Newport FPM-8220 User manual

User’s Guide

Fiber Optic Power Meter

FPM-8220

70044001 April 2018

April 2018 i FPM-8220

Table of Contents

Safety Information and the Manual.................................................................................. v

General Safety Considerations........................................................................................ v

Safety Symbols .............................................................................................................. vi

Safety Marking Symbols.................................................................................................vii

Warranty.........................................................................................................................vii

Limitations.......................................................................................................................................vii

Returning an Instrument ................................................................................................viii

Claims for Shipping Damage ......................................................................................................... viii

Comments, Suggestions, and Problems ........................................................................ ix

Chapter 1: Introduction and Specifications .............................................1

Safety Considerations ..................................................................................................... 1

Product Overview ............................................................................................................ 1

Options and Accessories................................................................................................. 3

Specifications .................................................................................................................. 4

Chapter 2: General Operation ..................................................................5

Installation ....................................................................................................................... 5

Grounding Requirements................................................................................................................. 5

AC Line Power Requirements ......................................................................................................... 5

Power up Sequence......................................................................................................................... 5

Firmware Upgradeability.................................................................................................................. 6

GPIB Communication ...................................................................................................................... 6

USB Communication........................................................................................................................ 6

Connecting a Measurement Head ................................................................................................... 6

Tilt Foot Adjustment ......................................................................................................................... 6

Rack Mounting ................................................................................................................................. 6

April 2018 ii FPM-8220

Front Panel Operation ..................................................................................................... 7

Power On / Off ................................................................................................................................. 7

Setup................................................................................................................................................ 7

Mode ................................................................................................................................................ 8

Display ........................................................................................................................................... 10

Error Codes.................................................................................................................................... 11

The FPM-8220 Fiber Optic Measurement Heads.......................................................... 12

Protecting the FMH-8705 Fiber Optic Measurement Head ........................................................... 12

Protecting the FMH-8715 and FMH-87107 Fiber Optic Measurement Heads .............................. 13

Measurements through a Connector ............................................................................................. 13

Measurements through Bare Fiber ................................................................................................ 14

Measuring Higher Power ............................................................................................................... 17

Understanding the Calibration Certificate ...................................................................... 17

Photodetector Responsivity ........................................................................................................... 17

Analog Output (BNC)..................................................................................................... 18

Gain Range Boundaries................................................................................................................. 19

Determining Range ........................................................................................................................ 19

Relating Optical Power to Analog Voltage..................................................................................... 19

General Operation......................................................................................................... 21

Warm-up and Environmental Considerations................................................................................ 21

Summary of Operating Procedures ............................................................................................... 21

Chapter 3: Remote Operation.................................................................23

Remote Operation Features .......................................................................................................... 23

Basic GPIB Concepts .................................................................................................... 24

Data and Interface Messages........................................................................................................ 24

Talkers, Listeners, and Controllers ................................................................................................ 24

GPIB Cable Connections ............................................................................................................... 24

The GPIB Connector ..................................................................................................... 25

Configuring the GPIB Controller .................................................................................... 27

Changing Operation from Local to Remote ................................................................................... 27

Setting the GPIB Address.............................................................................................................. 27

Basic USB concepts ...................................................................................................... 27

GPIB vs. USB Communication ...................................................................................................... 28

April 2018 iii FPM-8220

Command Syntax .......................................................................................................... 29

Letters ............................................................................................................................................ 29

White Space................................................................................................................................... 29

Terminators.................................................................................................................................... 30

Command Separators.................................................................................................................... 30

Parameters .................................................................................................................................... 30

Command Tree Structure .............................................................................................. 32

Syntax Summary............................................................................................................................ 32

IEEE 488.2 Common Commands.................................................................................................. 34

Status Reporting............................................................................................................ 36

Event and Condition Registers ...................................................................................................... 36

Command Timing........................................................................................................................... 38

Sequential / Overlapped Commands............................................................................................. 38

Query Response Timing ................................................................................................................ 38

Chapter 4: Command Reference.............................................................39

Remote Command Reference Summary....................................................................... 39

Command Reference .................................................................................................... 42

Chapter 5: Troubleshooting ...................................................................67

Troubleshooting Guide .................................................................................................. 68

Optical Measurement Problems .................................................................................................... 71

Error Messages ............................................................................................................. 72

Error Code Tables.......................................................................................................................... 72



April 2018 iv FPM-8220

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April 2018 v FPM-8220

Safety and Warranty Information

Details about cautionary symbols

Safety markings used on the instrument

Information about the warranty

Customer service contact information

Safety Information and the Manual

Throughout this manual, you will see the words Caution and Warning indicating potentially

dangerous or hazardous situations which, if not avoided, could result in death, serious or minor injury,

or damage to the product. Specifically:

Caution indicates a potentially hazardous situation which can result in minor or moderate injury or

damage to the product or equipment.

