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INSTALLING YOUR LDX-3200 PRECISION CURRENT SOURCE
Grounding requirements
The LDX-3200 Series Precision Current Source comes with a three conductor AC power cable. The power cable must
either be plugged into an approved three-contact electrical outlet or used with a three-contact or two-contact adapter
with the grounding wire connected to an electrical ground (safety ground). The LDX-3200's power jack and supplied
power cable meet IEC safety standards.
AC Line Power Requirements
You can operate the LDX-3200 Series instrument from a single phase power source delivering nominal line voltages
of 100, 120, 220, or 240 VAC (all values RMS), at 50/60 Hz. The line power voltage can vary + 10% but cannot exceed
250 VAC. Maximum power consumption is 60 VA (Volt-Amps). The instrument's operational voltage is factory
configurable and need not be changed before operating the instrument. However, check to be sure that the voltage
printed on the back panel of the instrument matches the power-line voltage in your area.
WARNING
Before connecting the LDX-3200 Series Precision Current Source to a power source, verify that the AC power
source matches the setting of the LDX-3200's voltage printed on the rear panel of the instrument.
To avoid electrical shock hazard, connect the instrument to properly earth-grounded, 3-prong receptacles only.
Failure to observe this precaution can result in severe injury or death.
GPIB Connector
The IEEE 488.2 GPIB interface connector is located on the rear panel, directly above the power input module and fuse.
See Figure 1.2, LDX-3200 Series Rear View. Attach the GPIB cable to the 24-pin connector located on the rear panel.
The connector is tapered to ensure proper orientation. Using your fingers, tighten the two screws on the cable
connector.
A total of 15 devices can be connected together on the same GPIB interface bus. The cables have single male/female
connectors on each end so that several cables can be stacked. This allows more than one cable to be attached to any
one device. However, the maximum length of the GPIB cables must not exceed 20 meters (65 feet) total, or 2 meters
(6.5 feet) per device.
The GPIB Address
The talk and listen addresses on the LDX-3200 Series Precision Current Source are identical. This GPIB address is
read locally by pressing the (GPIB) LOCAL switch with the address displayed on the LCD display. The instrument
comes from the factory configured with the GPIB address set to 1. You can change the LDX-3200's GPIB address
locally (via front panel). A procedure for changing the address can be found in the section "Changing the GPIB
Address" in Chapter 3.
INTRODUCTION TO THE LDX-3200 SERIES
CHPT 1
PAGE
3
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