Danfoss VACON Ethernet Option Boards Installation Guide

Danfoss VACON Ethernet Option Boards

Product Information

Specifications

• Product Models: OPTEA, OPTE9, OPTCI, OPTCP, OPTCQ, OPTEC

Product Usage Instructions

Installation Guide
The installation guide provides instructions on how to set up the product. It includes information on safety, cabling, layout and connections, and troubleshooting.

Safety
The safety section of the user manual provides important information on safety symbols and instructions to prevent any hazards or injuries while using the product. Please read this section carefully before proceeding with the installation.

Safety Symbols

• DANGER: Indicates a hazardous situation that, if not avoided, will result in death or serious injury.
• WARNING: Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
• CAUTION: Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
• NOTICE: Indicates information considered important, but not hazard-related (for example, messages relating to property damage).

Safety Instructions
A safety guide is included in the product delivery. It is important to read the safety instructions carefully before starting to work with the system or its components. The warnings and cautions in the safety guide provide important information on how to prevent injury and damage to the equipment or the system. Please read the warnings and cautions carefully and obey their instructions.

Installing
The installation section of the user manual provides step-by-step instructions on how to install the product. It covers the general installation process and any specific instructions related to the product model.

Cabling
The cabling section of the user manual provides instructions on how to connect the product using Fieldbus or Ethernet cables. It covers cable routing, strain relief, grounding the cable shield, and specific instructions for each option board.

General Cabling Instructions for Fieldbus

• Cable Routing: Follow the specified cable routing guidelines to ensure proper installation.
• Strain Relief: Use appropriate strain relief techniques to prevent damage to the cables.

General Cabling Instructions for Ethernet
For an Ethernet connection, follow the general cabling instructions provided in this section.

• Grounding the Cable Shield
  Instructions on how to properly ground the cable shield are provided in this section.

• The OPTEA and OPTE9 Option Boards
  Specific instructions for installing and configuring the OPTEA and OPTE9 option boards are provided in this section.

• The OPTEC Option Board
  Specific instructions for installing and configuring the OPTEC option board are provided in this section.

• The OPTCI, OPTCP, and OPTCQ Option Boards
  Specific instructions for installing and configuring the OPTCI, OPTCP, and OPTCQ option boards are provided in this section.

• Layout and Connections
  The layout and connections section of the user manual provides information on the layout of the option boards and their connections to the AC drive. It includes specific information for each option board model.

• The OPTEA/E9 Option Board Layout
  This section provides detailed information on the layout of the OPTEA/E9 option board and its connections.

• The OPTEC Option Board Layout
  This section provides detailed information on the layout of the OPTEC option board and its connections.

Troubleshooting
The troubleshooting section of the user manual guides on identifying and resolving common issues that may arise during product usage. It includes step- by-step instructions and possible solutions to help troubleshoot any problems.

FAQ

• Q: Where can I download the product manuals?
  A: You can download the English and French product manuals with applicable safety, warning, and caution information from https://www.danfoss.com/en /service-and-support/.

• Q: How often is the manual updated?
  A: The manual is regularly reviewed and updated. All suggestions for improvement are welcome.

• Q: What are the compatible AC drives for each option board?
  A: Please refer to the specific information provided for each option board model in the manual.

Introduction

Purpose of this Installation Guide
This manual provides information for safe installation and commissioning of:

• Ethernet-based option boards including:
  • OPTEA
  • OPTE9
  • OPTCI
  • OPTCP
  • OPTCQ
  • OPTEC

The Installation Guide is intended for use by qualified personnel only. Personnel must be familiar with the VACON® drive series. Read and follow this Installation Guide before installation, and ensure that instructions for safe installation are observed. Always keep these instructions available with the drive.

Additional Resources
Resources available for the drive and optional equipment are:

• VACON® option board User Guides provide information on protocol-specific settings and instructions for setting up the connection.
• The Operating Guide of the AC drive provides the necessary information to get the drive up and running.
• The Application Guide of the AC drive provides more details on working with parameters and many application examples.
• Supplementary publications and manuals are available from drives.danfoss.com/knowledge-center/technical-documentation/.

For US and Canadian markets:

NOTE!
Download the English and French product manuals with applicable safety, warning and caution information from https://www.danfoss.com/en/service-and- support/.

