VMIC VMIVME-4941 User manual

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VMIVME-4941

QUAD-CHANNEL RESOLVER-TO-DIGITAL

CONVERTER BOARD

INSTRUCTION MANUAL

DOCUMENT NO. 500-004941-000 N

Revised December 18, 1995

VME MICROSYSTEMS INTERNATIONAL CORPORATION

12090 SOUTH MEMORIAL PARKWAY

HUNTSVILLE, AL 35803-3308

(205) 880-0444

1-800-322-3616

FAX NO.: (205) 882-0859

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NOTICE

The information in this document has been carefully checked and is

believed to be entirely reliable. While all reasonable efforts to ensure accuracy

have been taken in the preparation of this manual, VMIC assumes no

responsibility resulting from omissions or errors in this manual, or from the use

of information contained herein.

VMIC reserves the right to make any changes, without notice, to this

or any of VMIC’s products to improve reliability, performance, function, or

design.

VMIC does not assume any liability arising out of the application or

use of any product or circuit described herein; nor does VMIC convey any

license under its patent rights or the rights of others.

For warranty and repair policies, refer to VMIC’s Standard Conditions

of Sale.

AMXbus, BITMODULE, COSMODULE, DMAbus, IOWorks, IOWorks

Access, IOWorks Foundation, MAGICWARE, MEGAMODULE, PLC

ACCELERATOR, QUICK-R-NET, Soft Logic Link, SRTbus, TESTCAL, “The Next

Generation PLC”, The PLC Connection, TURBOMODULE, UCLIO, UIOD, UPLC,

Visual IOWorks, Visual Soft Logic Control,

VMEaccess

VMEmanager

VMEmonitor

, VMEnet, VMEnet II,

VMEprobe

, and

WinUIOC

are trademarks of

VME Microsystems International Corporation. The VMIC logo, I/O man figure,

and UIOC are registered trademarks of VME Microsystems International

Corporation. Other registered trademarks are the property of their respective

owners.

VME Microsystems International Corporation

This document shall not be duplicated, nor its contents used for any

purpose, unless granted express written permission from VMIC.

VME Microsystems International Corporation

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DOC. NO. 500-004941-000 N

06/01/88

06/06/88

06/16/88

09/14/88

09/21/89

11/07/89

01/03/89

08/06/90

02/05/91

07/12/91

06/26/92

10/12/95

12/18/95

Release with Appendix A

Table of Contents, Sections 2, 3, 5, and 6

Table of Contents, Sections 2, 3, 4, and 5

Appendix A

Convert Manual to Microsoft

Cover, Pages ii, 2-6, and Appendix A

Cover, Page ii, and Appendix A

Cover, Pages ii, 2-6, 5-6, and Appendix A

Cover, Page ii, and Appendix A

Cover, Pages ii, v, vi, Sections 2 and 6,

and Appendix A

Cover, Pages ii, vi, and 4-2

Cover, Pages ii, 4-4, and 5-3 through 5-5

88-0026

88-0124

88-0134

88-0189

89-0096

89-0153

89-0166

90-0080

90-0233

91-0102

92-0218

95-0592

96-0004

RECORD OF REVISIONS

REVISION

LETTER DATE PAGES INVOLVED CHANGE NUMBER

VME MICROSYSTEMS INT'L CORP. PAGE NO.REV LTR

12090 South Memorial Parkway •

Huntsville, AL 35803-3308 (205) 880-0444 ii

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iii

VMIC

SAFETY SUMMARY

THE FOLLOWING GENERAL SAFETY PRECAUTIONS MUST BE OBSERVED DURING ALL

PHASES OF THE OPERATION, SERVICE, AND REPAIR OF THIS PRODUCT. FAILURE TO

COMPLY WITH THESE PRECAUTIONS OR WITH SPECIFIC WARNINGS ELSEWHERE IN THIS

MANUAL VIOLATES SAFETY STANDARDS OF DESIGN, MANUFACTURE, AND INTENDED USE

OF THIS PRODUCT. VME MICROSYSTEMS INTERNATIONAL CORPORATION ASSUMES NO

LIABILITY FOR THE CUSTOMER’S FAILURE TO COMPLY WITH THESE REQUIREMENTS.

GROUND THE SYSTEM

To minimize shock hazard, the chassis and system cabinet must be connected to an

electrical ground. A three-conductor AC power cable should be used. The power

cable must either be plugged into an approved three-contact electrical outlet or used

with a three-contact to two-contact adapter with the grounding wire (green) firmly

connected to an electrical ground (safety ground) at the power outlet.

DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE

Do not operate the system in the presence of flammable gases or fumes. Operation of

any electrical system in such an environment constitutes a definite safety hazard.

KEEP AWAY FROM LIVE CIRCUITS

Operating personnel must not remove product covers. Component replacement and

internal adjustments must be made by qualified maintenance personnel. Do not

replace components with power cable connected. Under certain conditions,

dangerous voltages may exist even with the power cable removed. To avoid injuries,

always disconnect power and discharge circuits before touching them.

DO NOT SERVICE OR ADJUST ALONE

Do not attempt internal service or adjustment unless another person, capable of

rendering first aid and resuscitation, is present.

