PS2520G and PS2521G Programmer Manual 1
Getting Started
With a computer (controller), you can operate the PS2520G and
PS2521G Programmable Power Supplies over the GPIB. This section
explains how to perform the following tasks:
HSet up GPIB systems
HConnect the programmable power supply to a GPIB controller
HSet GPIB address of the programmable power supply
HTest the GPIB connection

Setting Up the GPIB System

Observe these rules when you set up the programmable power supply
with a GPIB system:
HEach device on the bus needs a unique device address. No two
devices can share the same device address.
HDo not connect more than 15 devices to any one bus.
HConnect one device for every 2 m (6 ft) of cable used.
HDo not use more than 20 m (65 ft) of cable to connect devices to
a bus.
HTurn on at least two-thirds of the devices on the GPIB system
while you use the system.
HConfigure the devices on the system as shown in Figure 1. Do not
use loop or parallel configurations.