REMARQUE Vous pouvez télécharger les versions anglaise et française des manuels produit contenant l’ensemble des informa-tions de sécurité, avertissements et mises en garde applicables sur le site https://www.danfoss.com/en/service-and-support/.

Manual Version
This manual is regularly reviewed and updated. All suggestions for improvement are welcome. The original language of this manual is English.

Table 1: Manual and Software Version

board manuals.

Product Overview

Ethernet-based Option Boards
The following table lists the Ethernet-based option boards compatible with VACON® AC drives. Table 2: Ethernet-based Option Boards

Option board code| Option board| Compatible with AC drive| The correct slots (1)| Specific information
---|---|---|---|---
OPTEA| Advanced Dual Port Ethernet board| VACON® NXP, NXS VA- CON® 100 INDUSTRIAL, 100X, 100 FLOW| D, E| The OPTEA and OPTE9 Option Boards.
 |  |  |  | •         PROFINET I/O, PROFIsafe

•         EtherNet/IP

•         Modbus TCP/UDP

•         Emulation of OPTCI, OPTCP, OPTCQ

---|---|---|---|---
OPTE9| Dual Port Ethernet board| VACON® NXP, NXS VACON® 100 INDUSTRIAL,

100X, 100 FLOW

VACON® 20, 20X, 20CP

| D, E| The OPTEA and OPTE9 Option Boards.

•         PROFINET I/O

•         EtherNet/IP

•         Modbus TCP/UDP

OPTEC| EtherCAT option board| VACON® NXP

VACON® 100 INDUSTRIAL,

100X, 100 FLOW, 100 HVAC VACON® 20, 20X, 20CP

| D, E| The OPTEC Option Board.
OPTCI| Modbus TCP option board| VACON® NXP, NXS| D, E| The OPTCI, OPTCP, and OPTCQ Option Boards.
OPTCP| PROFINET I/O option board| VACON® NXP, NXS| D, E| The OPTCI, OPTCP, and OPTCQ Option Boards.
OPTCQ| EtherNet/IP option board| VACON® NXP, NXS| D, E| The OPTCI, OPTCP, and OPTCQ Option Boards.

For option board installation in VACON® 20, a separate option board mounting kit is necessary.

VACON® 100 Family Internal Ethernet Fieldbus Protocols
VACON® 100 INDUSTRIAL, 100 X, and 100 FLOW AC drives support internally the Ethernet fieldbuses listed in the following table. Because they have one Ethernet port, they can be connected to networks with star topology. For detailed installation instructions for the internal field buses, see the Installation Manual of the AC drive in use.

Table 3: VACON® 100 INDUSTRIAL, 100 X, and 100 FLOW Internal Fieldbuses

Safety

Safety Symbols
The following symbols are used in this manual:

• DANGER
  Indicates a hazardous situation which, if not avoided, will result in death or serious injury.

• WARNING
  Indicates a hazardous situation which, if not avoided, could result in death or serious injury.

• CAUTION
  Indicates a hazardous situation that, if not avoided, could result in minor or moderate injury.

• NOTICE
  Indicates information considered important, but not hazard-related (for example, messages relating to property damage).

Safety Instructions

• A safety guide is included in the product delivery. Read the safety instructions carefully before starting to work in any way with the system or its components.
• The warnings and cautions in the safety guide give important information on how to prevent injury and damage to the equipment or the system. Read the warnings and cautions carefully and obey their instructions.

WARNING

SHOCK HAZARD FROM CONTROL TERMINALS
The control terminals can have a dangerous voltage also when the drive is disconnected from mains. A contact with this voltage can lead to injury.

• Make sure that there is no voltage in the control terminals before touching the control terminals.

CAUTION

DAMAGE TO OPTION BOARDS
Do not install, remove, or replace option boards on the drive when the power is on. Doing this can cause damage to the boards.

• Switch off the AC drive before installing, removing, or replacing option boards on the drive.

NOTICE

OPTION BOARD COMPATIBILITY
Installing an incompatible option board can damage the AC drive.

• Make sure that the option board being installed is compatible with the drive.

Installing

Installing Option Board in VACON® NXP and NXS
This topic gives instructions for installing the option boards in VACON® NXP and NXS, FR4–FR9.

Procedure

1. In FR5–FR9, open the cover of the AC drive.
2. In FR4, remove the cable cover.
3. Open the cover of the control unit.
4. Install the option board into the slot E or D on the control board of the AC drive. Make sure that the grounding plate fits tightly in the clamp.
5. In IP21, cut free the opening on the cover of the AC drive for the fieldbus cable.
6. Install the cables.
7. Close the cover of the control unit and attach the cable cover.