DO NOT SUBSTITUTE PARTS OR MODIFY SYSTEM

Because of the danger of introducing additional hazards, do not install substitute parts

or perform any unauthorized modification to the product. Return the product to VME

Microsystems International Corporation for service and repair to ensure that safety

features are maintained.

DANGEROUS PROCEDURE WARNINGS

Warnings, such as the example below, precede only potentially dangerous

procedures throughout this manual. Instructions contained in the warnings must be

followed.

WARNING

DANGEROUS VOLTAGES, CAPABLE OF CAUSING DEATH, ARE PRESENT IN THIS SYSTEM.

USE EXTREME CAUTION WHEN HANDLING, TESTING, AND ADJUSTING.

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WARNING

***************

CAUTION

SAFETY SYMBOLS

GENERAL DEFINITIONS OF SAFETY SYMBOLS USED IN THIS MANUAL

NOTE:

Instruction manual symbol: the product is marked with this symbol when it

is necessary for the user to refer to the instruction manual in order to

protect against damage to the system.

Indicates dangerous voltage (terminals fed from the interior by voltage

exceeding 1000 volts are so marked).

Protective conductor terminal. For protection against electrical shock in

case of a fault. Used with field wiring terminals to indicate the terminal

which must be connected to ground before operating equipment.

Low-noise or noiseless, clean ground (earth) terminal. Used for a signal

common, as well as providing protection against electrical shock in case

of a fault. Before operating the equipment, terminal marked with this

symbol must be connected to ground in the manner described in the

installation (operation) manual.

Frame or chassis terminal. A connection to the frame (chassis) of the

equipment which normally includes all exposed metal structures.

Alternating current (power line).

Direct current (power line).

Alternating or direct current (power line).

The WARNING sign denotes a hazard. It calls attention to a procedure, a

practice, a condition, or the like, which, if not correctly performed or

adhered to, could result in injury or death to personnel.

The CAUTION sign denotes a hazard. It calls attention to an operating

procedure, a practice, a condition, or the like, which, if not correctly

performed or adhered to, could result in damage to or destruction of part

or all of the system.

The NOTE sign denotes important information. It calls attention to a

procedure, a practice, a condition, or the like, which is essential to

highlight.

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500-004941-000

VMIVME-4941

QUAD-CHANNEL RESOLVER TO DIGITAL

CONVERTER BOARD

TABLE OF CONTENTS

Page

SECTION 1. INTRODUCTION

1.1 INTRODUCTION...............................................................................1-1

1.2 FUNCTIONAL DESCRIPTION ..........................................................1-1

1.3 REFERENCE MATERIAL..................................................................1-2

SECTION 2. PHYSICAL DESCRIPTION AND SPECIFICATIONS

SECTION 3. THEORY OF OPERATION

3.1 BLOCK DIAGRAMS ..........................................................................3-1

3.2 GENERAL DESCRIPTION................................................................3-1

3.3 VMEbus FOUNDATION LOGIC ........................................................3-1

3.4 RESOLVER CONVERTER MODULES.............................................3-4

3.4.1 Introduction........................................................................................3-4

3.4.2 Digital Interface..................................................................................3-6

3.4.3 Solid State Differential Input Option...................................................3-6

3.4.4 Direct Input Option.............................................................................3-6

3.4.5 Logic Input/Output.............................................................................3-6

3.4.6 Dynamic Performance.......................................................................3-7

3.4.7 Built-in-Test (Internal to the Converter)..............................................3-7

3.5 BUILT-IN-TEST (ON-BOARD)...........................................................3-7

3.6 PITCH COUNTER OPERATION.......................................................3-8

SECTION 4. PROGRAMMING

4.1 REGISTER MAP................................................................................4-1

4.2 PITCH COUNTER(S)/REGISTER(S) ................................................4-1

4.3 RESOLVER-TO-DIGITAL CONVERTER DATA REGISTER.............4-1

4.4 CONTROL AND STATUS REGISTER (CSR) ...................................4-7

4.4.1 Built-in-Test Programming.................................................................4-8

4.4.2 Fail LED Control ................................................................................4-8

4.4.3 R/D Converter Resolution Control .....................................................4-8

4.4.4 R/D Converter Bandwidth Control .....................................................4-11

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500-004941-000

TABLE OF CONTENTS (Continued)

Page

SECTION 5. CONFIGURATION AND INSTALLATION

5.1 UNPACKING PROCEDURES...........................................................5-1

5.2 PHYSICAL INSTALLATION ..............................................................5-1

5.3 JUMPER AND SWITCH LOCATIONS...............................................5-1

5.4 ADDRESS MODIFIERS ....................................................................5-3

5.5 ADDRESS SELECTION SWITCHES................................................5-3

5.6 EXTERNAL POWER SELECTION....................................................5-3

5.7 REFERENCE VOLTAGE INPUTS.....................................................5-4

5.8 COUNTER DIRECTION JUMPERS..................................................5-6

5.9 JUMPERING FOR DIRECT vs DIFFERENTIAL SIGNAL INPUTS....5-6

5.9.1 Direct Input Option.............................................................................5-6

5.9.2 Differential Input Option.....................................................................5-6

5.10 Cabling Requirements.......................................................................5-9

SECTION 6. MAINTENANCE

6.1 MAINTENANCE.................................................................................6-1

6.2 MAINTENANCE PRINTS...................................................................6-1

LIST OF FIGURES

Figure Page

3.1-1 Functional Block Diagram..................................................................3-2

