Kontron VMOD-2D User Manual

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VMOD-2/VMOD-2D

VModular Industrial I/O Module

for VMEbus Applications

Manual ID 03139, Rev. Index 0200 of 12/10/97

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Man. ID 03139, Rev. Index 0200

VMOD-2/VMOD-2D

Preface

Revision History ............................................................. 0-6

For Your Safety.............................................................. 0-5

Special Handling and Unpacking Instructions 0-5

HV Safety Instructions 0-6

Two Years Warranty ...................................................... 0-7

Table of Contents........................................................... 0-8

Warning!

The first index (PCB layout 00) of VMOD-2 was designed for improved noise immunity (via multi-layer shielding) and as such have insufficient clearance around the piggybacks I/O pins and the 50-way external interface connectors pins to ensure the 2.5kV breakdown isolation specified by certain piggybacks. Use index 01 or higher for such applications, or take additional measures to be taken to ensure syste m/user safety.

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EVISION HISTOR

Manual/Product Title:

VMOD-2/VMOD-2D

Manual ID Number:

03139

Rev.

Index

Brief Description of Changes

PCB Index

Date of

Issue

Revision History

0100 Initial Issue 01 01 Feb. 1992 0101 Changes to Address Range in 2.4 01 01 July 1994 0200 Standard Preface, New Numbering System 01 01 Dec. 1997

Preface

This document contains proprietary information of copied or transmitted by any means, passed to others, or stored in any retrieval system or media, without the prior consent of

The information in this document is, to the best of our knowledge, entirely correct. However,

PEP Modular Computers

thereof, nor for any liability arising from the use or application of any circuit, product, or example shown in this document.

PEP Modular Computers reserve the right to change, modify, or improve this document or the product described herein, as seen fit by

cannot accept liability for any inaccuracies, or the consequences

PEP Modular Computers

or its authorized agents.

without further notice.

. It may not be

12/10/97

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Preface

For your safety

PEP

This can be drastically reduced by improper treatment during unpacking and installation. Therefore, in the interest of your own safety and of correct operation of your new PEP product, please take care of the following guidelines:

product is carefully designed for a long, fault-free life. However, its life expectancy

Before installing your new



power mains. This applies also to installing piggybacks. In order to maintain



in any way. Changes or mo difications to the device, which are not explicitly approved by

PEP Modular Computers

Support as a special handling instruction, will voi d your warranty. This device should only be installed in or connected to systems that fulfill all necessary



technical and specific environmental requirements. This applies also to the operational temperature range of the specific board version, which must not be exceeded. If batteries are present, their temperature re strictions must be taken into account.

In performing all necessary installation and application operations, please, follow only



the instructions supplied by the present manual. Keep all the original packaging material for future storage or warranty shipments. If it is



necessary to store or ship the board, please, re-pack it in the original way.

PEP’s

PEP

product into a system, please, always switch off your

product warranty, please, do not alter or modify this product

and described in this manual or received from

PEP

Technical

Special Handling and Unpacking Instructions

Electronic boards are sensitive to static electricity. Therefore, care must be taken during all handling operations and inspections wi th this produ ct, in order to ensure pro duct integrit y at all times.

Do not handle this product out of its protective enclosure while it is not being worked



with, or unless it is otherwise protected. Whenever possible, unpack or pack this product only at EOS/ESD safe work stations.



Where safe work stations are not guaranteed, it is important for the user to be electri-



cally discharged before touching the product with his/her hands or tools. This is most easily done by touching a metal part of your system housing.

Particularly, observe standard anti-static precautions when changing piggybacks, ROM



devices, jumper settings etc. If the product contains batteries for RTC or memory backup, ensure that the board is not placed on conductive surfaces, including anti-static plastics or sponges. They can cause short circuits and damage the batteries or tracks on the board.

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Safety Instructions for High Voltages

This chapter of the safety instructions appli e s to HV appli ances (> 60 V) only.

Preface

Your new to ensure the reknown electrical safety requirements. However, serious electrical shock hazards exist during all installation, repair and maintenance operations with this product. Therefore, always unplug the power cable to avoid exposure to hazardous voltage.

All operations on this device have to be carried out by sufficiently skilled personnel only.

PEP

product was developed and tested carefully to provide all features necessary

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Two Years Warranty

Preface

PEP Modular Computers

HARDWARE

be granted or implied by anyone on behalf of expressed written consent of

PEP Modular Computers

manufacturing and material defects for a period of 24 consecutive months from the date of purchase. This warranty is not transferable nor extendible to cover any other users or longterm storage of the product. It does not cover products which have been modified, altered or repaired by any other party than more, any product which has been, or is suspected of being damaged as a result of negligence, unproper use, incorrect handling, servicing or maintenance, or which has been damaged as a result of excessive current/voltage or temperature, orwhich has had its serial number(s), any other markings or parts thereof altered, defaced or removed will also be excluded from this warranty.

If the customer’s eligibility for warranty has not been voided, in case of any claim, he may return the product at the earliest possible convenience to the original place of purchase, together with a copy of the original document of purchase, a full description of the application the product is used on and a description of the defect. Pack the product in such a way as to ensure safe transportation (see our safety instructions).

PEP

provides for repair or replacement of any part, assembly or sub-assembly at their own discretion, or to refund the original cost of purchase, if appropriate. In the event of repair, refunding or replacement of any part, the ownership of the removed or replaced parts reverts

PEP Modular Computers

to guarantee to cover the repaired or replaced items, will be transferred to cover the new or repaired items. Any extensions to the original guarantee are considered gestures of goodwill, and will be defined in the “Repair Report” issued by

WARRANTY

grants the original purchaser of

as described in the following. However, no other warranties that may

PEP

PEP Modular Computers

warrants their own products, excluding software, to be exempt of

PEP Modular Computers

, and the remaining part of the original guarantee, or any new

PEP

products a

are valid unless the consumer has the

or their authorized agents. Further-

PEP

with the repaired or replaced item.