Installing Option Board in VACON® 100 INDUSTRIAL and FLOW
This topic gives instructions for installing the option boards in VACON® 100 INDUSTRIAL and FLOW, MR4–MR12.

Procedure

1. Open the cover of the AC drive.
2. To get access to the option board slots, open the cover of the control unit.
3. Install the option board into slot D or E. Installation of the option board into an incorrect slot has been physically prevented. Do not use force.
4. Close the cover of the control unit.
5. In IP21, cut free the opening on the cover of the AC drive for the Fieldbus cable. In IP54, cut a hole in a grommet and move the cable through it.
   • Make the connection tight. In the internal fieldbus, make the opening on the left side. When installing into the slot D or E, make the opening on the right side.
6. Install the fieldbus and other cables. See more information in the section “Cabling”.
7. Close the cover of the AC drive.
8. Pull the fieldbus cable to the side. Move the fieldbus cables away from the mains cable and the motor cable.

Installing Option Board in VACON® 100 X
This topic gives instructions for installing the option boards in VACON® 100 X, MM4–MM6.

Procedure

1. Open the cover of the AC drive.
2. To get access to the option board slots, remove the screws and open the cover of the control unit.
3. Install the option board into the slot D or E.
4. Close the option board cover.
5. Remove the cable entry plate. If the option board is installed in slot D, use the cable entry plate on the right side. If the option board is installed in the slot E, use the cable entry plate on the left side.
6. Open the necessary holes in the cable entry plate. Do not open the other holes. See the VACON® 100 X Installation Manual for the dimensions of the holes.
7. Attach a cable gland to the hole in the cable entry plate. Pull the field bus cable through the hole.
   • NOTE! The field bus cable must go through the correct cable entry plate to avoid going near the motor cable.
   • Avoid small bend radius in the fieldbus cables. If the option board is installed in slot D, use the cable entry plate on the right side. If the option board is installed in the slot E, use the cable entry plate on the left side.
8. Put back the cable entry plate.
9. Close the cover of the AC drive.

Installing Option Board in VACON® 20

Installing Option Board in VACON® 20, MI1–MI3

1. This topic gives instructions for installing the option boards in VACON® 20, MI1–MI3.
2. For option board installation, a separate option board mounting kit is required.

Procedure

1. Remove the cable connector lid from the AC drive.
2. Select a correct grounding plate and attach it to the option board mounting frame. The grounding plate is marked with the supported enclosure size.
3. Attach the option board mounting frame to the AC drive.
4. Connect the flat cable from the option board mounting frame to the AC drive.
5. If a strain relief is necessary for the cable, attach it.
6. Install the option board to the option board holder. Make sure that the option board is securely fastened.
7. Cut free a sufficiently wide opening for the option board connector.
8. Attach the option board cover to the drive. If strain relief is necessary, attach the strain relief cable clamp with screws.

Installing Option Board in VACON® 20, MI4–MI5
This topic gives instructions for installing the option boards in VACON® 20, MI4–MI5.

Procedure

1. In MI4, open the cover of the AC drive. In MI5, open the cover of the AC drive and release the fan connector.
2. Attach the option board support.
3. Connect the flex cable to the connector PCB.
4. Attach the option board to the connector PCB.
5. Attach the option board assembly to the AC drive and connect the flex cable.
6. Attach a correct grounding plate to the AC drive. The grounding plate is marked with the supported enclosure size.
7. Put a clamp on top of the grounding plate on both sides of the option board.
8. In MI4, close the cover of the drive. In MI5, attach the fan connector and close the cover of the AC drive.

Installing Option Board in VACON® 20 X and 20 CP
This topic gives instructions for installing the option boards in VACON® 20 X and 20 CP, MU2–MU3, MS2–MS3.

Procedure

1. In VACON® 20 X, open the cover of the AC drive.
2. Remove the option board cover.
3. Install the option board into the slot.
4. To make an opening for the option board connector, remove the plastic plate at the end of the option board cover. Attach the option board cover to the AC drive.
5. Close the cover of the AC drive.

