Hinds Instruments PEM-CSC Manuale utente

PEM-CSC

PHOTOELASTIC MODULATOR

USER MANUAL

Hinds Instruments, Inc.

P/N: 010-0000-114 UM Rev B

THIS DOCUMENT IS PROVIDED “AS IS” WITH NO WARRANTIES

WHATSOEVER, INCLUDING ANY WARRANTY OF MERCHANTABILITY,

FITNESS FOR ANY PARTICULAR PURPOSE, OR ANY WARRANTY OTHERWISE

ARISING OUT OF ANY PROPOSAL, SPECIFICATION OR SAMPLE. All rights

reserved. No part of this publication may be reproduced, stored in a retrieval system,

or transmitted, in any form by any means, electronic, mechanical, by photocopying,

recording, or otherwise, without the prior written permission of Hinds Instruments,

Inc.

Information furnished by Hinds Instruments, Inc. is believed to be accurate and

reliable; however, no responsibility is assumed by Hinds Instruments, Inc. for its use;

nor for any infringements of patents or other rights of third parties which may result

from its use. No license is granted by implication or otherwise under any patent

rights of Hinds Instruments, Inc.

In all respects, the English version of this manual is controlling.

The PEM-CSC is covered by the following US patents: (1) 11,307,438, (2)

8,537,476, (3) 7,800,845, (4) 6,906,844

PEMLabs, Hinds Instruments and the Hinds Instruments, Inc. graphic logo are

trademarks of Hinds Instruments, Inc.

*Third-party brands and names are the property of their respective owners.

CAUTION!

DO NOT turn on your modulator

unless the optical head and the

electronic head are connected by

the head-to-head interconnect

cable.

SERIOUS DAMAGE MAY RESULT!

 
 
Table of Contents 
Table of Contents..........................................................................................................1 
Operators’ Safety Summary .........................................................................................3 
Terms.....................................................................................................................3 
PEM-CSC Controller Labels .................................................................................3 
DC Power Supply..................................................................................................3 
Do Not Operate Without Cover.............................................................................4 
Unpacking the PEM CSC ..............................................................................................5 
Shipping Damage Check ......................................................................................5 
Unpacking the PEM Optical Head........................................................................6 
Special Instructions for I/FS50 Optical Head.......................................................................6 
Special Instructions for Series II Optical Heads ..................................................................7 
Series II FS Optical Heads ..................................................................................................7 
Series II ZS50 & ZS42 Optical Heads.................................................................................8 
Series II ZS37 Optical Heads..............................................................................................9 
1 Introduction..............................................................................................................10 
Overview..............................................................................................................10 
2 PEM-CSC Controller.................................................................................................11 
PEM-CSC Controller Front Panel.......................................................................11 
PEM-CSC Controller Front Panel Buttons ........................................................................11 
PEM-CSC Controller Rear Panel ........................................................................12 
PEM-CSC Controller Rear Panel Connections .................................................................12 
3 Modulator Head Assembly ......................................................................................13 
Optical Head........................................................................................................13 
Model I/FS50, 60 Optical Head Dimensions .....................................................................13 
Model II/FS42, 47, 50 Optical Head Dimensions ..............................................................14 
Model II/FS50, 60 Optical Head Dimensions ....................................................................14 
Model II/ZS37, 42, 50 Optical Head Dimensions ..............................................................15 
Model II/FS74, 84 Optical Head Dimensions ....................................................................15 
Electronic Head...................................................................................................16 
4 Initial Set-Up.............................................................................................................17 
Connecting the PEM Optical and Electronic Heads..........................................17 
Optical Bench Set-up..........................................................................................20 
Functional Check...............................................................................................................20 
5 PEM Control Software..............................................................................................22 
Installation...........................................................................................................22 
Setup Running...................................................................................................................23 
Setup Complete.................................................................................................................23 
PEM CSC Control Software........................................................................................24 
6 Communication Protocol.........................................................................................31 
7 Troubleshooting.......................................................................................................36 
8 Maintenance .............................................................................................................37 
Calibration...........................................................................................................37 
Adjustment of Peak Retardation Calibration .....................................................................37 
Maintenance........................................................................................................37 
Cleaning...............................................................................................................38 

