1
XD1 XD2
X2X1
X4X3
FE: Functional earth (FE)
XF1: Ethernet port 1 (EtherCAT)
XF2: Ethernet port 2 (EtherCAT)
XD1: Power IN - voltage supply
XD2: Power OUT - voltage output
X1: IO-Link port (class B)
X2: IO-Link port (class B)
X3 IO-Link port (class B)
X4: IO-Link port (class B)
6.2 General wiring information
The unit must be connected by a qualified electrician.
uObserve the national and international regulations for the installation of electrical equipment.
The unit is only suitable for operation using SELV/PELV voltages.
uTake information about IO-Link configuration into consideration!
This device contains components that may be damaged or destroyed by electrostatic discharge
(ESD).
uPlease observe the required precautions against electrostatic discharge!
By means of basic insulation according to EN61010-1, the circuits are isolated from each other and
from device surfaces that could be touched (secondary circuit with max. 30 V DC, supplied from mains
circuit up to 300 V overvoltage category II).
By means of basic insulation according to EN61010-1, the communication interfaces are separated
from each other and from device surfaces that could be touched (secondary circuit with V DC
maximum, supplied from mains circuit up to 300 V overvoltage category II). They are designed for
network environment 0 according to IEC TR62102).
6.2.1 Connection technology
The threaded connections in the device correspond to the M12 standard. To ensure compliance with
the specified protection rating, only cables that comply with this standard may be used. In the case of
self-assembled cables, the system manufacturer is responsible for the protection rating.
uUse connectors with gold-plated contacts.
uCheck the screw connection 2 weeks after installation and retighten to the correct torque if
necessary.
uDuring installation, place the connectors vertically so that the coupling nut will not damage the
thread.
uBefore connecting the connector, check that there is an undamaged O-ring in the socket.
uObserve the coding of the connectors during installation.
uCover unused connections with protective covers. Tightening torque: 1.3 ± 0.1Nm
IO-Link master with EtherCAT interface AL1431
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For UL applications:
uTo connect the device and the IO-Link devices, only use UL-certified cables belonging to category
CYJV or PVVA with a minimum temperature of 80°C (75°C in case of a maximum ambient
temperature of 40°C).
6.3 Ethernet ports
The device is connected to the EtherCAT network via the Ethernet ports (e.g. EtherCAT control).
The device is connected to the IT network via the Ethernet ports. The user can configure the device
via the IT network (e.g. laptop/PC with parameter setting software, web browser for access to IoT Core
Visualizer).
Parameter setting with ifm moneo and ifm IoT Core Visualizer is only possible if the Ethernet
over EtherCAT (EoE) protocol is activated and configured on the EtherCAT master and the
EtherCAT slave.
uObserve the notes: Using Ethernet over EtherCAT (EoE) (Ò/46)
Wiring:
1 2
34
5
1: TX+
2: RX+
3: TX-
4: RX-
5: not used
uUse a free port (XF1, XF2) to connect the device to the EtherCAT network.
uFor connection, use M12 connectors (minimum protection rating: IP 65 / IP 66 / IP 67 / IP 69K).
uTighten the cable plug using 1.3 ± 0.1Nm.
6.4 IO-Link ports (class B)
IO-Link devices (sensors, actuators) are connected to the IO-Link ports (class B).
The IO-Link ports meet the requirements of the IO-Link specifications 1.0 to 1.1.2.
The ports are equipped with short-circuit detection (US, UA).
The connected IO-Link devices must be supplied exclusively via the IO-Link master.
The additional digital output at pin 2 of the ports meets the requirements of utilisation category DC-13
according to standard IEC 60947-5-1, 20W.
Wiring:
3
1 2
4
5
1: Sensor supply L+ (US)
2: Digital output / Actuator supply L+ (UA)
3: Sensor supply L- (US)
4: C/Q IO-Link
5: Actuator supply L- (UA)
6.4.1 Connecting IO-Link devices (class B)
uConnect the IO-Link devices to ports X1...X4. Maximum cable length per port: 20 m.
uFor connection, use M12 connectors (minimum protection rating: IP 65 / IP 66 / IP 67 / IP 69K).
uTighten the cable plug using 1.3 ± 0.1Nm.
