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1. Overview C A N B U S CAN Connector MC1,5/5-GF38 ME-MAX Bus Connector Power Connector MSTBO 2,5/4- G1LKMGY Electrical Isolation Physical CAN Layer Power Supply 24 V(DC) +5 V= DC/DC Converter LEDs +5 V= CAN Microcontroller MB90497 Transmitter/ Receiver Serial Interface Fig. 1: Block diagram of the CAN-CBX-AIR module Overview Coding Switches CAN Baud Rate CANopen Node-ID DSUB9 Connector The CAN-CBX-AIR module is designed for wireless radio communication of separated CAN networks. A CAN-CBX-AIR-Bridge comprises two CAN-CBX-AIR modules. The CAN-CBX-AIR module is equipped with a MB90F543 microcontroller, which buffers the CANdata in a local SRAM. The firmware is stored in the Flash memory. Parameters are stored in a serial EEPROM. The power supply voltage and the CAN bus signals can be fed via the In-Rail-bus connector, integrated in the mounting rail, or via individual connectors. The ISO 11898-compliant CAN interface allows a maximum data transfer rate of 1 Mbit/s. The CAN interface is electrically isolated from other units by optocouplers and a DC/DC-converter. The CANopen node-ID of the CAN-CBX-AIR module and the CAN bit rate can be easily set via three coding switches. The serial RS-232 interface for service and development can be connected via a DSUB9 connector. CAN-CBX-AIR Manual Rev. 1.1 3 Antenna i
Hardware Installation 2. Hardware Installation 2.1 Connecting Diagram 4 Fig. 2: Connections of the CAN-CBX-AIR module For the signal assignments of the connectors in table form refer to page 22. CAN-CBX-AIR Manual Rev. 1.1
Page 1 and 2: CAN-CBX-AIR Manual Rev. 1.1 CAN-CBX
Page 3 and 4: CAN-CBX-AIR Manual Rev. 1.1 N O T E
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Page 9 and 10: LED Label 6 Hardware Installation L
Page 11 and 12: Baud rate 8 Hardware Installation T
Page 13 and 14: 10 Hardware Installation according
Page 15 and 16: Hardware Installation 3.3 CAN Inter
Page 17 and 18: 14 CRX0 Description of the Units 4.
Page 19 and 20: Configuration 5. Configuration of t
Page 21 and 22: Configuration I0:ID Net 0 I1:ID Net
Page 23 and 24: Configuration The current configura
Page 25 and 26: 22 Connector Assignment 6. Connecto
Page 27 and 28: Connector Assignment 6.2 CAN-Bus (X
Page 29 and 30: Connector Assignment 6.4 Power Supp
Page 31 and 32: Cabling 28 Wiring for devices whic
Page 33 and 34: Wiring Examples for CAN Wires 30 Ma
Page 35 and 36: CAN-Bus Troubleshooting Guide 8.2 C

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