Cabling

General Cabling Instructions for Fieldbus
To keep the response time and the number of incorrect dispatches to a minimum, use only standard industrial components in the network and avoid complex structures. The requirements for commercial cabling components are specified in sections 8-8 in the ANSI/TIA/EIA-568-B series standards. Using commercial components can decrease system performance. The use of such products or components can cause unsatisfactory performance in industrial control applications.

Cable Routing
Fieldbus cables must be routed separately from motor cables. The recommended minimum distance is 300 mm. Do not let fieldbus cables and motor cables cross each other. If it is not possible, the fieldbus cables must cross other cables at an angle of 90°.

Shielded field bus and control cables can be routed in parallel. To have further shielding, install a grounded metal conduit around the fieldbus and control cable run.

• A. Motor cables
• B. Fieldbus cables

Use cables with right length. If there is extra cable, put it in a noise free location. Multiple rounds of cable and a large circumstance area make an antenna (see Illustration 4). Noise connects to fieldbus cable and can cause communication problems.

• A. Motor cables
• B. Fieldbus cables

NOTICE
To prevent shield fracture, do not bend the cable too much or run the cable back and forth on the same path too tightly.

Strain Relief
If there is a possibility of tensile load on the cable, install it with a strain relief. When it is possible, the strain relief of the fieldbus cables should not be done at the shield connection to ground. This may reduce the effectiveness of the bonding. The tensile load and vibration can also damage the shield.

General Cabling Instructions for Ethernet
Use only shielded cables of category CAT5e or CAT6.

Table 4: The Recommended Cable Shielding

Use standard Ethernet 100 Mbit pinout connectors. The plug type to be used is a shielded RJ45 plug, with a maximum length of 40 mm (1.57 in).

The maximum length of the CAT5e or CAT6 cable between two RJ45 ports is 100 meters. You can get cables that have a certain length, or get cable in bulk and assemble the connectors at commissioning. Obey the instructions of the manufacturer if you assemble the connectors manually. If you make the cables by yourself, be sure to select the correct crimp tools and use precautions. The individual contacts of the RJ45 socket are allocated as per the T568-B standard.
In basic use, the RJ45 connectors in the cable (or the ones assembled) must connect the cable shield to the ground level of the Ethernet terminal in the AC drive.

Grounding the Cable Shield
Equipotential bonding refers to using metal parts to make ground potential everywhere in the installation the same, as the system ground. If the ground potential of all the devices is the same, you can prevent current from flowing through paths that are not designed to have current. You can also shield cables efficiently.

An error in the equipotential bonding can cause bad quality or malfunction of the fieldbus communication. It is not easy to find an error in equipotential bonding. It is also not easy to correct errors in large installations after commissioning. Thus, in the planning phase, it is important to plan the installation to get good equipotential bonding. In the commissioning phase, make the equipotential bonding connections carefully.
Do grounding with low HF impedance, for example, via backplane mounting. If ground connection wires are necessary, use wires that are as short as possible. Paint coating acts as an insulator on metal and prevents grounding. Remove paint coating before doing grounding.

When equipotential bonding is good, the RJ45 connectors in the cable (or the ones assembled) must connect the cable shield to the ground level of the Ethernet terminal in the AC drive. The cable shield can be connected to the ground level at both ends via the built-in RC circuit (Illustration 6). This grounds the disturbances and, to some degree, prevents current from flowing in the cable shield. To do this, use a shielded Ethernet cable (S/FTP or STP) which grounds devices via an RJ45 connector and thus uses a built-in drive RC circuit.

When disturbances are strong, the cable shield can be exposed and then 360 degrees grounded (see Illustration 9) directly to the AC drive ground (see Illustration 8).

If the ground potentials of the connected devices are different, a cable shield that is connected at both ends causes current to flow in the shield. To prevent this, the cable shield must be disconnected or cut at some point between the devices. Grounding should be done at a location nearest to the place where the disturbances meet the cable (see Illustration 8).

We recommend grounding the cable shield as in examples A and C (see Illustration 9). Do not ground the cable shield as in example B.

• A. Cable clamp
• B. Ground terminal
• C. Cable gland

The OPTEA and OPTE9 Option Boards
The OPTEA and OPTE9 Dual Port Ethernet option boards have a built-in unmanaged Ethernet switch. It allows the option boards to be connected in a daisy-chain (line) and ring topologies. They can also be used in a star topology. To connect the option board to the Ethernet network, use either one of the RJ45 ports of the option board. Do not commission long daisy chains. Each switch in the chain causes some latency, and the total delay can be significant. The accepted number of devices in a daisy chain varies, but we recommend that the number of devices is not more than 32.

