grabowski
1594a240c0
Python package for controlling the Prodigit 3366G (600V/420A/6kW) over RS-232 serial. Includes driver with full command support (CC/CR/CV/CP modes, measurements, battery test, OCP/OPP, dynamic mode, limits) and CLI tool with identify, measure, monitor, live graph, and raw send. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Prodigit 3366G DC Electronic Load
Python RS-232 control tools for the Prodigit 3366G High Power DC Electronic Load (600V, 420A, 6000W).
Setup
uv sync
Quick Start
# Identify the instrument
prodigit identify
# Take a single measurement
prodigit measure
# Monitor continuously (Ctrl+C to stop)
prodigit monitor --interval 1.0 --output data.csv
# Live graph
prodigit live --interval 0.5
# Set CC mode at 10A
prodigit set CC 10.0
# Turn load on/off
prodigit load on
prodigit load off
# Send raw command
prodigit send "MODE?"
prodigit send "CC CURR:HIGH 5.0"
Serial Connection
Default: COM1, 9600 baud, 8N1, RTS/CTS hardware flow control.
# Use a different port or baud rate
prodigit -p COM3 -b 115200 identify
Python API
from prodigit3366g import Prodigit3366G
with Prodigit3366G("COM1", baudrate=9600) as load:
load.remote()
load.set_mode("CC")
load.set_cc_current(10.0)
load.load_on()
result = load.measure_all()
print(f"V={result.voltage:.3f}V I={result.current:.3f}A P={result.power:.3f}W")
load.load_off()
Modes
| Mode | Command | Description |
|---|---|---|
| CC | prodigit set CC <amps> |
Constant Current (0-420A) |
| CR | prodigit set CR <ohms> |
Constant Resistance |
| CV | prodigit set CV <volts> |
Constant Voltage (0-600V) |
| CP | prodigit set CP <watts> |
Constant Power (0-6000W) |
3366G Specifications
| Parameter | Range 1 | Range 2 (turbo) |
|---|---|---|
| Power | 0-6kW | 0-9kW |
| Current | 0-420A | 0-630A |
| Voltage | 0-600V | 0-600V |