n
- 3 -
4.3.3
Modbus Settings
......................................................................................... - 32 -
4.3.4
Restore Factory Defaults
............................................................................ - 34 -
4.4
Serial Port Page
........................................................................................... - 36 -
4.4.1
Settings (Port1 Settings)
............................................................................ - 36 -
4.4.2
Settings (Pair-Connection Settings)
........................................................... - 39 -
4.5
Filter Page
................................................................................................... - 40 -
4.6
Monitor Page
.............................................................................................. - 41 -
4.7
Password Page
............................................................................................ - 42 -
4.8
Logout Page
................................................................................................ - 43 -
5.
Typical Applications
.......................................................................................................... - 44 -
5.1
Modbus Gateway
........................................................................................ - 44 -
5.2
Modbus Net ID
............................................................................................ - 44 -
5.3
Pair-connection Applications
..................................................................... - 45 -
5.4
TCP Client Mode Applications
.................................................................... - 49 -
6.
Modbus Information
.......................................................................................................... - 51 -
6.1
Modbus Message Structure
........................................................................ - 51 -
01(0x01) Read the Status of the Coils (Readback DOs)
..................................................... - 54 -
02(0x02) Read the Status of the Input (Read DIs)
............................................................ - 55 -
03(0x03) Read the Holding Registers (Readback AOs)
..................................................... - 56 -
04(0x04) Read the Input Registers (Read AIs)
................................................................. - 57 -
05(0x05) Force a Single Coil (Write DO)
......................................................................... - 58 -
06(0x06) Preset a Single Register (Write AO)
.................................................................. - 59 -
15(0x0F) Force Multiple Coils (Write DOs)
..................................................................... - 60 -
16(0x10) Preset Multiple Registers (Write AOs)
...................................................... - 61 -
Appendix A: Troubleshooting
................................................................................................... - 62 -
A1. How do I restore the web password for the module to the factory default password? .. - 62 -
Appendix B: Actual Baud Rate Measurement
........................................................................... - 64 -
Appendix C: Exception Codes
.................................................................................................... - 65 -