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6.4.2 Connecting IO-Link devices (class A)
CAUTION
Connection of IO-Link devices (class A) to IO-Link ports (class B) with 4 or 5-pole
connectors
wRisk of fire
wMalfunction
uTo connect IO-Link devices (class A) to IO-Link ports (class B), use 3-pole connectors
only!
uObserve the IO-Link Design Guideline:www.io-link.com.
uConnect the IO-Link devices to ports X1...X4. Maximum cable length per port: 20 m.
uFor connection, use M12 connectors (minimum protection rating: IP 65 / IP 66 / IP 67 / IP 69K).
uTighten the cable plug using 1.3 ± 0.1Nm.
6.5 Ground connection
The FE potential is connected to the following points of the device:
• Upper mounting lug of the housing
• Ports XD1 and XD2: Pin 5 (FE)
• Ports XF1 and XF2
To ensure the protection of the device against electrical interference and to ensure the safe
function of the device, the housing has to be connected to the GND of the installation using the
shortest possible route.
uGround the device via the mounting screw of the upper mounting lug.
uOptional: Connect pin 5 of port XD1 or XD2 via an L-coded M12 connector to the FE socket of the
power supply.
6.6 Voltage supply
The device is connected to the supply voltage US via port XD1.
The supply voltage US supplies the device and the devices connected to ports X1...X4 with voltage.
Optionally, an additional supply voltage UA can be fed to the device via port XD1.
CAUTION
Exceeding the maximum input current of 16A
wRisk of fire
uDimension the IU and IA of the supply sources US and UA, taking into account the
derating behaviour of the device: Derating behaviour (Ò/15)
ATTENTION
The supply voltages US and UA are not protected against cross polarity.
wDamage to the device
uEnsure correct connection of the supply voltages US and UA.
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uIn case of cables that are longer than 25m, take the voltage drop and the necessary
minimum supply voltage of 20 V into consideration!
Port XD1 is equipped with overvoltage protection (US).
Port XD1 is equipped with reverse polarity protection (US, UA).
Wiring:
3
1 4
2
5
1: +24V DC (US)
2: GND (UA)
3: GND (US)
4: +24V DC (UA)
5: FE
uDisconnect power.
uConnect the device via port XD1 to the supply voltage US with 24VDC (20...30 V SELV/PELV;
according to IEC 61010-1, secondary circuit with max. 30 V DC, supplied from main circuit up to
300 V of overvoltage category II).
uOptional: Connect the device via port XD1 to the supply voltage UA with 24VDC (20...30 V SELV/
PELV; according to IEC 61010-1, secondary circuit with max. 30 V DC, supplied from main circuit
up to 300 V of overvoltage category II).
uFor connection, use an L-coded M12 connector (minimum protection rating: IP 65 / IP 66 / IP 67 /
IP 69K).
uTighten the cable sockets according to the torque specifications indicated by the cable vendor.
Maximum permissible tightening torque: 0.8Nm
6.6.1 Derating behaviour
The current intensity IUS available at ports X1...X4 and the current intensity IUS-daisy-chain and the current
intensity IUA-daisy-chain available on port XD2 depend on the ambient temperature of the device.
The derating measurements were carried out under the following conditions: Supply voltage
US / UA: 24VDC
6.6.1.1 Derating without daisy chain
-40 -30 -20 -10 0 10 20 30 40 50 60 70
1
2
3
4
2000 m
3000 m
4000 m
5
6
7
8
Current [A]
Temperature [°C]
1
2
1: IUA on port X1...X4
2: IUS on port X1...X4
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6.6.1.2 Derating with daisy chain
-40 -30 -20 -10 0 10 20 30 40 50 60 70
1
2
3
4
2000 m
3000 m
4000 m
5
6
7
8
Current [A]
Temperature [°C]
1
2
1: IUA on port X1...X4
2: IUS on port X1...X4
-40 -30 -20 -10 0 10 20 30 40 50 60 70
2
4
6
8
10
12
14
16
2000 m
3000 m
4000 m
Current [A]
Temperature [°C]
2
1
1: IUS-daisy-chain on port XD2
2: IUA-daisy-chain on port XD2
Example:
Temperature IUA (X1…X4) IUS (X1...X4) IUA-daisy-chain (XD2) IUS-daisy-chain (XD2)
30C 8A 3.6A 8A 12A
For UL applications:
-40 -30 -20 -10 0 10 20 30 40 50 60 70
2
4
6
8
10
12
14
16
2000 m
Current [A]
Temperature [°C]
2
1
1: IUS-daisy-chain on port XD2
2: IUA-daisy-chain on port XD2
Example:
Temperature IUA (X1…X4) IUS (X1...X4) IUA-daisy-chain (XD2) IUS-daisy-chain (XD2)
30C 8A 3.6A 5A 9A
6.7 Voltage output
An additional device can be supplied via port Power OUT (XD2) (daisy chain). The supply voltages US
and UA are looped through from port XD1 to port XD2.