TWO YEARS LIMITED

PEP Modular Computers

rectly from any warranty claim, other than the above specified repair, replacement or refunding. Particularly, all claims for damage to any system or process in which the product was employed, or any loss incurred as a result of the produc t not functi oning at any given time, are excluded. The extent of original purchase price of the item for which the claim exist.

PEP Modular Computers

respect to its products, reliability, fitness, quality, marketability or ability to fulfil any particular application or purpose. As a result, the products are sold “as is,” and the responsibility to ensure their suitabilit y for an y given t ask r emain s of the purch aser. I n no eve nt wil l ble for direct, indirect or consequential damages resulting from the use of our hardware or software products, or documentation, even if PEP were advised of the possibility of such claims prior to the purchase of the product or during any period since the date of its purchase.

Please remember that no make any modification or addition to the abovespecified terms, either verbally or in any other form written or electronically trans mitted, without the company’s consent.

will not accept liability for any further claims resulting directly or indi-

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issues no warranty or representation, either explicit or implicit, with

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liability to the customer shall not exceed the

PEP

be lia-

employee, dealer or agent i s author ize d to

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Chapter

1. Introduction...............................................................1-1

1.1 Product Overview................................................. 1-1

Preface

1.2 Orderin

1.3 Glossary of Terms................................................ 1-2

1.4 Hazards................................................................ 1-2

1.5 VMOD-2 Specifications........................................ 1-3

1.6 VMOD-2 Board Overview .................................... 1-4

1.7 Advanta PepCard 1-5

1.8 Functional Block Dia

1.9 Related Publications ............................................ 1-7

1.10Pi

Information............................................ 1-1

es and Features of the VMOD-2

ram ................................... 1-6

yback Selection Assistance.......................... 1-7

Chapter

2. Functional Description..............................................2-1

2.1 VMOD-2 Address Map......................................... 2-1

2.2 VMEbus Interrupts ............................................... 2-3

2.3 External "Local" Reset Input .............................. 2-5

2.4 ID Byte ................................................................. 2-8

2.5 VMOD/VMOD-2 Connector Location s and

Pin-Outs............................................................... 2-9

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Preface

Chapter

3. Configuration............................................................3-1

3.1 Jumper Location s and Functions......................... 3-1

3.2 Fittin

Chapter

4. Installation .............. .. ... ................ ... ................. .. .......4-1

4.1 VMEbus Connection............. .. .. ........................... 4-1

4.2 Installin

4.2 IChronolo

4.4 Connectin

Piggybacks...... .. ... ................. .. ................. . 3-7

the VMOD-2.......................................... 4-1

ical Installation Procedure.................. 4-2

the External Devices......................... 4-3

4.5 Front Panel Functions.......................................... 4-4

4.6 Trouble-shootin

VMEbus System.................................................. 4-5

4.7 General Remarks on the Use of Your System..... 4-6

for VMOD-2/VMOD and

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Preface

Annex

System Configuration Record........................................ A-1

Annex

VMOD-2 Board Layout................................................... B-1

Annex

VMOD-2 Schematics ..................................................... C-1

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VMOD-2/VMOD-2D

Product Overview

1.1 Product Overview.................................................................. 1-1

1.2 Ordering Information............................................................ .. 1-1

1.3 Glossary of Terms................................................................. 1-2

1.4 Hazards................................................................................. 1-2

1.5 VMOD-2 Specifications......................................................... 1-3

1.6 VMOD-2 Board Overview...................................................... 1-4

1.7 Advantages and Features of the VMOD-2 PepCard............. 1-5

Chapter

1.7.1 Features of the VMOD-2 Module.................................. 1-5

1.7 Advantages and Features of the VMOD-2 PepCard............. 1-5

1.8 Functional Block Diagram ..................................................... 1-6

1.9 Related Publications.............................................................. 1-7

1.10 Piggyback Selection Assistance............................................ 1-7

1.10.1 VMOD/VMOD-2 Piggybacks Overview........................ 1-8

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Page 1 - 1Man. ID 03139, Rev. Index 0200

VMOD-2/VMOD-2D

Product

Description

Order No.

Product Overview

1. Introduction

1.1 Product Overview

VMOD-2 is a "User Configurable" Industrial I/O module with the ability to fit any two (identical or different) standard sized VMOD piggybacks. Each fitted piggyback shares half of the front panel's 50-way connector allowing a flat-ribbon cable to be easily routed to either one or two end devices. The VMOD-2 may not only be used with all existing (VMOD) piggybacks, but will also accept the future generation of enhanced piggybacks, which may use the additional signal lines only provided on the VMOD-2.

Upgrade paths/Compatibility. The original VMOD is no longer available and if ordered will automatically be replaced with the new VMOD-2. The VMOD-2 can be used as a direct replacement for any application using an older style VMOD. Full electro-mechanical compatibility (and acceptance of the existing piggyback int erfaces) is guaranteed.

The VMOD-2 may be used as a direct replacement for an y existing VMOD and will accept the fitted piggybacks from that existing VMOD without any modification. (See also special note below)

A VMOD may be used in place of the new VMOD-2 with the loss of some new features, and then only with piggybacks developed up to the end of 1990. Any enhanced piggybacks which need additional signals from the VMOD-2 will not work on the old VMOD. To identify which piggybacks are only suit able f or use on the VMOD-2 loo k for a f our digit o rder number suc h as the PB-BIT has. i.e. 5230-11. Any and all piggybacks with three digit numbers 523-xx, will function with both VMOD and VMOD-2 modules alike.

1.2 Ordering Information

Table 1-1: VMOD-2 Ordering Information

VMOD-2 VMEbus industrial I/O interface module with

latching 50 pin front panel connector, but without the additional on-board 50 pin header.

