NF CA5350 User manual

NF Corporation
PROGRAMMABLE CURRENTAMPLIFIER
CA5350
Instruction Manual

PROGRAMMABLE CURRENTAMPLIFIER
CA5350
Instruction Manual
DA00043807-003

CA5350
i
―――Preface ―――
Thank you very much for purchasing our “CA5350 PROGRAMMABLE
CURRENT AMPLIFIER”.
To ensure safe and proper use of this electrical equipment, please read first
“Safety Precautions” on the following pages.
Caution Symbols Used in This Manual
The following caution symbols are used in this manual. Be sure to observe these caution
symbols and their contents to ensure the safety of the user and avoid damage to the
equipment.
Equipment handling could result in death or serious injury. This symbol contains
information to avoid such risk.
Equipment handling could result in minor or moderate injury or property damage.
This symbol contains information to avoid such risk.
The scope of this Manual
This manual describes the CA5350 that conform to requirements of CE Marking.
Products without CE Marking affixed, may not meet derectives for CE Marking (EMC and
others). Please confirm the CE Marking is affixed on the rear panel.
If using this equipment for the first time, start from “1. OUTLINE”.
1. OUTLINE
This chapter describes the overview, features, applications, functions and simple
operation principle of this product.
2. PREPARATIONS BEFORE USE
This chapter describes important preparation before installation and operation.
3. PANEL FEATURES AND BASIC OPERATIONS
This chapter describes the functions and simple operations available for each part in
the panel. Read while operating the equipment.
4. ADVANCED OPERATIONS
This chapter describes advanced operations.
5. REMOTE CONTROL
This chapter describes remote control through GPIG or USB.
6. TROUBLESHOOTING
This chapter describes how to deal with error messages and troubles.
7. MAINTENANCE
This chapter describes storage, repacking transportation as well as performance
testing.
8. SPECIFICATIONS
This chapter describes the product’s specifications (functions and performance).
CAUTION
WARNING

CA5350
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――― Safety Precautions ―――
To ensure safe use, be sure to observe the following warnings and cautions.
NF Corporation shall not be held liable for damages that arise from a failure to observe
these warnings and cautions.
This product is a Class I product (with protective conductor terminal) that conforms to the
JIS and IEC insulation standards.
Be sure to observe the contents of instruction manual.
This instruction manual contains information for the safe operation and use of this
product.
Be sure to read this information first before using this product.
All the warnings in the instruction manual must be heeded to prevent hazards that
may cause major accidents.
Be sure to ground the product.
To prevent electric shock, be sure to safety implement grounding such that ground
resistance is 100Ω or lower.
This product is automatically grounded when its three-pin power supply plug is
connected to the power outlet with a protective-ground contact.
When using a three-pin to two-pin conversion adapter, be sure to connect the grounding
wire of the adapter to the grounding terminal next to the outlet.
Check the power supply voltage
This product operates under the power supply voltage indicated in “Grounding and
Power Supply Connection” in this instruction manual.
Before connecting the power supply, check that the voltage of the power supply matches
the rated power supply of this product.
Observe the fuse rating
Using an unspecified fuse could cause a fire. Use the rated fuse specified in “Grounding
and Power Supply Connection” of the instruction manual.
Also, when replacing the fuse, the power cord must be disconnected from the power
outlet.
In case of suspected anomaly
If this product emits smoke, an abnormal smell, or abnormal noise, immediately power
it off and stop using it.
If such an abnormal occurs, prevent anyone from using this product until it has been
repaired, and immediately report the problem to NF Corporation or one of our
representatives.
Do not use this product when there is gas around.
An explosion or other such hazard may occur.

CA5350
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WARNING
Do not remove the cover.
This product contains high-voltage parts. Absolutely never remove its cover. Even when
the inside of this product needs to be inspected, do not touch the inside. All such
inspections should be performed by service technicians designated by NF Corporation.
Do not modify this product.
Absolutely never modify this product, as this may cause new hazards and may
disqualify this product from repair in case of failure.
Ensure that water does not get into this product or it does not get wet.
Using the product in wet condition may cause electric shock and fire. When water etc.
get into the product, immediately pull out the power supply cord, and contact NF
Corporation or one of our representatives from where you bought the product.
In the event of thunderstorm in the nearby area, turn off the power supply switch, and
pull out the power supply cord.
Thunderstorm may cause electric shock, fire, and breakdown.
Safety-related symbols
The general definitions of the safety-related symbols used on this product and in the
instruction manual are provided below.
Instruction Manual Reference Symbol
This symbol is displayed to alert the user to potential danger and
refer him/her to the instruction manual.
Electric Shock Danger Symbol
This symbol indicates locations that present a risk of electric
shock under specific conditions.
Warning Symbol
This symbol indicates information for the avoidance of a hazard such
as electric shock that may endanger human life or cause serious injury
during handling of the equipment.
Caution Symbol
This symbol indicates information for minor or moderate injury, or
property damage to the equipment during handling.
●Other Symbols
This symbol indicates the “on” position of the power switch.
This symbol indicates the “off” position of the power switch.
This symbol indicates that external conductor of the connector is
connected to the case.
This symbol indicates that the external conductor of connector is
connected to the signal ground.
CAUTION

CA5350
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──── Electromagnetic Compatibility ────
This product may cause interference if used in residential areas. Such use must be avoided
unless the user takes special measures to reduce electromagnetic emissions to prevent
interference to the reception of radio and television broadcasts.
──── Note on Waste Processing ────
To protect the environment, ensure that this device is disposed of by an appropriate
industrial waste processor. This product does not use batteries or a backlight that contains
mercury.

