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4.2.2 Connection of the Serial Interfaces at DSUB9 Connector TxD RxD CTS RTS GND 4 3 9 7 6 Description of the Assemblies Below the wiring of the serial interface in relation to the data direction is shown. The figures should explain the short terms of the signals used in the appendix (connector assignment). Furthermore the circuit layouts of the various available piggybacks can be found in the appendix (circuit diagrams). 4.2.2.1 The RS-232 Interface The signal description is given exemplary for the connection of the CAN-CBM-COM1 module as a modem (DCE). CAN-CBM-COM1 local signal terms MSTB connector line: RxD CAN-CBM-COM1 Hardware Manual Rev. 1.1 21 TxD RTS CTS GND pin numbers of the 12-pole MSTB connector pin numbers of the 9-pole DSUB socket DSUB9 socket Fig. 4.2.2: Connection scheme for RS-232 operation 2 3 7 8 5 Terminal (Example: PC as DTE) RxD TxD RTS CTS GND
22 Description of the Assemblies 4.2.2.2 The RS-422 Interface CAN-CBM-COM1 Termimal TxD RxD GND local signal terms 4.2.2.3 The RS-485 Interface 3 5 11 7 6 Tx+ Tx- Rx+ Rx- GND pin numbers of the 12-pole MSTB socket Fig. 4.2.4: Connection scheme for RS-422 operation RxD TxD GND TxD 5 RxD Rx/Tx- RxD RTS CAN-CBM-COM1 +5V 1 k 150 3 11 7 Rx/Tx+ TERM+ TERM- 1 k 6 GND GND GND local signal terms Terminal pin numbers of the 12-pole MSTB socket Fig. 4.2.5: Connection scheme for RS-485 operation To activate the terminal-resistance network which is on the piggyback, e.g. the pin 3 and 11 as well as pin 5 and 7 of the MSTB connector have to be connected. TxD CAN-CBM-COM1 Hardware Manual Rev. 1.1
Page 1 and 2: CAN-CBM-COM1 CAN-CBM-COM1 Hardware
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Page 7 and 8: i Overview The ISO 11898-compatible
Page 9 and 10: i Overview 1.2.2 CAN- and Microcont
Page 11 and 12: i Overview Order Information 1.3 Or
Page 13 and 14: LED Display 2.3 LED Display The mod
Page 15 and 16: LED Display 2.3.2 State of Red and
Page 17 and 18: Hardware Configuration 3.2 Jumpers
Page 19 and 20: Hardware Configuration Bit rate (D6
Page 21 and 22: Hardware Configuration 3.2.2.2 CAN
Page 23: Description of the Assemblies 4.2 S
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Page 29 and 30: Connector Assignment 5.1 CAN-Interf
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Page 33 and 34: Cabling 30 Wiring for devices whic
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