VMOD-2 VMEbus industrial I/O interface module with

the 50 pin flat ribbon on-board header only. (the 50-pin front panel connector is omitted)

5230-0

5230-1

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Special Note! Caution!

VMOD-2 boards with an index 00 offe r increased inter-board shielding by using tight-routed ground and V cc planes in their multi-layer layout. This will compromise the 2.5 kV breakdow n isolation offered by many VMODpiggybacks. If the 2.5 kV fault isolation is important for the application,

Page 1 - 2Man. ID 03139, Rev. Index 0200

VMOD-2/VMOD-2D

AB#

PBx

PCB

PSU

please use a VMOD-2 with a board index of 01 upwards since this will have an increased galvanic isolation gap around the 50-way external interface and 26-way piggyback I/O pin areas.

Product Overview

1.3 Glossary of Terms

This is a brief description of some of the abbreviations used throughout this manual.

Table 1-2: Abbreviations

Address Block number (used in some tables in this manual to signify a 256 byte wide address block chosen out of a maximu m permis sible 32 ad dresse s)

Piggyback (where x is the location "A" or "B") Printed Circuit Board Power Supply Unit

1.4 Hazards

The VMOD-2 can be fitted with one or two piggybacks carrying voltages classed as dangerous (i.e. over 50V dc). These are usually powered by external devices and therefore are not powered subject to the status of the VMEbus systems power switch. This can result in a VMOD/VMOD-2 being removed from a powered-down rack with an external device still connected and presenting its voltage to the solder-side of both the VMOD/VMOD-2 and the back of the respective piggyback. A typical example is the PB-REL an eight relay SPST switching module, which can in certain circumstances present an unsuspecting user with up to 175V dc when pulling out (or installing) a VMOD-2 with the external powered interface leads connected. (For continued fault isolation to 2. 5 kV use a VMOD-2 of index 01 or higher).

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VMOD-2/VMOD-2D

Figure 1-1: VMOD-2 Hazard Example (PB-REL)

Product Overview

26-pin

ST 2

Connector

8 x SPDT

Relays

GAL &

Interface

Logic ICs

This end towards

front of VMOD

Caution!

enclosed area

carries your

externally

connected

voltages and

may present

shock hazar d

Caution!

When using Piggybacks w ith external interfaces or supplies carrying Voltages higher than 50V dc ensure that the solder pins on the rear side of the PB-xxx and the VMOD to which it fits, are not acc essible (cannot be accidently touched) during use. These pins can be under power all the time the external interfaces are connected, when powered,

even when VMOD-2/VMEbus is no t powered!

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VMOD-2/VMOD-2D

VMOD-2

Specification

1.5 VMOD-2 Specifications

Table 1-3: VMOD-2 Specifications

External Interface 50-way flat band cable connector (upper half and

VMEbus Interface A24:D8/16, A16:D8/16 Slave

VME Address Range Occupies 256 Bytes or 8 KBytes, A1....A11 to each

Interrupt Requester Single-level , IRQ 1-7. Jumper selectable. Two

Product Overview

lower half used by respective piggyback position) only accessible via the addition of VMOD/VMOD-2 piggyback (s) to the desired interface standard

piggyback. Base Address jumper selectable.

lines for interrupt request, one per Piggyback. Interrupt vector generated by piggybacks, or by jumper settings on VMOD-2.

External Reset Inputs Pins 25 and 26 of front-panel connector may be

used to connect a NC (Normally clo sed) push- button reset switc h, or fo r the crea tion of an "Emergency-Stop" loop, or for automatic detection of disconnection of interface. This facility may be disabled via jumper setting.

Power Requirements +5V DC (±5%), 140 mA, excluding additional piggy-

backs demands

Temperature Range

- Operating

- Storage Operating Humidity 5 - 95% (non-condensing) Board Size Single-height Eurocar d 100 x 160 mm (4 x 61/4 ") VMOD to Piggyback

Connectors (VME side)

- 0° to +70°C (standard)

- -40° to +85°C (extended, subject to fitted piggy back/-s)

- -55° to +85°C

A triple-row (to/from VMOD's VME side) per pigg yback location. Providing Address, Data and necessary control line interfaces to selected PB type(s) fitted.

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VMOD-2/VMOD-2D

VMOD-2

Specification

Table 1-3: VMOD-2 Specifications

Product Overview

VMOD to Piggyback Connectors (User side)

VMEbus Connecto r DIN 41612 style C, 96-p in Front Panel Width 4 TE (20.3 mm)(1 slot) Front Panel Connec -

tor

Piggybacks General See respective piggyback's manual for exact speci-

Piggyback Size Width: 48 mm(1 7/8 inches)

A double-row (to/from user I/O side) set of connectors per piggyback location. These connectors are galvanically isolated for 2.5 kV (not on index 00 however) from the rest of the VMOD-2 circuits and are selected to their respective function according to actual piggyback(s) fitted.

50-pin male ribb on cable header with ret ain/ejec t latches. Alternatively, no front connector, but a 50pin on-board header (without retain/eject latches where interfaces are to be kept internal to rack/ equipment.

fications.

Length: 100 mm(3 15/16 inches) Depth: 12 mm (1/2 inch)

Mechanical/Electrical Interface

Temperature Range:

- Operatin g

- Storage

Held by either Two sets of twin row header pins, or a triple-row and double-row set of headers, providing all necessary communication paths and a mechanical mounting method.