3.2-1 Input Configuration Software Control.................................................3-3

3.4.1-1 Resolver-to-Digital Converter Module Typical 1 of 4 .........................3-5

3.6-1 Pitch Counter Logic Functional Block Diagram..................................3-9

4.1-1 Register Map for Word Addressing....................................................4-5

4.1-2 Register Map for Longword Addressing ............................................4-6

5.3-1 Location of Jumpers and Switches....................................................5-2

5.5-1 Address Selection Switch Example (Address 0000) and Address

Modifier Switch Example (Short Supervisory Access).......................5-3

5.6-1 Jumper Installation to Select ±15 V Inputs via the P3 Connector......5-4

5.6-2 Jumper Installation to Select ±15 V Inputs via the P2 (Backplane)

Connector..........................................................................................5-4

5.7-1 Jumper Installation to Select the Reference Voltage Input at P3

for All Four Channels.........................................................................5-5

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500-004941-000

vii

TABLE OF CONTENTS (Concluded)

LIST OF FIGURES (Concluded)

Figure Page

5.7-2 Jumper Installation to Select a Single Reference Voltage Signal

from P2 (Pins C29 and C27) for All Four Channels...........................5-5

5.7-3 Jumper Installation to Select a Separate Reference Voltage

Signal for each Channel via the P2 Connector..................................5-6

5.9.1-1 Jumper Configuration for the Direct Signal Input Option (2 Volt),

this Configuration Connects S1 to S4 on Each Resolver Input

Channel.............................................................................................5-9

5.9.2-1 Jumper Installation to Select Single-Ended R/D Converter Inputs

(11.8 V Option Only), These Jumpers Connect a Ground to the S1

and S4 Inputs for All Four Channels..................................................5-9

5.10-1 Recommended Connection of Resolver Reference Voltage

and Signals........................................................................................5-10

LIST OF TABLES

Table Page

4.1-1 Address Register Map.......................................................................4-2

4.1-2 Address and Register Bit Definitions.................................................4-3

4.3-1 Resolver-to-Digital Converter Data Register and

Bit-Weight Table................................................................................4-7

4.4-1 CSR HI Byte Bit Map ($XX10)...........................................................4-9

4.4-2 CSR M-HI Byte Bit Map ($XX11).......................................................4-9

4.4-3 CSR M-LO Byte Bit Map ($XX12)......................................................4-9

4.4-4 CSR LO Byte Bit Map ($XX13)..........................................................4-9

4.4.1-1 CSR Relay Control Functions............................................................4-10

5.8-1 Jumper Installations for Counting Up When R/D

Data is Increasing..............................................................................5-7

5.8-2 Jumper Installations for Counting Down When R/D is Increasing .....5-8

5.10-1 P2 and P3 Connector Pinouts ...........................................................5-11

APPENDIX

A Assembly Drawing, Parts List, and Schematics

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500-004941-000

1-1

SECTION 1

INTRODUCTION

1.1 INTRODUCTION

The VMIVME-4941 is a VMEbus compatible Quad Channel Resolver-to-

Digital Converter Board. Its features include:

a. Quad R/D converters

b. Tracking rates up to 800 rps minimum (48,000 RPM)

c. Software programmable resolution (10-, 12-, 14- or 16-bit)

d. Software programmable bandwidth (530 Hz, 130 Hz)

e. 16 bit pitch counter per channel

f. 8, 16, or 32 bit data transfers

g. Reference frequency from 360 Hz (Lo Bandwidth) to 6 k Hz

h. Status indications for loss of signal and tracking error over 65 bits

i. Accuracy to ±2.3 ARC minutes available (optional)

j. Double Eurocard form factor

k. Built-in-test capability with loss of signal and level of error fail LEDs

1.2 FUNCTIONAL DESCRIPTION

The Quad Channel Resolver-to-Digital Converter Board consists of

VMEbus compatibility logic, four resolver-to-digital converters, four 16-bit pitch

counters, and logic to support fault isolation to the channel level using a resolver

test signal that must be supplied via the P2 backplane user I/O pins.

VMEbus compatibility logic controls data transfers to the on-board

registers allowing 8-, 16-, or 32-bit transfers. The compatibility logic also contains

address decoding enabling the board to be addressed within the short I/O address

space.

Four independent R/D converters provide the user with the capability to

convert four resolver input channels. The R/D converters feature programmable

resolution and bandwidth. The resolution selection provides the user with the

capability of programming 10, 12, 14, or 16 bits.

The resolver board is designed for use in modern, high performance

commercial and industrial control systems applications including motor control,

radar, antenna position information, CNC machine tooling, robot axis control, and

process control.

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Table of contents

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