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Summary of Contents for Helmholz PN/CAN
- Page 1 PN/CAN gateway, PROFINET/CAN Layer 2 Manual Version 1 - 06/29/2017 Manual order number: 900-671-PNC01/en Helmholz GmbH & Co. KG | Hannberger Weg 2 | 91091 Großenseebach | Germany Phone +49 9135 7380-0 | Fax +49 9135 7380-110 | info@helmholz.de | www.helmholz.de...
- Page 2 Helmholz GmbH & Co. KG. All rights reserved in the event of the granting of a patent or the registration of a utility model. To download the latest version of this manual, please visit our website at www.helmholz.de. We welcome all ideas and suggestions.
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Page 3: Table Of Contents
4.2.2 CAN bus connection ......................13 4.2.3 PROFINET connection ......................13 4.2.4 USB interface ........................13 CAN bus ......................14 CAN bus wiring ........................14 CAN bus plug ........................14 PN/CAN gateway, PROFINET/CAN Layer 2 | Version 1 | 06/29/2017... - Page 4 Set receive channel filter ....................23 7.4.2 Collecting frames from the receive channel ................ 24 Transmission channel (Tx-FIFO) ..................... 25 7.5.1 Sending frames ........................25 LED-based diagnosis ..................27 Technical data ....................28 PN/CAN gateway, PROFINET/CAN Layer 2 | Version 1 | 06/29/2017...
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Page 5: General
Configuration, execution, and operating errors can interfere with the proper operation of the PN/CAN gateways and result in personal injury, as well as material or environmental damage. Only suitably... -
Page 6: Note Symbols And Signal Words
If the hazard warning is ignored, people can be injured or harmed. Draws attention to sources of error that can damage equipment or the environment. Gives an indication for better understanding or preventing errors. PN/CAN gateway, PROFINET/CAN Layer 2 | Version 1 | 06/29/2017... -
Page 7: Intended Use
Helmholz GmbH & Co. KG. The PN/CAN gateway may not be used as the only means for preventing hazardous situations on machinery and systems. -
Page 8: Installation
• Do not touch components and assemblies on contacts. 1.6.4 Overcurrent protection Overcurrent protection isn't necessary as the PN/CAN gateway transports no load current. The power supply of the PN/CAN gateway electronics is to be secured externally with a fuse of maximum 1 A (slow-blowing). 1.6.5 EMC protection... -
Page 9: Liability
1.6.8 Disclaimer of liability Helmholz GmbH & Co. KG is not liable for damages if these were caused by use or application of products that was improper or not as intended. Helmholz GmbH & Co. KG assumes no liability for any printing errors or other inaccuracies that may appear in the operating manual, unless there are serious errors of which Helmholz GmbH &... -
Page 10: System Overview
2.1 General/area of application The PN/CAN gateway connects a CAN network into a PROFINET network. Any CAN messages in 11 bit or 29 bit format (CAN 2.0A / CAN 2.0B) can be integrated into the IO area of a PROFINET CPU. -
Page 11: Installation And Removal
In order to ensure safe operation, the ambient temperature must not exceed 60 °C. 3.1 Installation position The PN/CAN gateway can be installed in any position. The front plate must be accessible in order to plug in bus lines. 3.2 Minimum clearance It is recommended to adhere to the minimum clearances specified when installing devices. -
Page 12: Setup And Wiring
4 Setup and wiring 4.1 EMC/safety/shielding The PN/CAN gateway complies with EU Directive 2004/108/EC (“Electromagnetic Compatibility”). One effective way to protect against disturbances caused by electromagnetic interference is to shield electric cables, wires, and components. When setting up the system and routing the required cables, make sure to fully comply with all standards, regulations, and rules regarding shielding. -
Page 13: Wiring Of The Pn/Can Gateway
4.2 Wiring of the PN/CAN gateway 4.2.1 Voltage supply The PN/CAN gateway is supplied with 24 V DC voltage via the 3-pin power supply plug (V+, GND, FE). 4.2.2 CAN bus connection SubD plug CAN bus CAN low CAN GND... -
Page 14: Can Bus
