GW Instek · Power supply

GW Instek GPP series multi-channel programmable DC power supply (SCPI)

BenchMesh controls the GW Instek GPP series multi-channel programmable DC power supply (SCPI) from your PC: live readings on a power supply panel, every setting within reach, and every value recordable on one timeline with the rest of your bench.

Models

Model	Status	Note
GPP-1326	Awaiting confirmation
GPP-2323	Awaiting confirmation
GPP-3323	Awaiting confirmation	CH3 (1.8/2.5/3.3/5 V fixed steps, 5 A) is not exposed: its readback returns the setpoint and zero current (p.124-125)
GPP-4323	Awaiting confirmation

What you can do from BenchMesh

Power supply panel 2 channels

Live readings

CC
CV
IOUT
OUTPUT
POUT
REMOTE
SBY
VOUT

Settings you can change

Current
Current limit
Ocp
Output
Ovp
Remote
Voltage
Voltage limit

Connections

USB-serial / RS-232: 115200 baud, 8N1. Plug in the USB cable (or a USB-RS-232 adapter); BenchMesh finds the port.
LAN (SCPI socket): TCP port 1026. Enter the instrument’s IP address.

Notes

Interface on some models onlyLAN and GPIB are options on every model.

Sources

The definition was written from these documents (definition gwinstek_gpp v0.1.0).

GPP Series User Manual (GPP_Series_User_Manual.pdf), pages 100-114 (interfaces, syntax), 124-136, 183-188 (commands), 198-200 (specifications)

Have one on your bench?

Connect it, press Detect, try the controls - then tell us how it went. Every confirmation moves a model from “Awaiting” to “Community-confirmed” for everyone.

Download BenchMesh How to confirm an instrument