When using the PROFINET I/O protocol and the topology feature of PROFINET, connect cables in ports specified in the topology map. Otherwise, it does not matter which ports the cables are connected to since the internal switch in the option board sends packets to the correct destination.

The OPTEA and OPTE9 option boards support the following ring protocols:

• MRP with PROFINET I/O
• DLR with EtherNet/IP
• RSTP with PROFINET I/O, EtherNet/IP, and Modbus TCP/UDP

An ethernet ring network requires that at least one device is the ringmaster and logically breaks the ring. It can be either PLC or switch, but the option board can only be the ring slave. The RJ45 connector LEDs of the OPTEA and OPTE9 option boards give information about line speed and network traffic.

• A. Network speed indicator
• B. Network activity indicator

The left LED of the RJ45 connector is a network speed indicator.

• LED is dimmed (dark) when the port is connected to a 10 Mbit/s network.
• LED is yellow when the port is connected to a 100 Mbit/s network.
• LED is dimmed (dark) when the port is connected to a 1000 Mbit/s network. The option board does not support a 1000 Mbit/s Ethernet, so there is no communication.

The right LED of the RJ45 connector is a network activity indicator. It blinks green when the port sends or transmits network packages. Usually, this LED starts to blink immediately when the option board is connected to the Ethernet network. For example, broadcast queries that are transmitted to the option board cause the network activity LED to blink.

The OPTEC Option Board

• The OPTEC EtherCAT option board has two RJ45 ports to connect it to the network. Notice the IN/OUT direction. The cable coming from the OUT port of the master or the previous device must be connected to the IN port of the option board.
• The OPTEC option board can also be used in the EtherCAT ring network (Cable Redundancy). EtherCat also supports star topology when using EtherCat hub devices.

Do not install the OPTEC option board into a standard Ethernet network, but only into dedicated EtherCAT networks.

• 1 OUT
• 2 IN

The LED of the RJ45 connector of the option board gives information about network activity.

• A. Led is not used
• B. Network activity indicator

Illustration 15: The OPTEC RJ45 Connectors

The left LED of the RJ45 connector is not used and thus it is always dimmed (dark). The right LED of the RJ45 connector is a network activity indicator. It blinks when the port sends or transmits network packages.

The OPTCI, OPTCP, and OPTCQ Option Boards
The OPTCI Modbus TCP, OPTCP PROFINET I/O, and OPTCQ EtherNet/IP option boards have one Ethernet port. Thus, these option boards can only be connected to a star topology.

• A. Network activity indicator
• B. Network speed indicator

Illustration 16: The OPTCI, OPTCP, OPTCQ RJ45 Connector

NOTE!
The LEDs in these option boards are in the opposite order when compared to OPTEA and OPTE9, and they function differently.

The right LED of the RJ45 connector is a network speed indicator.

• LED is dimmed (dark) when the port is connected to a network with half a duplex.
• LED is yellow when the port is connected to a network with a full duplex.
• LED is dimmed (dark) when the port is connected to a 1000 Mbit/s network. The option board does not support a 1000 Mbit/s Ethernet, so there is no communication.

The left LED of the RJ45 connector is a network activity indicator. It blinks green when the port sends or transmits network packages.

Layout and Connections

The OPTEA/E9 Option Board Layout
The VACON® Ethernet option boards are connected to the Ethernet bus using the standard RJ45 connectors (1 and 2). The communication between the control board and the AC drive takes place through a standard VACON® Interface Board Connector. OPTEA and OPTE9 boards have identical layouts and connections.

1. Ethernet port 1 (PHY1)
2. Ethernet port 2 (PHY2)
3. Interface Board connector

The OPTEC Option Board Layout
The VACON® EtherCAT option board is connected to the EtherCAT bus using the RJ45 connectors compatible with Ethernet standard (ISO/IEC 8802-3). The communication between the control board and the AC drive takes place through a standard VACON® Interface Board Connector.

1. EtherCAT bus connector OUT
2. EtherCAT bus connector IN
3. Interface Board Connector

Table 5: EtherCAT Connectors

Table 6: EtherCAT Connector Pin Assignment

Troubleshooting

LED Indications on VACON® OPTEA/OPTE9 Option Boards
The LED indications are the same on both OPTEA and OPTE9 option boards. When the EtherNet/IP is active, the option board follows CIP standard for LED indications. Therefore, the indications described in Table 7 do not apply. See LED Indications with EtherNet/IP.

