YOKOGAWA 701934 User manual

User’s
Manual 701934
Power Supply
IM 701934-01E
5th Edition

1
IM 701934-01E
5th Edition: October 2017 (YMI)
All Rights Reserved, Copyright © 2004 Yokogawa Electric Corporation
All Rights Reserved, Copyright © 2015 Yokogawa Test & Measurement Corporation
Thank you for purchasing the 701934 Power Supply.
This user’s manual contains useful information about the functions and
operating procedures of the 701934 Power Supply as well as precautions that
should be observed during use. To ensure proper use of the instrument, please
read this manual thoroughly before beginning operation.
After reading this manual, please keep it in a convenient location for reference
whenever a question arises during operation.
List of Manuals
The following manuals are provided for the 701934 Power Supply.
Manual Title Manual No. Notes
701934 Power Supply
User’s Manual
IM 701934-01E This manual.
701934 Power Supply
User’s Manual
IM 701934-92 Document for China
701934 Power Supply
User’s Manual
IM 701934-93Z2 Document for Korea
The “E” and “Z2” in the manual numbers are the language codes.
Contact information of Yokogawa offices worldwide is provided on the following
sheet.
Document No. Description
PIM113-01Z2 List of worldwide contacts
Revisions
1st Edition: May 2004
2nd Edition: November 2005
3rd Edition: October 2008
4th Edition: November 2015
5th Edition: October 2017

2IM 701934-01E
Checking the Contents of the Package
If some items are missing or otherwise inconsistent with the contents
description, please contact your dealer or nearest YOKOGAWA representative.
701934 Power Supply (main unit)
Accessories
• Manuals    1set
• Powercord   1
Safety Precautions
This is an IEC safety class I instrument (with protective grounding).
The following general safety precautions must be taken during all phases of
operation, service, and repair of this instrument. If this instrument is used in
a manner not specified in this manual, the protective features provided by
the instrument may be impaired. YOKOGAWA assumes no liability for the
customer’s failure to comply with these requirements.
The instrument is marked with the following symbols.
To avoid injury, death of personnel or damage to the instrument, the
operator must refer to an explanation in the User’s Manual or Service
Manual.
Functional grounding terminal (This terminal should not be used as a
“Protective grounding terminal”.)
Alternating current.
ON (power).
OFF (power).

3
IM 701934-01E
Precautions
Please heed the following warnings and cautions to ensure safe use of the
instrument and to obtain maximum performance.
WARNING
This instrument connects to a grounding wire using the included grounding
type 2-prong power cord. To prevent accidents such as electric shock,
connect the power cord to a grounded 2-prong outlet.
CAUTION
• Donotexposetheinstrumenttovibrationorphysicalshockduring
shipping and handling. Take particular caution never to drop the
instrument.
• Avoidstoringorusingtheinstrumentinlocationsthatareexposedto
direct sunlight, high temperatures, or condensation. These conditions
can result in deformation, discoloring, or other changes causing failure
to meet product specifications.
• Beforeusingtheinstrument,pleaseperformaninspectionand
operational test to check for any damage that may have occurred due to
improper storage or shipping. If damage is found, contact your nearest
dealer or Yokogawa representative.
• Whenunpluggingthepowercordfromtheoutletortheinstrument,
never pull by the cord itself. Always hold and pull by the plug.
• Thisinstrumentisnotwaterproofordustproof.Donotusetheinstrument
in locations with a large amount of water or dust.
• Tocleantheinstrument,wipeusingasoftclothwithasmallamountof
water or mild detergent. Never use detergents that contain benzene,
alcohol, acetone, ethyl compounds, ketones, thinner, or gasoline as
deformation or discoloration can result.
Safety Precautions

4IM 701934-01E
Sales in Each Country or Region
Waste Electrical and Electronic Equipment
Waste Electrical and Electronic Equipment (WEEE), Directive
(This directive is valid only in the EU.)
This product complies with the WEEE directive marking requirement.
This marking indicates that you must not discard this electrical/
electronic product in domestic household waste.
Product Category
With reference to the equipment types in the WEEE directive, this
product is classified as a “Monitoring and control instruments”
product.
When disposing products in the EU, contact your local Yokogawa
EuropeB.V.office.
Do not dispose in domestic household waste.
Authorized Representative in the EEA
YokogawaEuropeB.V.istheauthorizedrepresentativeofYokogawaTest&
Measurement Corporation for this product in the EEA. To contact Yokogawa
EuropeB.V.,seetheseparatelistofworldwidecontacts,PIM113-01Z2.