- 0° to +70° C (standard)

- -40° to +85° (extended, for some piggybacks)

- typically -55° to +85°C

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VMOD-2/VMOD-2D

1.6 VMOD-2 Board Overview

Figure 1-2: VMOD-2 Board Overview

Product Overview

Loc al Rese t

Enable/Disable

Jum pe r (B20)

50-way front

panel connecto r

— or —

26-way, 2-row

pig gyback s oc ket

Pig gyback A

Up per Loc a ti on

on VM O D -2

Pig gyback B

Lower Location

on VM O D -2

50 -way on-

boar d h eade r

VM Ebu s interface

logic in S MD device s

30/45-wa y 2/3-row

pig gyback s oc ket

Jum pers

B01

B19

96-way VME bus

c onn ec tor (P1, J1)

The VMOD-2 is a simple low-cost product designed for maximum flexibility while keeping the single-height, single-slot modular concept of the PepCard. To ensure user/system security against fault conditions is maintained with and when using opto-isolated piggybacks, the VMOD-2 has a large area of unpopulated board space under the front half of both piggyback locations. This unused area is part of the VMOD-2's Galvanic isolation (see special note on page 1-1) and no additional wiring should be routed to/from component s in the rear-most area of the VMOD-2 and the component groups (connectors) at the front of the VMOD-2. A "localReset" logic line is however routed to the three-p in j umper near the 50- pin fr ont pane l conne ctor, but this follows distancing and opto-isolation rules to ensure that the galvanic capability of the opto-isolated piggybacks is not compromised.

The VMOD-2 is shown above with both the 50-way front panel connector and the 50-way onboard header. It can only be ordered with one or the other. Further the VMOD-2 is shown with the two piggyback locations occupied, which is how the majority of users employ their VMOD's, but is delivered without any piggybacks, these items being added to the above illustration to help see where the connectors and piggybacks are to be found /used.

Each of the two piggybacks are fitted so their 26-way connector pins fit into the correspondi ng 26-way socket-holes provided for each piggyback location. The rear connectors pins will then fit into the correct rows of the 30/45-way sockets regardless of whether the piggyback has a 30-pin or 15-pin connector.

All the jumpers, with the exception of B20 (local reset), are to be found at the back end of the VMOD-2 in several small groups. Jumper B01 is an "L" shaped group of three-pins nearest the top edge of the board, and the rest are consecutively numbered progressing down the VMOD-2 until the last (Jumper B19) is reached nearest the bottom of the board. The function

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Page 1 - 7Man. ID 03139, Rev. Index 0200

VMOD-2/VMOD-2D

of these jumpers, and a detailed illustration of their locations and pin-numbering, are to be found in chapter 3 of this manual.

The remaining components on this simple low-cost industrial base board are in CMOS SMD logic and GALs to ensure reduced power consumption/thermal generation over it's predecessor.

Product Overview

1.7 Advantages and Features of the VMOD-2 PepCard

The VMOD-2 is an improved version of the original VMOD, which was designed with a major objective in mind: to provide a low cost and easy to implement user configurable I/O interface for industrial interface applications and/or space-savings in many different customer applications.

This result is a maximized choice of design flexibility. The VMOD-2 provides a very costeffective solution, with quick and easy implementat ion, and fu ll compatibil ity with the ex tensive range of existing VMOD-piggybacks and the ability to accept the planed "enhanced" piggybacks of the second generation.

With the flexibility offered by the VMOD-2 and the exi sting range of indust rial I/O modules, you are able to configure many complex and usually very intense interfaces, in a very quick and compact way. This may be especially important when needing to add interfaces to an already existing system, or where when using other products several additional slots or a larger rack/ sub-frames or additional power supplies/cooling, were needed/used with their financial overhead.

Now with the VMOD-2 you may replace several of these existing cards, or external interface boxes, with a single VMOD-2, fitted with two piggybacks containing the desired interfaces, and also offering the added feature of a local res et input.

1.7.1Features of the VMOD-2 Module

Features of the VMOD-2 are:

* Widest possible range of base address selection to allow up to thirty-two VMOD-2's to

be used in any one system. (Prev iou sly onl y eight origi nal VMOD's coul d be fi tt ed due to

their fixed base addresses). * Each piggyback location now supports 11 address lines. (A1...A11 to each piggyback). * Each piggyback location now has 8/16-bit Databus lines. (D0..D15 to each piggyback). * Galvanic Isolation between each interface and to the VMOD-2's VMEbus circuitry

depending upon the piggybacks fitted. * External Reset facility, can be used to cause "local-reset" of the VMOD-2's piggybacks. * Two Individually configurable piggyback locations, with board ID byte for remote (soft-

ware) configuration identity checking. * Compact size, VMOD-2 plus two piggybacks containing your chosen interface circuitry,

are all contained within standard single-height, single-slot PepCard dimensions. Choice

of interface connector options, so where needed the connection method can be kept

internal, i.e. via a 50-pin on-board connector. * Easy maintenance (i.e. swap-and-test, reduce service down-time)

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Page 1 - 8Man. ID 03139, Rev. Index 0200

VMOD-2/VMOD-2D

Hardware Features:

* Full electro/mechanical compatibility with the existing VMOD piggybacks and with the

very latest VMOD-2 enhanced piggybacks. * All necessary VMEbus lines are made available to each of the piggybacks. * 2.5 kV Galvanic VME to external isolation (not on index 00 boards), and PB to PB inter-

faces supporting opto-isolated piggybacks and the opto-isolated external "local" reset

input circuits. * Extended temperature ver sions of bot h the VMOD-2 and many of the currentl y availab le

piggybacks, allowing combinations suitable for harsh industrial environments to be con-

figured.

Product Overview

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Page 1 - 9Man. ID 03139, Rev. Index 0200

VMOD-2/VMOD-2D

1.8 Functional Block Diagram of the VMOD-2

Figure 1-3: Functional Block Diagram

50-way E xternal Interface(s)

Pi ns

25 & 26

Piggyback

F itte d

Acco rdin g

Type

Use r

I/O

Disable Jumper

In put Log ic &

Pins 27...50 for Upper Piggyback Pins 01...24 for Low er Piggyback

Extern a l Rese t

Product Overview

Piggyback

F itte d

Acco rdi ng

Type

Use r

I/O

Must be ord ered

an d fitted

UDTACK1

INTA1

CS1

INT 1

Local/PB

Control

Logic

(Lower Location)

Op ti on a l Ex tra

IDS 0 / ID S1

IAS

Control

Piggyback "B"

PB I. D . dat a

ID 0...15

IA 1...11

RESET

CLK

Address

Data

In terrupt Control

IRQ* Driver

Logic and

VMEbus

Local Reset

I/O Control

Logic

Must be ord ered

an d fitted

UDTACK0

INTA0

INT 0

CS0

Dec odi ng and

P iggyba ck Select

Address

(Upper Location)

Op ti on a l Ex tra

IDS 0 / ID S1

IAS

Piggyback "A"

ID 0...15

PB I. D . dat a

IA 1...11

RESET

CLK

Driver

Data Latch

Data

12/15/97

Including...

