HART Communication Simulator
Interactive 4-20 mA loop and HART command simulator for basic device communication, process value testing, and command/response visualization.
Loop Online
Polling address 0 · Primary master active
4-20 mA Loop
🖥️
Host / Configurator
Primary master sends HART commands over the analog current loop.
10.80 mA
42.50 %
📡
FT-101
Flow Transmitter
HART slave device
Live Data
Primary Variable
42.50 %
Loop Current
10.80 mA
Device Status
OK
HART FSK Visual Simulation
Master → Transmitter
Request / Reply
FSK Bell 202
1200 / 2200 Hz
1200 bps
PV: 62.0 %
Level: 8 %
Simulated cycles: 3
Status: initializing...
Simulated Frame
PRE | CMD 01 | READ PV | CHK
Analog 4-20 mA current
HART FSK signal
Master request
Device response