5
IM 701934-01E
The following markings are used in this manual.
Improper handling or use can lead to injury to the user or
damage to the instrument. This symbol appears on the
instrument to indicate that the user must refer to the user’s
manual for special instructions. The same symbol appears in
the corresponding place in the user’s manual to identify those
instructions. In the manual, the symbol is used in conjunction
with the word “WARNING” or “CAUTION.”
WARNING Calls attention to actions or conditions that could cause serious
or fatal injury to the user, and precautions that can be taken to
prevent such occurrences.
CAUTION Calls attention to actions or conditions that could cause
light injury to the user or damage to the instrument or user’s
data, and precautions that can be taken to prevent such
occurrences.
Note Calls attention to information that is important for proper
operation of the instrument.

6IM 701934-01E
Contents
List of Manuals..................................................................................................................1
Checking the Contents of the Package.............................................................................2
Safety Precautions............................................................................................................2
Sales in Each Country or Region......................................................................................4
Product Overview..............................................................................................................7
Names of Parts .................................................................................................................7
Operating Procedure.........................................................................................................7
Preparation ...........................................................................................................7
Performing Measurement .....................................................................................7
Description of Parts...........................................................................................................8
Power Receptacles...............................................................................................8
Specifications....................................................................................................................8
Product Specifications ..........................................................................................8
Standards Compliance .........................................................................................8
If servicing is required .......................................................................................................8

7
IM 701934-01E
Product Overview
This instrument is a power supply for probes.
Four power supply receptacles are located on the front panel, allowing
simultaneous powering of up to four probes.
Names of Parts
Front view Rear view
Power switch
Power ON
Power OFF
Power cord
inlet
Grounding
terminal
Power receptacles
Power indicator
POWER
OUTPUT
PROBE 1 PROBE 2 PROBE 4
PROBE 3
Operating Procedure
Preparation
CAUTION
Beforeturningonthepower,makesurethatthepowersupplyvoltage
indicated on the back of the instrument matches that of the power outlet
you are using.
1Turn the power switch OFF, then connect the power cord.
2Connect the power plug of the DL series wide bandwidth current probe
you are using to a power receptacle on the instrument.
3Turn ON the power switch, and confirm that the power indicator on the
front panel illuminates.
Performing Measurement
Refer to the user’s manual of the current probe you are using (model 700937,
701930, 701931, 701932 or 701933).

8IM 701934-01E
Description of Parts
Power Receptacles
The pin arrangement within the receptacles is shown in the figure below.
1 NC
2 +12V
3 –12V
4 GND
1 4
32
Specifications
Product Specifications
Compatible Probes 700937 Current Probe, 700939 FET Probe
701920 Differential Probe, 701920 Differential Probe
701930 Current Probe, 701931 Current Probe
701932 Current Probe, 701933 Current Probe
No. of Power Receptacles 4
OutputVoltage ±(12±0.5)V
Operating Temperature/Humidity 0 to 40°C, 80% RH or less (no condensation may be
present)
Storage Temperature/Humidity -10 to 50°C, 80% RH or less (no condensation may
be present)
Operating Altitude Up to 2000 m, indoors
Rated Output Current ±2.5 A (total value for each output)
RatedSupplyVoltage 100to240VAC
(actual power supply voltage may fluctuate within ±
10% of the rating)
RippleVoltage 50mVp-p
Rated Power Supply Frequency 50/60 Hz
Rated Power 190VAMax(attheratedoutputcurrent)
External Dimensions 80 (W) × 119 (H) × 200 (D) mm
Weight Approx. 1.2 kg
Accessories Power cord, user’s manual
Standards Compliance
Safety EN61010-1, pollution degree 2
EMC EN61326-1
EN61000-3-2
EN61000-3-3
EN55011ClassB,Group1
EMC standards of Australia and New Zealand
EN55011ClassB,Group1
If servicing is required
Contact your nearest Yokogawa dealer or representative if servicing is required,
or if the instrument fails to operate normally.