A CAN bus cable requires at least three wires: CAN high, CAN low, and CAN ground. Only linear bus topologies are allowed, A terminating resistor of 120 ohms must be connected between CAN high and CAN low at both ends of the CAN bus cable. The PN/CAN gateway has no installed bus terminating resistor. -
Page 15: Setup And Use
6 Setup and use 6.1 Install GSDML file The GSDML file can be found on the accompanying CD or in the download area of the "PN/CAN gateway Layer 2" at www.helmholz.de. 6.2 Configuring gateway The PN/CAN gateway can be found in the hardware under "PROFINET IO Other field devices ... -
Page 16: Configuring Gateway
Carry out a device reset for PLC stop: When the PN/CAN gateway receives the "PLC in stop" signal via PROFINET, it can carry out an internal reset in order to ensure a defined basic status for a restart of the PLC. -
Page 17: Adding Can Frame
6.3 Adding CAN frame The PN/CAN Gateway Layer 2 can transmit and receive CAN frames with 1 to 8 bytes of data and any CAN-IDs. A module with the CAN identifier must be configured in the slots of the PN/CAN gateway for each anticipated CAN frame and each CAN frame to be transmitted. -
Page 18: Automatically Transmitting Can Frames
In the case of controlled transmission, CAN frames with 0 to 8 bytes can be configured. An RTR frame can also be transmitted. PN/CAN gateway, PROFINET/CAN Layer 2 | Version 1 | 06/29/2017... -
Page 19: Assign The Pn/Can Gateway A Profinet Name
The clear identification of the PN/CAN gateway is ensured here by the MAC address of the device. The assigned name must agree with the name established in the hardware configurator (see Ch. 6.2.1). If the PN/CAN gateway has been assigned the correct PROFINET name, it is recognized by the PLC and configured. -
Page 20: Programming In The Plc
Reset: Carrying out a user reset. After setting the bit, one must wait for the bit 6 in the status byte 0. The PN/CAN gateway is in the INIT mode following the reset. The reset bit in status control can now be reset. -
Page 21: Status (6 Bytes Inputs)
The two mode status bits show the status of the PN/CAN gateway. Principally, an attempt is made to activate the status requested in the mode of the control word. However, this can be prevented by configuration errors. -
Page 22: Controlled Receiving Of Can Frames
The request and the acknowledge bit for the transmission of CAN frames are always toggled: Request bit ≠ Acknowledge bit Transmit frame Request bit = Acknowledge bit Frame transmitted PN/CAN gateway, PROFINET/CAN Layer 2 | Version 1 | 06/29/2017... -
Page 23: Receive Channel (Rx-Fifo)
In contrast with the reception objects, the CAN frames for the reception channel can also have differing data lengths. The number of temporarily stored frames can be set in the parameters of the PN/CAN gateway (see ch. 6.2.1.) between 1 and 255. -
Page 24: Collecting Frames From The Receive Channel
3 "Receive channel FIFO: Mask and the code result in too many areas (max. 16)" will be displayed upon starting up of the PN/CAN gateway in status byte 1 of error 3 (see also Ch. 7.1.2). -
Page 25: Transmission Channel (Tx-Fifo)
(negate bit value) the bit 0 in byte 0 "Tx-Toggle", the frame is entered into the transmission FIFO in the PN/CAN gateway. The bit 0 in the input byte 0 "Tx-ACK" is also toggled by the PN/CAN gateway as a response. - Page 26 PC/CAN parameters. All changes to the frame information are adopted for the next transmission point in time. "Tx-FIFO Reset" deletes the content of the Tx-FIFO entirely. Frames that have already been forwarded to the CAN controller are still transmitted. PN/CAN gateway, PROFINET/CAN Layer 2 | Version 1 | 06/29/2017...
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Page 27: Led-Based Diagnosis
CAN bus error in the receiver or PN/CAN gateway hasn't been configured yet CAN-TX Flashing green CAN frames are being transmitted Transmission error has occurred (e.g. false Baud rate, CAN bus disrupted) or the PN/CAN gateway has not yet been configured PN/CAN gateway, PROFINET/CAN Layer 2 | Version 1 | 06/29/2017... -
Page 28: Technical Data
DIN EN 60068-27:2010 “Shock” Protection rating IP 20 Relative humidity 95% without condensation Installation position Permissible ambient temperature 0° C to 60° C Transport and storage temperature -20° C to 80° C PN/CAN gateway, PROFINET/CAN Layer 2 | Version 1 | 06/29/2017...
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