 
2 PEM CSC User Manual 
Recommended Optics Cleaning Solutions .......................................................................38 
Cleaning the Optics...........................................................................................................38 
A Calibration................................................................................................................41 
PEM CSC Calibration..........................................................................................41 
Calibration Theory..............................................................................................42 
Light Sources for Modulator Calibration...........................................................43 
Calibration Using an Oscilloscope....................................................................44 
Multiple Reflection Techniques .........................................................................47 
Static Waveplate Techniques.............................................................................47 
Bessel Function Zero Methods..........................................................................48 
Bessel Function Ratio Methods.........................................................................49 
Parallel Polarizer Calibration at a Single Wavelength......................................50 
B Specifications..........................................................................................................54 
General- Controller .............................................................................................54 
Parameter Specifications ...................................................................................54 
Input / Output Specifications .............................................................................54 
Environmental.....................................................................................................55 
C Optical Head Specifications ...................................................................................56 
D User Support Information.......................................................................................57 
PEM CSC Limited Warranty................................................................................57 
Exclusions.........................................................................................................................57 
Overview of the PEM CSC Help System............................................................58 
Return For Repair Procedure.............................................................................59 
Packaging .........................................................................................................................59 
Items To Include................................................................................................................59 
Shipping Arrangements.....................................................................................................59 
Return Shipping Address ..................................................................................................60 
Shipping Costs..................................................................................................................60 

Operators’ Safety Summary

The general safety information in this summary is for operators of the PEM CSC

Photoelastic Modulator System. Specific warnings and cautions may be found

throughout the manual where they apply, but may not appear in this summary.

Terms

WARNING statements identify conditions or practices that could result in personal

injury or loss of life.

CAUTION statements identify conditions or practices that could result in damage to

the equipment or other property.

NOTICE statements identify conditions or practices that are important in proper use

of the equipment to get the expected results.

PEM-CSC Controller Labels

The serial number, user safety warning, and CE certification labels are located on

the PEM-CSC Controller rear panel.

DC Power Supply

This product is intended to operate from a DC power supply at 48 VDC. The main

power input is 100 - 240VAC, 50/60 Hz, 1.4A. A protective ground connection by

way of the grounding connector in the power cord is required for safe operation.

Power line requirements are listed in the specifications section.

The power cord provided with this instrument is less than 3 meters in length.

Use only the power cord and connector specified for your product to work with your

local power outlets. Use only a power cord that is in good condition.

The appliance inlet or plug on cord should always be positioned to be accessible by

the operator. To disconnect all power from the instrument, pull the power cord from

the wall outlet or from the appliance inlet. See Operating Space below for detail.

4 PEM CSC User Manual

Do Not Operate Without Cover

To avoid personal injury, do not operate the PEM-CSC Controller without the cover.

Ensure the controller ventilation openings located on the top and bottom of the

enclosure are clear of any obstructions.

Unpacking the PEM CSC

Shipping Damage Check

Inspect all system components for obvious shipping damage. The PEM CSC is a

precision instrument that can be damaged by rough handling. Your unit was

packaged to minimize the possibility of damage in transit. Therefore, we

recommend that you save the specially designed shipping container for any future

shipment of your modulator unit. In particular, we recommend you save the internal

packing materials for the optical head.

In the event your order arrives in damaged condition, it is important that the following

steps be taken immediately. The title transfers automatically to you, the customer,

once the material is entrusted to the transport company.

1. DO NOT RETURN THE INSTRUMENT TO HINDS INSTRUMENTS, INC. until

the following steps are completed. Failure to follow this request will jeopardize

your claim with the insurance company.

2. If a “Shock Watch” is present on the outer shipping container or anywhere inside,

note the location and the condition of the shock watch. If the shipment receives

handling rough enough to trigger the shock watch, the watch will turn red.

3. Open the container and inspect the contents. Do not throw away the container or

any damaged parts. Try to keep all items in the same condition as originally

received.

4. Notify the Transport Company immediately in writing, preferably by facsimile or

email, about the shipping damage.

5. Wait for the transport company’s representative to inspect the shipment

personally.

6. After inspection, request Hinds Instruments’ permission to return the damaged

instrument by calling the service department at (503) 690-2000 or email to

[email protected]. A return authorization number (RMA) will be

assigned to you. See Overview of the PEM CSC Help System on page 58 for

further contact information.

7. Return approved items to Hinds Instruments Inc. at the following address:

Hinds Instruments, Inc.

7245 NE Evergreen Pkwy

Hillsboro, OR 97124-5850

8. After return permission is given and we receive the instrument, an estimate of the

cost of repair will be sent to you in the event you choose to submit a claim to the

transport company.

6 PEM CSC User Manual

Unpacking the PEM Optical Head

CAUTION

PLEASE USE CARE when unpacking the PEM optical head, for

this assembly is very fragile. Please follow the unpacking

instructions carefully. Unless this is done, the PEM system will

not operate and the optical head may be irreversibly damaged.

Special Instructions for I/FS50 Optical Head

The following unpacking instructions are for an I/FS50 PEM optical head.

Ensure the work surface is clean and free of dust

Using a #1 Phillips screwdriver, remove the shipping disk

The alternate side of the Optical Head is covered by tape to prevent dust and

other particles from entering the enclosure. This can be easily removed.

Unpacking I/FS50 Optical Head

Shipping Disk

Qty 4 screws

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