IACK*

DS1*

IRQ1*. . .7*

IA CKOUT*

LWORD*

IACKIN*

AM0...5

SYSRESET*

WRITE*

DS0*

AS*

Co ntro l

SYSCLK*

96-way VMEbus Interface Conne ctor

Ad d ress

Data

A24/A16: D16/D8

Sla ve VM Ebus

Interface

Page 1 - 10Man. ID 03139, Rev. Index 0200

VMOD-2/VMOD-2D

Product Overview

1.9 Related Publications

For more information regarding the VMEbus, please refer to:

* The VMEbus Specification, Revision C.1.

For details regarding the VMOD-piggybacks (or VMOD-2-piggybacks) , please refer to the respective products User's Manual.

1.10Piggyback Selection Assistance

As there are so many different types of piggyback available for the VMOD-2, and many offer different options such as common ground or Vcc for their inputs, etc. the following selection help chart has been provided. It may be used in conjunction with the piggyback overview table on the next page. The prototyping piggyback is not shown in this figure.

All grey edged "coins" are decisions or group titles, all black edged coins are actual product names and order numbers.

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Page 1 - 11Man. ID 03139, Rev. Index 0200

VMOD-2/VMOD-2D

Figure 1-4: Piggyback Selection Chart

PB-DAC

fo r 0 -10 V

523-11

PB-DAC

fo r 0 - 8 . 1 92 V

523-11/1

PB-DAC2

for 4-20 mA

523-17

PB-DAC2

for 0-20 mA

523-17/1

ADC for

Voltage

523-28

Product Overview

ADC for

Curren t

523-28/1

8 x SPDT

8 Re lays

PB -R EL 523-26

PB-STP

523-22/ 1

12V

PB-STP

523-22/ 2

24V PB-STP 523-22

PB- CI O 20ch.

Change of State

523-19

PB- CI O 18ch.

Change of State

523-19/1

PB-DIN

for 5V (TT L )

523-14

PB- D IN2

for 12V-60V dc

523-24

DAC for Voltage

Stepper Moto r

Control

Change of

Stat e

Digi tal In

D to A

Converter

Industr ial

Control and

Swit c hing

In put

Counter

input

DAC2 for

Curren t

VMOD-2 piggyback

location (one of t wo) for

which an appropriate

Piggyback is sought

Analog

Digital

Output

PB-DOUT

for 5 -80V dc

523-25

A to D

Converter

Communications

I/O

(Select Volt age)

5V dc (TTL)

PB-DIO

CVcc in/CG ou t

523-13/ 1

PB-DIO2 for Cmn

Vcc In

PB -B IT

at 12 MHz

523 0 -1 1

PB -S IO4

non-isolated

523-15

Select

common mo d e

24V dc

BITBUS™ Cont roller

Serial I/O

4 x RS232C

5 - 80V dc

PB-DIO3 for Cmn

Gnd In

PB -B IT

at 16.67 MHz

5230-11/1

PB -S IO4

opt o-is o late d

523-15/1

PB- D IO4

C.G in /OCCE

523-27

PB-CNT

for 5V inputs

523-12/ 1

PB-CNT

fo r 1 2 V in pu t s

523-12/ 2

PB-CNT

fo r 1 5 V in pu t s

523-12/ 3

PB-CNT

fo r 2 4 V in pu t s

523-12

PB- D IO2

for Cmn Gnd out

523-16

PB- D IO2

fo r C mn Vc c o u t

523-16/ 1

PB- D IO3

for Cmn Gnd out

523-23

PB- D IO3

fo r C mn Vc c o u t

523-23/ 1

1.10.1VMOD/VMOD-2 Piggybacks Overview

Your VMOD-2 can accept any two piggybacks from those listed in the following table. Some of the piggybacks have several different versions to allow their precise adaptation to your target application. i.e. The PB-DIO2 is av ailabl e with i t's outpu ts in a common gr ound o r common Vcc mode. The differences are sh own by ital ics, braces and bracket s showing what char acte r-

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VMOD-2/VMOD-2D

PB-Name

Brief

Description

Ch. @ V In

Ch. @ V

Out

Order #

istic is different in each order number type. The body text (normal) applies to all versions of that piggyback type.

Table 1-4: Piggyback Overview

Product Overview

PB-DIO 20 Ch. Digi-

tal I/O with 68230 and 24-bit timer

PB-DIO2 20 Ch. Digi-

tal I/O with 68230 and 24-bit timer

PB-DIO3 20 Ch. Digi-

tal I/O with 68230 and 24-bit timer

PB-DIO4 16 Ch. High

Voltage Digital I/O

PB-DIN 20 Ch. Digi-

tal Input 68230 and 24-bit timer

10 ch. at 5V /10mA opto, Cmn Vcc

10 ch. 24V / 5mA opto, Cmn Vcc

10 ch. 24V / 5mA opto, Cmn Gnd

8 ch.12 to 80V / 5mA opto CG in pairs

20 ch. 24V (5V) 10mA opto CV

10 ch. at 5V/ 10mA opto, Cmn Ground

10 ch. 24V/ 100mA opto, CG (CV)

8 ch 5 to 80V/500mA opto OC CE in pairs

- 523-14

523-13/1

523-16 (523-16/1)

523-23 (523-23/1)

523-27

(523-14/1)

PB-DIN2 1 2 Ch. Hi-V

Digital Input

PB-DOUT 12 Ch. High

Voltage Digital Output

PB-CIO 20 Ch.

