WIMNETModbus Scanner — Modbus master · scanner · byte-swap decoder
valid till 09-11-2026
polling  u1  f03  @0
—  □  ✕
link TCPRTU TCP IP 192.168.1.50 port 502 RTU COM COM3 baud 9600 parity N stop 1 timeout s 1.0
Poll  (master)
Device Scan
Register Scan
Byte-Swap Decode
Traffic
slave id 1 function 03 Holding registers address 0 quantity 6 interval ms 500 Read once▸ Poll⏹ Stop Tx = 0 Err = 0
SlaveAddrRaw regs (hex)Type ABCD (big endian)BADC (byte swap)CDAB (word swap)DCBA (little endian)

Modbus traffic — ID:[slave] RX/TX:[bytes] : packet hex

Polling 6 holding registers over Modbus TCP — every value decoded in all four byte orders