Flann Microwave SD5902 Manuale utente

SD5902 Waveguide Switch Driver

OPERATION AND MAINTENANCE

MANUAL

Version 1.3

June 2020

Flann Microwave SD5902 Waveguide Switch Driver

SD5902 Doc No ER15 Version 1.3 June 2020

Flann Microwave SD5902 Waveguide Switch Driver

SD5902 Doc No ER15 Version 1.3 June 2020

CONTENTS

GENERAL INFORMATION..................................................................................................................5

PRODUCT DESCRIPTION...........................................................................................................................5

SPECIFICATIONS ......................................................................................................................................6

System Performance...........................................................................................................................6

Power Requirements...........................................................................................................................6

Electrical Specifications.....................................................................................................................6

Mechanical Specifications..................................................................................................................6

Environmental Specifications.............................................................................................................6

INSTALLATION .....................................................................................................................................7

INTERCONNECTION OF SYSTEM COMPONENTS ........................................................................................7

CARE OF MICROWAVE FLANGES .............................................................................................................7

USB DRIVER INSTALLATION...................................................................................................................8

MANUAL OPERATION.......................................................................................................................10

FRONT PANEL DESCRIPTION..................................................................................................................10

MANUAL CONTROL...............................................................................................................................10

ERROR INDICATORS...............................................................................................................................10

TEMPERATURE WARNING .....................................................................................................................11

REMOTE OPERATION.......................................................................................................................12

COMPATIBILITY.....................................................................................................................................12

GPIB ADDRESS AND INSTRUMENT SETTINGS........................................................................................12

STATUS BYTE........................................................................................................................................13

REMOTE CONTROL COMMANDS............................................................................................................14

Command descriptions.....................................................................................................................14

Command Line Examples.................................................................................................................16

Data Message...................................................................................................................................16

Remote Command Summary.............................................................................................................17

MAINTENANCE AND SERVICE.......................................................................................................18

REGULATORY INFORMATION.......................................................................................................19

DECLARATION OF CONFORMITY............................................................................................................19

WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT (WEEE) REGULATIONS .......................................19

Flann Microwave SD5902 Waveguide Switch Driver

SD5902 Doc No ER15 Version 1.3 June 2020

WARRANTY

Flann warrants each product of its manufacture to be free from defects in material and workmanship.

Our obligation under this warranty is limited to servicing or adjusting any products returned to our

address for that purpose and to make good at our facility any part or parts thereof (transistors, integrated

circuits, batteries, diodes and displays) within one year after making delivery to the original purchaser

and which in our examination shall disclose to our satisfaction to have been thus defective. Such returns

must have prior authorization from Flann and must be returned as our detailed instructions with

transportation charges prepaid. Warranty returns or repairs must first be authorized by Flann. Flann does

not authorize any third party to assume for them any other liability in connection with the original sale

than the foregoing. Unauthorized tampering with sealed screws will invalidate the warranty and may

result in damage to the product.

DESIGN CHANGES

Flann reserves the right to make changes in the design of its products without reference and without

incurring any obligation to make the same alterations on products previously purchased.

FIRMWARE UPGRADES

Users will be able to upgrade to the latest version of the SD5902 firmware over the USB interface by

following the instructions given in the Flann Microwave Ltd. website.

SPECIFICATION CHANGES

Flann Microwave reserves the right to change any specification noted herein without prior notice.

REPAIRS

When wishing to return instruments for repairs, or for any other reason, please contact this Company for

shipping instructions. To expedite repair service, it is important to provide type number, serial number

and a detailed description of the reason, including all fault symptoms, for the return of the instrument.

Flann Microwave Instruments Ltd.,

Dunmere Road,

Bodmin, Tel: +44 (0) 1208 77777

Cornwall. Fax: +44 (0) 1208 76426

PL31 2QL, Email: [email protected]

ENGLAND. URL: www.flann.com

In USA, contact:

Flann Microwave Inc. Tel: (617) 621 7034

One Boston Place Fax: (617) 577 8234

Suite 2600 Email: mail@flann.com

Boston, Mass. MA 02108. URL: www.flann.com

Flann Microwave SD5902 Waveguide Switch Driver

SD5902 Doc No ER15 Version 1.3 June 2020

GENERAL INFORMATION

Product Description

The SD5902 Waveguide Switch Driver is designed to control and operate Flann Microwave’s range of

Series 333 Precision Waveguide Switches. It provides the interface between an IEEE 488 Bus (GPIB) or

Universal Serial Bus (USB) and Precision Waveguide Switches, and allows for manual operation with

display of current status. The SD5902 will drive either a 2 channel or a 3 channel switch without the need

to reconfigure.