Warning indicates a potentially dangerous situation which can result in serious injury or death.

Visible and/or invisible laser radiation. Avoid direct exposure to the beam.

General Safety Considerations

If any of the following conditions exist, or are even suspected, do not use the instrument until safe

operation can be verified by trained service personnel:

Visible damage

Severe transport stress

Prolonged storage under adverse conditions

Failure to perform intended measurements or functions

If necessary, return the instrument to ILX Lightwave, or authorized local ILX Lightwave distributor, for

service or repair to ensure that safety features are maintained.

April 2018 vi FPM-8220

All instruments returned to ILX Lightwave are required to have a Return Authorization Number

assigned by an official representative of ILX Lightwave Corporation. See Returning an Instrument for

more information.

Safety Symbols

This section describes the safety symbols and classifications.

Technical specifications including electrical ratings and weight are included within the manual. See

the Table of Contents to locate the specifications and other product information. The following

classifications are standard across all ILX Lightwave products:

Indoor use only

Ordinary Protection: This product is NOT protected against the harmful ingress of

moisture.

Class I Equipment (grounded type)

Mains supply voltage fluctuations are not to exceed ±10% of the nominal supply voltage.

Pollution Degree II

Installation (overvoltage) Category II for transient overvoltages

Maximum Relative Humidity: <80% RH, non-condensing

Operating temperature range of 0 °C to 40 °C

Storage and transportation temperature of –40 °C to 70 °C

Maximum altitude: 3000 m (9843 ft.)

This equipment is suitable for continuous operation.

April 2018 vii FPM-8220

Safety Marking Symbols

This section provides a description of the safety marking symbols that appear on the instrument.

These symbols provide information about potentially dangerous situations which can result in death,

injury, or damage to the instrument and other components.

Caution, refer

to manual

Earth ground

Terminal Alternating current

Visible and/or

invisible laser

radiation

Caution, risk of

electric shock

Protective

Conductor

Terminal

Caution,

hot surface

Frame or chassis

terminal

On: in position of bistable push control.

The slash (|) only denotes that mains are on

Off: Out position of a bistable push control.

The circle (O) only denotes that mains are off.

Warranty

ILX LIGHTWAVE CORPORATION warrants this instrument to be free from defects in material and

workmanship for a period of one year from date of shipment. During the warranty period, ILX will

repair or replace the unit, at our option, without charge.

Limitations

This warranty does not apply to fuses, lamps, defects caused by abuse, modifications, or to use of

the product for which it was not intended.

This warranty is in lieu of all other warranties, expressed or implied, including any implied warranty of

merchantability or fitness for any particular purpose. ILX Lightwave Corporation shall not be liable for

any incidental, special, or consequential damages.

If a problem occurs, please contact ILX Lightwave Corporation with the instrument's serial number,

and thoroughly describe the nature of the problem.

April 2018 viii FPM-8220

Returning an Instrument

If an instrument is to be shipped to ILX Lightwave for repair or service, be sure to:

Obtain a Return Authorization number (RA) from ILX Customer Service.

Attach a tag to the instrument identifying the owner and indicating the required service or

repair. Include the instrument serial number from the rear panel of the instrument.

Attach the anti-static protective caps that were shipped with the instrument and place the

instrument in a protective anti-static bag.

Place the instrument in the original packing container with at least 3 inches (7.5 cm) of

compressible packaging material. Shipping damage is not covered by this warranty.

Secure the packing box with fiber reinforced strapping tape or metal bands.

Send the instrument, transportation pre-paid, to ILX Lightwave. Clearly write the return

authorization number on the outside of the box and on the shipping paperwork. ILX

Lightwave recommends you insure the shipment.

If the original shipping container is not available, place your instrument in a container with at

least 3 inches (7.5 cm) of compressible packaging material on all sides.

Repairs are made and the instrument returned transportation pre-paid. Repairs are warranted for the

remainder of the original warranty or for 90 days, whichever is greater.

Claims for Shipping Damage

When you receive the instrument, inspect it immediately for any damage or shortages on the packing

list. If the instrument is damaged, file a claim with the carrier. The factory will supply you with a

quotation for estimated costs of repair. You must negotiate and settle with the carrier for the amount

of damage.

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