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Chapter 2 · Level Converter

Signal Curves

2.1K-Line

Settings: V_Supply = 12V; J4 to Single; J7 to VCC (5V); K bridged to L; transmission = 0x55

Oscilloscope capture: 256 KBaud on K — Image 1: 256 KBaud on K

Oscilloscope capture: 256 KBaud on RS232 Rx — Image 2: 256 KBaud on RS232 Rx

Oscilloscope capture: 500 KBaud on K — Image 3: 500 KBaud on K

Oscilloscope capture: 500 KBaud on RS232 Rx — Image 4: 500 KBaud on RS232 Rx

Oscilloscope capture: 1 MBaud on K — Image 5: 1 MBaud on K

Oscilloscope capture: 1 MBaud on RS232 Rx — Image 6: 1 MBaud on RS232 Rx

2.2RS485

Settings: V_Supply = 12V; jumper on J8 and J9; Tx_p and Tx_n bridged to Rx_p and Rx_n; transmission = 0x55

Oscilloscope capture: 1 MBaud on RS485 Tx — Image 7: 1 MBaud on RS485 Tx

Oscilloscope capture: 1 MBaud on RS232 Rx — Image 8: 1 MBaud on RS232 Rx

Oscilloscope capture: 2 MBaud on RS485 Tx — Image 9: 2 MBaud on RS485 Tx

Oscilloscope capture: 2 MBaud on RS232 Rx — Image 10: 2 MBaud on RS232 Rx

Oscilloscope capture: 3 MBaud on RS485 Tx — Image 11: 3 MBaud on RS485 Tx

Oscilloscope capture: 3 MBaud on RS232 Rx — Image 12: 3 MBaud on RS232 Rx

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