Wiring:
IO-Link master with EtherCAT interface AL1431
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2
4 1
3
5
1: +24V DC (US)
2: GND (UA)
3: GND (US)
4: +24V DC (UA)
5: FE
uOptional: Connect an additional device to port XD2.
uUse an L-coded M12 connector (minimum protection rating: IP 65 / IP 66 / IP 67 / IP 69K).
uTighten the cable plug using 1.3 ± 0.1Nm.
AL1431 IO-Link master with EtherCAT interface
18
7 Operating and display elements
7.1 LEDs
2 3
4
5
6
7
8
1
4
5
9
6
7
6
7
6
7
1: status: RDY
2: status: ERR
3: status: RUN
4: EtherCAT: LINK
5: EtherCAT: ACT
6: IO-Link:
7: IO-Link: UA DO
8: Power IN: UA
9: Power IN: US
7.1.1 Status
LED Description Colour State Description
RDY Gateway status Green Off Gateway: Not active or reboots
Flashes (5Hz) Gateway: Error
Flashes (200ms on,
800ms off)
Gateway: Firmware update running
On Gateway: OK
RUN EtherCAT status Green Off Device in “INIT” state
Flashes (2.5Hz) Device in “PRE-OPERATIONAL” state
Flashes (200ms on,
1000ms off)
Device in “SAFE-OPERATIONAL” state
Flashes (10Hz) Device starts and is not yet in the “INIT” state or
device is in the “BOOTSTRAP” state
On Device in “OPERATIONAL” state
ERR Error indication Red Off No error
Flashes (10Hz) Boot error
Flashes (200ms on,
200ms off, 200ms
on, 1000s off)
Watchdog error (EtherCAT or process data)
Flashes (200ms on,
1000ms off)
Local error
Flashes (2.5Hz) Invalid configuration
On Error in application controller
7.1.2 Voltage supply
LED Description Colour State Description
US Status of the supply voltage
US
Green Off No supply voltage is applied or the applied voltage
is too low
IO-Link master with EtherCAT interface AL1431
19
LED Description Colour State Description
US Status of the supply voltage
US
Green On Supply voltage applied
UA Status of the supply voltage
UA
Green Off No supply voltage is applied or the applied voltage
is too low
On Supply voltage applied
7.1.3 IO-Link ports (class B)
LED Description Colour State Description
Status of the IO-Link port
(pin 4)
Yellow Off Port mode DI / DO: Pin 4 (C/Q) = OFF
On Port mode DI / DO: Pin 4 (C/Q) = ON
Green Flashes (1Hz) Port mode IO-Link: No IO-Link device found
Flashes (5Hz) Port mode IO-Link: “PREOPERATE” state
On Port mode IO-Link: “OPERATE” state
Red Flashes (1.2Hz) Port configuration error or short circuit / overload
at US
On Transmission error
UA/DO Status of the IO-Link port
(pin 2)
Yellow Off Digital input: Pin 2 (UA) = OFF
On Digital input: Pin 2 (UA) = ON
Green Off IO-Link type A supply: Pin 2 (UA) = OFF
On IO-Link type B supply: Pin 2 (UA) = ON (not
switchable)
Red On Error: Overcurrent or undervoltage
AL1431 IO-Link master with EtherCAT interface
20
8 Set-up
uInstall the unit correctly.
uEstablish a correct electrical connection with the device.
wOnce connected to the supply voltage, the unit will start.
wThe LEDs show status and error conditions.
wThe unit is ready for operation.
wThe device can be configured.
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