• A. RN = Network status indicator
• B. ER = I/O connection indicator
• C. BS = Module status indicator

Table 7: List of Possible LED Combinations

Node Flashing Test function

• To determine to which device the station is directly connected, use the “Node Flashing Test” function.
• For example, in Siemens S7, go to the menu command PLC > Diagnostics/Setting > Node Flashing Test…. If all 3 LEDs are flashing green, the station is directly connected to the PG/PC.

LED Indications with EtherNet/IP
The LED indications of the option board follow the CIP standard when the EtherNet/IP is set as the active protocol. The labels of the LEDs on the option board differ from the CIP definitions. Check the corresponding LED labels in the following tables.

Module Status LED
The Module status LED is labelled on the board as “BS”. It shows the status of the module, that is, if a fault has occurred or if the module has been configured. The MS LED functionality is described in the following table.

Table 8: EtherNet/IP Module Status LED Functionality

Network Status LED
The Network status LED is labeled on the board as “RN”. It shows the connectivity status of the device, that is, if there is a connection to the device, or the IP settings status. The NS LED functionality is described in the following table.

Table 9: EtherNet/IP Network Status LED Functionality

I/O Indicator LED
IO Indicator LED is labeled on board as “ER”. It shows the status of IO connection. This functionality was added in OPTE9 firmware V009 and in OPTEA firmware V002. The LED functionality is described in the following table.

Table 10: I/O Indicator LED Functionality

LED Indications on VACON® OPTEC Option Board
The RUN LED indicator describes the state of the bus and the ERR LED indicator describes the status of the board. OPTEC EtherCAT stays in the INITIALISATION state until the EtherCAT master device commands it into another state.

• A. RUN, Green
• B. ERR, Red/Green
• C. BS, Green

Table 11: EtherCAT RUN, GREEN

Table 12: EtherCAT ERR, RED

LED ERR Green is used by the EtherCAT option board only at startup to indicate boot status.

Table 13: EtherCAT ERR, GREEN

LED BS provides information about the EtherCAT option board’s internal state.

Table 14: BS = OPTEC board status, GREEN

command from the AC drive.
Blinking fast (once per 1 s)| The option board is activated and in RUN state

• The option board is ready for external communication

If there is an unrecoverable error, the OPTEC board notifies of this by using the red error LED. The cause of the error is coded into a series of long and short flashes. The sequence-coded error message repeats indefinitely. If more than one error has occurred the board cycles through each error code repeatedly.

Table 15: Error codes

Error number| Error name| Long flashes| Short flashes| Description
---|---|---|---|---
1| Initialization Error| 1| 2| Board Initialization Failed
2| Setup Error| 1| 3| Board Setup Failed
3| System Error 1| 1| 4| Internal System Error 1
4| System Error 2| 2| 1| Internal System Error 2
---|---|---|---|---
5| System Error 3| 2| 2| Internal System Error 3
6| EEPROM Error| 2| 3| Option Board EEPROM Read/Write Error
7| ASIC Error| 2| 4| EtherCAT ASIC Communication Error
8| Fieldbus Error| 3| 1| Fieldbus Interface Error
9| OB Service Error| 3| 2| Option Board Service Error
10| OB Manager Error| 3| 3| Option Board Manager Error

LED Indications on VACON® OPTCI, OPTCQ, and OPTCP Option Boards

Table 16: LED Indications on OPTCI, OPTCQ, and OPTCP Option Boards

•         OFF when the board is operational.

H2| •         Blinking 2.5 s ON/2.5 s OFF when the board is ready for external communication.

•         OFF when the board is not operational.

Node Flashing Test function

• To determine to which device the station is directly connected, use the “Node Flashing Test” function.
• For example, in Siemens S7, go to the menu command PLC > Diagnostics/Setting > Node Flashing Test…. The flashing FORCE LED identifies the station connected directly to the PG/PC.

Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed. All trademarks in this material are the property of the respective companies. Danfoss and the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.

Vacon Ltd

• Member of the Danfoss Group Runsorintie 7 65380 Vaasa Finland
• www.danfoss.com.

© Danfoss A/S 2020.06.

References

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