"Change of State" Z8536 Inputs

12 individual ch.s 12 to 60V 5mA

- 12 individ-

20 (18) CV ch.s opto 24V/7.5mA

-523-24

ual ch.s 5 to 80V/500mA

(2 independant ch. 24V/5mA opto)

523-25

523-19 (523-19/1)

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VMOD-2/VMOD-2D

PB-Name

Brief

Description

Ch. @ V In

Ch. @ V

Out

Order #

Table 1-4: Piggyback Overview

Product Overview

PB-CNT 2x32-bit or

4x16-bit Counter, @ 500 kHz max. input speeds.

PB-SIO4 Quad Serial

I/O 68681 RS232 + RTS and CTS

PB-STP Single Axis

multi-mode Stepper Motor Controller.

PB-REL Eight SPDT

Relays

2/4 opto-isolated counter inputs, 24V/ 5mA (5V/ 10mA) [12V] {15V}

4 x RS232, non-opto (optoisolated)

6 control lines @ 24V (5V ) [12V ] / 11mA optoisolated

- 8 x galv.-

- 523-12

10 lines / 1 Axis 24V (5V) [12V] 8mA optoisolated

isolated

(523-12/1) [523-12/2] {523-12/3}

523-15 (523-15/1)

523-22 (523-22/1) [523-22/2]

523-26

PB-DAC 4 ch 12-bit D

to A Converter (10µs )

PB-DAC2 4 ch 12-bit D

to A Converter (10µs )

PB-ADC 4 ch 12-bit D

to A Converter (10µs )

PB-ADC-2 8 ch 10-bit A

to D Converter (16µs)

-4ch. 010V±10V (0-

8.192V±8.1 92V)

- 4ch. 4-20 mA (0-20 mA)

8 ch. 010V±10V

8 ch. 0-20 mA

- 523-28

523-11 (523-11/1)

523-17 (523-17/1)

523-28/1

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VMOD-2/VMOD-2D

PB-Name

Brief

Description

Ch. @ V In

Ch. @ V

Out

Order #

Table 1-4: Piggyback Overview

Product Overview

PB-BIT BITBUS™

Communications Controller

PB-PRM Prototyping User definable I/O accord-

CG = Common Ground, CV = Common Vcc, opto = optoisolated, and OC CE = open colector-common emitter.

* = PB-BIT is not suited for use with the original VMOD. BITBUS is a registered trademark of the Intel corporation.

80C152A. 12 (16.67) MHz. (2.4 Mbaud Sync.)

1.5 Mbaud self-clocked. 2 x 1 KByte FIFO

ing to your own design

5230-11* (5230-11/1)*

523-18

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Man. ID 03139, Rev. Index 0200

VMOD-2/VMOD-2D

Functional Description

2.1 VMOD-2 Address Map.......................................................... 2-1

2.1.1 Selection of the Address Block Widths......................... 2-2

2.1.2 Address Range of the VMOD-2.................................... 2-2

2.2 VMEbus Interrupts................................................................. 2-3

2.2.1 Interrupt Generation on the VMOD-2............................ 2-3

2.2.2 Interrupt Level Setting................................................... 2-3

2.2.3 Interrupt Vector Options................................................ 2-3

Chapter

2.2.4 Interrupt Vector Setting................................................. 2-4

2.2.5 Interrupt Vector Setting Examples................................ 2-4

2.3 External "Local" Reset Input ................................................ 2-5

2.4 ID Byte................................................. .... ..... ......................... 2-8

2.5 VMOD/VMOD-2 Connector Locations and Pin-Outs............. 2-9

2.5.1 VMOD-2 (VMOD/VME End) Piggyback Connector

BU1/0.................. ..... ............................ ..... .... ..... ......... 2-10

2.5.2 VMOD-2 External Interface Connectors BU2a and

BU2b................... ..... ............................ ..... .... ..... ......... 2-11

2.5.3 Pin Outs of the VMOD Front Panel Connector with Two

VMOD-2s............................................. ..... .... ..... ......... 2-13

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VMOD-2/VMOD-2D

Functional Description

2. Functional Description

The VMOD-2 is a very simple and compact Modular Base-board accepting any two VMODPiggyback sub-modules for user-configurable I/O in any VMEbus system. It is better suited for use in conjunction with other VMOD-2's in a VMEbus system than the original VMOD, which only had eight different ba se addresses. This cha pter will descr ibe the " physic al" in ter faces of the VMOD-2, and the function of the external "local" reset interfaces.

Although this manual contains references to some VMOD piggybacks, you are asked to refer to the piggyback's own user manuals for comprehensive and up to date information regarding the individual piggyback products.

The VMOD-2 is designed to function as a slave module (any slot other than slot 1) in any 3U or 6U VMEbus system. in 6U (double-height) systems it is fitted in the upper backplane connector (P1, J1).

2.1 VMOD-2 Address Map

The VMOD-2 is addressed by setting appropriate jumpers for each selectable Address-line and/or the setting of an address modifier jumper (B03) to specify the desired addressing mode. A further jumper B16 can be set to provide increased address block widths when using the VMOD-2 with newer piggybacks using the additional address lines A7...A11. The first piggyback (upper location) is always available at the base address and the second piggyback (lower location) is available at base address plus either offset $80/$81 or $1000/$1001, subject to selected address block widths.

All existing "VMOD" (523-xx) piggybacks use the address l ines A1.. .A6. Any new 5230-xx piggybacks (VMOD-2 only types) use not only the address lines A1...A6, but als o A7...A11 which are provided on the VMOD-2 only.

Remember!