Contents
CA5350
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Contents
Page
1. OUTLINE ......................................................................................................................1-1
1.1 Features ................................................................................................................1-2
1.2 Applications...........................................................................................................1-2
1.3 List of Functions ....................................................................................................1-3
1.4 Principle of Operation............................................................................................1-4
2. PREPARATIONS BEFORE USE..................................................................................2-1
2.1 Checking Before Use.............................................................................................2-2
2.2 Installation .............................................................................................................2-3
2.2.1 General Precautions for Installation................................................................2-3
2.2.2 Installation Conditions ....................................................................................2-3
2.2.3 Rack Mounting................................................................................................2-4
2.3 Grounding and Power Supply Connection ...........................................................2-13
2.4 Simplified Operation Check .................................................................................2-15
2.4.1 Checking operation and display at power on ................................................2-15
2.4.2 Checking key operation and response..........................................................2-15
2.5 Calibration ...........................................................................................................2-16
3. PANEL FEATURES AND BASIC OPERATIONS ..........................................................3-1
3.1 Panel Component Names and Functions...............................................................3-2
3.1.1 Front panel .....................................................................................................3-2
3.1.2 Rear panel......................................................................................................3-3
3.2 Display at Power “ON” and Initial Setting ...............................................................3-4
3.2.1 Displays and Indications at Power “ON” .........................................................3-4
3.2.2 Initialization.....................................................................................................3-5
3.3 I/O Terminals .........................................................................................................3-6
3.4 I/O Connection.......................................................................................................3-9
3.4.1 Connection of optical sensor (photodiode)....................................................3-10
3.4.2 Connection with lock-in amplifier, etc............................................................3-12
3.5 Operation Tree.....................................................................................................3-13
3.6 Basic Operation Examples...................................................................................3-15
3.6.1 Basic Key Operations ...................................................................................3-15
3.6.2 Simplified Operating Method When You Use Device for the First Time.........3-17
3.6.3 Initialization...................................................................................................3-18
3.6.4 Basic Settings...............................................................................................3-19
3.6.4.1 Input switching .........................................................................................3-19
3.6.4.2 Zero Check ..............................................................................................3-19

Contents
CA5350
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3.6.4.3 Gain Setting.............................................................................................3-19
3.6.4.4 Filter Setting.............................................................................................3-20
4. ADVANCED OPERATIONS ..........................................................................................4-1
4.1 Zero Check............................................................................................................4-2
4.2 Cancelling the dark current of sensor ....................................................................4-3
4.2.1 Manually setting the current value to be cancelled .........................................4-4
4.2.2 Automatically deciding the current value to be cancelled................................4-4
4.3 Setting DC Bias Voltage ........................................................................................4-6
4.4 Saving/Recalling the Settings................................................................................4-7
4.5 Self-diagnosis........................................................................................................4-8
4.6 Adjusting the LCD backlight brightness .................................................................4-9
4.7 Checking Various Information..............................................................................4-10
4.7.1 Checking the Version....................................................................................4-10
4.7.2 Checking the Production Number .................................................................4-10
4.7.3 Checking USB related ID..............................................................................4-10
5. REMOTE CONTROL....................................................................................................5-1
5.1 Preparations Before Use .......................................................................................5-2
5.1.1 Remote Control Interface Selection................................................................5-2
5.1.2 Outline of USB................................................................................................5-3
5.1.2.1 Preparation of Controller............................................................................5-3
5.1.2.2 Preparation of CA5350...............................................................................5-3
5.1.2.3 USB Device Identification...........................................................................5-3
5.1.3 Outline of GPIB...............................................................................................5-4
5.1.3.1 Preparation of Controller............................................................................5-4
5.1.3.2 Preparation of CA5350...............................................................................5-4
5.1.3.3 Precautions on Use of GPIB ......................................................................5-4
5.1.3.4 Basic Specifications of GPIB......................................................................5-5
5.1.4 Precautions on Communication ......................................................................5-5
5.2 Switching between Remote State and Local State.................................................5-6
5.3 Response to Interface Message ............................................................................5-7
5.4 Service Request and Status Byte ..........................................................................5-8
5.4.1 Service Request .............................................................................................5-8
5.4.2 Status Byte .....................................................................................................5-8
5.5 Commands Explanation.........................................................................................5-9
5.6 Description of Individual Command .....................................................................5-11
5.7 Multiline Interface Messages ...............................................................................5-22
6. TROUBLESHOOTING..................................................................................................6-1
6.1 Error Messages .....................................................................................................6-2
6.1.1 Errors at Power "ON"......................................................................................6-2