Flann’s Precision Waveguide Switches offer unrivalled repeatability, high reliability and extremely long

service life, making them ideal for automated test and systems applications. They are four port devices and

are available with either a two- or three-channel rotor. (See Figure 1). They provide high R.F. isolation

between non coupled ports by means of an efficient choke design. Accurate channel to port alignment and

excellent repeatability are achieved by a light and positive rotor locating mechanism.

Switch Type Position 1 Position 2 Position 3 Position 4

3-Channel

(-3E)

P1 P3

2-Channel

(-2E)

P1 P3

Figure 1: Precision Waveguide Switch Rotor Positions

Series 333 switches, in conjunction with the SD5902, allow the user to choose between ‘Precision Mode’

and ‘Speed Mode’. There are two alternative rotor positions for each of the switch channel configurations,

spaced by 180°, that have identical waveguide paths. In Precision Mode, only one of these two alternative

rotor positions is used, ensuring optimum microwave path repeatability. In Speed Mode, switching time is

minimised by using all possible rotor positions.

All switches are supplied in the E plane configuration as standard.

The opto electronic position sensors provide either two or four signals depending upon the type of rotor (2

or 3 channel). The outputs of the sensors are TTL compatible, positive logic. The motor output shaft drives

the microwave switch rotor through a loose coupling, which is designed to allow the precision indexing

mechanism to operate correctly without excessive settling time. Full power is only applied to the motor

during switch repositioning.

The Model Number and Serial Number of the Waveguide Switch Driver will be found on the rear panel.

Similar information for the Microwave Switch will be found on the switch top cover. It is essential to quote

the model and serial numbers of both the Waveguide Switch Driver and the instruments connected to it

when contacting the manufacturer for service information.

Flann Microwave SD5902 Waveguide Switch Driver

SD5902 Doc No ER15 Version 1.3 June 2020

Specifications

System Performance

Max Switching Time (2 Channel) 180ms* (Speed Mode), 475ms* (Precision Mode – worst case)

(3 Channel) 250ms* (Speed Mode), 500ms* (Precision Mode – worst case)

*Note that the indicated switching times are measured from the initial command to the motor stopping, and

do not include the rotor settling time. Consult the Flann Microwave sales team for more details.

Power Requirements

This is a safety class 1 product (provided with a protective earth terminal). A non-interruptible safety

earth ground must be provided from the main power source to the Waveguide Switch Driver power

input terminals and power cord. Whenever the safety earth ground has been impaired, the

instrument must be made inoperative and secured against any unintended operation. If this

instrument is to be energised via an autotransformer (NOT RECOMMENDED) for voltage

reduction, make sure that the common terminal is connected to the earth pole of the power source.

Line Voltage 90 – 264 V AC

Line Frequency 47-63 Hz

Power Consumption 50W Max (Motor Running), 25W Max (Motor Stationary)

Supply Fuse 20mm T2.5A Slow Blow (On rear panel)

Electrical Specifications

GPIB Connector 24-Way, compatible with Amphenol 57 Series (IEEE488 Standard)

Switch Output Connector 15-Way D-Type Female

Switch Cable Length 5m Max

Motor Steps per Revolution 500

Mechanical Specifications

Operating Orientation Any

Dimensions (mm) 58H × 483W × 300D mm (2.28H × 19.0W × 11.8D inch)

Weight 2.15 kg (4.74 lb)

Direction of Rotation Unidirectional: Counter-clockwise when viewed from the top

Environmental Specifications

Operating Temperature Range 0 °C to +40 °C

Storage Temperature Range -20 °C to +60 °C

Humidity 90%, No condensation

Flann Microwave SD5902 Waveguide Switch Driver

SD5902 Doc No ER15 Version 1.3 June 2020

INSTALLATION

Interconnection of System Components

The SD5902 Waveguide Switch Driver may be connected to other GPIB instruments using standard

IEEE488 (GPIB) cables. Users should pay particular attention to the cable length limitations: total length

less than 20 m (60 ft), maximum 2 m between GPIB devices.

Waveguide Switches may be connected to the Waveguide Switch Driver via the 2 m (6ft) cables supplied.

Alternatively, any length of cable up to 5 m (16 ft) may be supplied on request or made up by the user.

Table 1 shows the wiring details for the 15-way D-type connector

Pin No. Function

1 Large Motor

2 Motor Phase 5

3 Motor Common

4 Motor Phase 1

5 Motor Phase 3

6 Motor Phase 2

7 Motor Phase 4

8 Logic 0v

9 LNT (Precision Mode)

10 Not Used

11 Logic +5v

12 Output 1 (P1-P2, P3-P4)

13 Output 2 (P1-P3)

14 Output 3 (P2-P3, P1-P4)

15 Output 4 (P2-P4)

Table 1: 15-way D-Type Connections

Use connectors with a casing that incorporates earth terminals and connect the cable screen at both ends to

ensure earthing integrity. Failure to do so may allow EMI radiation to exceed acceptable levels when

the motor is running.