Any existing and/or new piggybacks with a "523-" order number, can be used on either an original VMOD or a VMOD-2, and when used on a VMOD-2 may be used in either 256 Byte or 8 KB yte address block widths. Any new piggybacks with a "5230-" order number (only suitable for VMOD-2 use) with the address block width of 8 KBytes. A VMOD-2 can have a mix of old and new piggybacks fitted provided the address block width is set for the increased 8 K Byte addressing mode, i.e. jumper B16 must be set.

Via the address offsets, the user can address specific piggyback devices (i.e. SCCs) by writing to the selected VMOD-2's base address plus an offset of the appropriate value (see specific piggyback user's manual).

Example of offsets where two PB-RELs are fitted to VMOD-2.

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VMOD-2/VMOD-2D

Configuration for base add ress rang e $FE2400 to $FE24F F

Addressing piggyback (i.e. PB-REL) fitted in location A (the upper position on VMOD-2)

Functional Description

• VMOD-2 BASE ADDRESS+$41= PB-REL's ID Vector (read only)

• VMOD-2 BASE ADDRESS+$01= PB-REL's 8-bit output port Register (read/write)

Addressing piggyback (i.e. PB-REL) fitted in location B (the lower position on VMOD-2)

• VMOD-2 BASE ADDRESS+$C1/$1041* = PB-REL's ID Vector (read only)

• VMOD-2 BASE ADDRESS+$81/$1001* = PB-REL's 8-bit output port Register (read/write)

* Actual offset for lower piggyback is subject to the setting of jumper B16 and could be $10xx if a 5230-xx piggyback is fitt ed in to the up per pi ggyb ack locat ion, and jumper B16 is set . I. e. 8 KByte address width is required.

Table 2-1: Default Setting of the VMOD-2 Base Address

VMOD-2 Jumpers B02 B12 B13 B14 B15 B16 Base Address Default Settings Set Set Open Set Set Open $FE2400 Address Lines A15 A14 A13 A12 A11 in

256 Byte block

A jumper set results in the related address line being assigned a logical low (0) function.

2.1.1Selection of Address Block Widths

As mentioned in the preceding section, an important aspect regarding the use of the VMOD-2 is the option of block size selection, which must be taken into consideration when using the VMOD-2 in certain configurations and/or applications.

When using the VMOD-2 to replace an existing VMOD (as a one-to-one direct replacement), the VMOD-2 should be set to the narrower address range of 256 Bytes by opening the jumper B16. This ensures that the VMOD-2 presents an address width of only 256 Bytes identical to the old VMOD, and uses offsets of $01 and $80 for the two piggyback locations.

No new "5230-xx" piggybacks should be added to the VMOD-2 when used as a replacement for an older VMOD since when jumper B16 is open the enhanced (5230-xx) piggybacks will not have the use of additional address lines A7...A11 and will not therefore function correctly. Where using existing piggybacks and a VMOD-2 to substitute an older style VMOD, we rec-

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VMOD-2/VMOD-2D

Jumper B16 Setting

Set

Open

ommend the jumper B16 is removed, which will ensure that your software will address both piggybacks correctly without any need of modification.

Functional Description

Table 2-2:Address Block Widths According to Jumper B16 Setting

VMOD-2's Address Block Width 8 KByte 256 Byte Upper Piggybacks add ress offset $00/$01 $00/$01 Lower Piggybacks add ress offset $1000/$100 1 $80/$81 Address lines available t o piggy-

backs

Special note!

The user's manuals for various piggybacks currently in existence, will continue to give details of their address offsets based on the 256 Byte address block spacing as described above. You can of course use the new 8 KByte spacing with all "523-xx" piggybacks, by simply increasing the offset from $80/$81 to $1000/$1001 for p iggyback location B .

A1.....A11 A1....A6

2.1.2Address Range of the VMOD-2

Using the address widths given before, you are able to select from either thirty-two 256 Byte wide addresses, or from eight 8 KByte wide addresses,. i.e. your system can have 32 or eight VMOD-2s fitted subject to your address configurations. The address selection is acheived by decoding the state of five jumpers, B2, B12, B13, B14 a nd B15. Where a jumper Set returns a logical 0 for the respective address line and a jumper Open returns a logical 1 for the respective address line.

A full listing with all address setting permutations is given in section 3.1.6.

2.2 VMEbus Interrupts

2.2.1Interrupt Generation on the VMOD-2

Each piggyback on the VMOD-2 is able to request/generate interrupts between levels 1 to 7. However the VMOD-2 will only be set for one level of interrupt for use on the VMEbus.

For each request from pigg ybacks , I NT0* for pi ggyback lo cati on "A " and I NT1* f or " B", t here is an acknowledge signal, INTA0* and INTA1* respectively. If two simultaneous interrupts are detected, the one which is first will disable any handling of the other until its been dealt with itself.

2.2.2Interrupt Level Setting

As mentioned above the user can set his VMOD-2 to use any IRQ level from 1 to 7 as appropriate to his VMEbus systems application. The selection of these levels is subject to the set-

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VMOD-2/VMOD-2D

Dumb

Int Fixed

Int Progr

ting of three jumpers B17, B18 and B19, where when all three are set the IRQ from the VMOD-2 is disabled. See section 3.1 (jumper configuration) for detailed settings.

Functional Description

2.2.3Interrupt Vector Options

The user can select between several different ways to use his VMOD-2's Interrupt Vectors as the VMOD-2 is provided with a jumper (B1) with three different possibilities. See section 3.1 (jumper configuration) for detailed settings.

1). Vector can be generated by either or both piggybacks, if these pig gybacks are intel ligent enough. Most are.

2). Vector can be generated by the VMOD-2, using preset jumper coding, where non-intelli gent piggybacks are being fitted. In thi s mode a furt her opt ion to as sig n both piggyb acks the same vector is provided by the setting of a three-pin jumper B11.