NOTE: All pins, other than Pin 10, must be connected regardless of the type of switch in use.

Care of Microwave Flanges

The microwave flange surfaces require careful handling to ensure consistent results and long life. In

particular, avoid scratching, over-tightening the screws, or leaving the flange surfaces unprotected. Always

cover the flanges with the protective covers supplied with the switch to prevent ingress of dust, etc., when

not in use.

WARNING: Any grit or protrusions on flange surfaces will cause damage to the mating flange. Before

mating flanges, each surface should be cleaned with alcohol to remove any grease or particles which may

have accumulated, and inspected to ensure that the flange is undamaged. Ensure that debris from cleaning

materials is not deposited into the waveguide apertures during the cleaning process.

Do not, at any time, insert objects into the waveguide ports as the slightest damage to the inner

surfaces will impair the microwave performance of the switch.

Flann Microwave SD5902 Waveguide Switch Driver

SD5902 Doc No ER15 Version 1.3 June 2020

USB Driver Installation

If the switch driver is to be connected to a computer via the USB interface, the supplied driver must be

installed on the computer. The driver supplied is compatible with Windows 2000, XP, XP 64bit, Vista,

Vista 64bit, 7, 8, & 10. Windows XP installation is as follows:

1. Start up the computer and connect a USB

cable between the switch driver and

computer. Power up the switch driver. The

computer should identify the switch driver

and open the ‘Found New Hardware

Wizard’:

2. Select ‘No, not this time’ and press ‘Next’

4. Select ‘Install from a list or specific location

(Advanced)’.

5. Select ‘Include this location in the search’

and Browse for the SD5902.inf driver file on

CD. Then press ‘Next’.

6. The installer may warn about ‘Windows

Logo Testing’. The .inf installation file

supplied makes use of drivers which are a

part of Windows, so it is inherently

compatible with Windows. Press ‘Continue

Anyway’.

Flann Microwave SD5902 Waveguide Switch Driver

SD5902 Doc No ER15 Version 1.3 June 2020

7. When the installation is complete, the switch

driver will appear as a USB ‘COM’ port.

Windows may allocate any COM number to

the switch driver, but on most systems it will

be allocated COM7 or higher. It is possible

to verify which port has been allocated to the

switch driver by checking the Windows

Device Manager.

Firmware Upgrades

Users will be able to upgrade to the latest version of the SD5902 firmware over the USB interface by

following the instructions given in the Flann Microwave Ltd. website, www.flann.com .

A copy of the latest issue of this manual is also available for download.

Flann Microwave SD5902 Waveguide Switch Driver

SD5902 Doc No ER15 Version 1.3 June 2020

MANUAL OPERATION

Front Panel Description

The front panel is shown in Figure 2 below. At the far left is the power switch which is on (and

illuminated) when switched down.

There are two groups of switches and LEDs marked ‘Instrument A’ and ‘Instrument B’ and a group relating

to the IEEE488.2 (GPIB) interface

Figure 2: SD5902 Waveguide Switch Driver Front Panel Layout

Manual Control

Manual control of the microwave switch position is accomplished by selecting and pressing one of the four

push buttons of the appropriate channel. The actual position is indicated by the green LEDs above the

buttons.

Note that a position push button will be ignored if it is pressed in any of the following conditions:

1. While the REMOTE light is on. It is necessary to press the LOCAL push button first.

2. While the switch is repositioning.

3. The microwave switch is in the position corresponding to the push-button being pressed, and

Precision Mode has been selected. See below

At power on, it is possible that the microwave switch is between detent positions, and that, consequently,

none of the LED position indicators will light. If this is the case, press any one button, and the switch will

drive to the selected position.

There are two modes of operation - Precision Mode and Speed Mode. These are explained in detail in the

Product Description section on page 5. The instrument is shipped set to Precision Mode by default, and this

may be changed by holding down button ‘2’ in the Instrument ‘B’ group at power-up. Instructions for this

are given in the GPIB Address and Instrument Settings section on page 12.

In Speed Mode, if the switch is already at the requested position, the rotor will rotate through 180°.

In Precision Mode, the rotor would rotate through 360°, therefore the instruction is ignored, i.e. the

switch will not move.

If a pushbutton is pressed and then held in that position, it will not cause repetitive operation of the

microwave switch.

Error Indicators

If an ERROR indication is shown for a particular channel, it means that the switch driver has failed to carry

out an instruction successfully. The most likely causes of error indications are:

If a two channel switch has been asked to move to position 2 or position 4. These positions only

relate to three channel switches.

No switch is connected or the connections are not secure.

Indice

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