3). Vector can be generated by the lower piggyback ("B") and derived from jumper settings on the VMOD-2 for a non-intelligent pi ggyba ck fitted into the up per pi ggyba ck ("A") loc ation.

The features of some piggybacks you may wish to use on your VMOD-2 are:

Table 4-3: Possible Piggybacks for VMOD-2

PB-DAC D to A converter piggyback PB-DAC-2 D to A converter piggyback PB-DIN2 Digital input piggyback PB-DIO4 Digital I/O piggyback PB-DOUT Digital output piggyback PB-REL Octo-Relay piggyback PB-ADC A to D converter piggyback PB-CNT Counter piggyback PB-BIT BITBUS™ communications piggy-

back PB-CIO Counter/I/O piggyback PB-DIN Digital Input piggyback PB-DIO Digital I/O piggyback PB-DIO-2 Digital I/O piggyback

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PB-DIO-3 Digital I/O piggyback PB-SIO4 Quad serial piggyback PB-STP Digital I/O piggyback

Dumb = no on-piggyback vector generation ability .

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VMOD-2/VMOD-2D

Interrupt Vector Bit

Jumper Numbers

Example Setting # 1

Upper PBs Vector

Lower PBs Vecto r

Example Setting # 2

Upper PBs Vector

Lower PBs Vecto r

Example Setting # 3

Upper PBs Vector

Lower PBs Vecto r

Int Fixed = Vector is pre-fixed on-board the piggyback Int Progr = programmable vector on piggyback

Functional Description

2.2.4Interrupt Vector Setting

As described before, the user can set his VMOD-2's Interrupt Vectors as appropriate to his VMOD-2/Piggyback configurations needs. The selection of these vectors is subject to the binary code of bits D0.. .D7 as derived by the setting of jumpers B11 to B4 respective ly. B11 is a three-pin type and can provide an identical or different vector for the two piggybacks. Three examples are given below where jumper B1 must be set to 1-2 to use these vectors.

Table 2-4: Interrupt Vector Selection

D7 D6 D5 D4 D3 D2 D1 D0 B04 B05 B06 B07 B08 B09 B10 B11 Open Open Open Open Set Open Set 1-3* F4 F5 Open Open Open Open Set Open Set 1-2* F4 F4 Open Open Open Open Set Open Set Open F5 F5

* = If jumper B11 is set for 1-3, D0 will return a "0" for piggyback "A" and a "1" for piggyback "B".

When jumper B11 is set to 1-2 the vector of both piggyback locations "A" and "B" will be the same (so D0 = 0).

When jumper B11 is open the vector of both piggyback locations "A" and "B" will also be the same (but D0 = 1).

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VMOD-2/VMOD-2D

Configuration

Vector

Modes

B1 Settings

B4...B11

Settings

Functional Description

2.2.5Interrupt Vector Setting Examples

The following examples are provided to help VMOD-2 users to quickly understand when and how to set his VMOD-2's Interrupt Vectors as appropriate to his VMOD-2/Piggyback configurations needs.

Table 2-5: Interrupt Vector Configuration Examples

1). Two "intelligent" pi ggyback s (both able to generate interrupt vectors) are fitted to the VMOD-2 to use their own generated vecto rs.

2). Two "Dumb" piggybacks (both unable to gener ate interrupt vectors) are fitted to the VMOD-2 and ne ed VMOD-2's set vectors.

3). One "intelligent" and one "Dumb" piggyb ack are to be fitted to the VMOD-2 and the user wants th e intell igent pi ggyback to use it's on-board "Intelligent" vector generation in combination with "Dumb" jumper coding.

Use Piggyback Generated Vectors

Use VMOD-2 Jumper set Vectors

Use the "Dumb" piggyback in upper location, and fit the "intelligent" one in lower location.

2.3 External "Local" Reset Input

Jumper B1 is left open.

B1 is to be set to 1-2.

B1 is to be set to brid ge pins 1-3.

Jumpers B4...B11 ar e not decoded and can be left in any setting.

Jumpers B4...B11 are set for appropriate byte coding.

Jumpers B4...B11 are set for desired vector code to be assigned when piggyback "A" makes an IRQ.

A new feature of the VMOD-2 is the ability to cause a "local" reset to the on-board pi ggybacks from two (previously unused) pins on the front panel connector. These pins accept external voltages between +5V min. and +48V max, across each VMOD-2.

Set jumper B20 to 1-2 if an external reset facility is n ot required.

The principals of the local reset input circuit are, that an opto-coupler is monitored for an external presence of current i n through pin 26 and out to ground via pin 25 of the 50-way connector. If the flow of current is interrupted at any time, e.g. by disconnection of connectors, pressing a stop button, etc., the "local" reset is act ivated.

This facility may be enabled by setting the three- pin B20 jumper (li nking jumper pins 1-3). Otherwise the VMOD-2 is delivered with this jumper set to 1-2, which is particularly important when using the VMOD-2 to replace an existing VMOD and not wanting to modify cables.

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VMOD-2/VMOD-2D

Functional Description

The External Reset is limited to the VMOD-2 and it's piggybacks, and will not reset the VMEbus unless your application software demands it to. I.e. via the polling of an output register to detect a "reset" state.

Special note!

There can be occasions when spurious interrupts are caused with the use of the "local" reset facility.

This can happen when a VMOD-2 IR Q is cleared by the local re set before the VMEbus system h as had a chance to clear the interrupt itself.

The two-pins (25 and 26) of the 50-way front panel connector, can be used to detect the following external events;

Figure 2-1: External Reset Connection — Example 1

1).

VM OD

Bre a ki ng ei th er of t hese connectors causes a local reset to the VMOD-2

Detect breaking of any intermediate connectors between VMOD -2 and exte rnal device.

Machin e

Vcc

Upper

pig gybac k

0V or

Lower

pig gybac k

In this kind of mode their two wires are joined to Vcc and Gnd at the furth est end.

Gnd

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VMOD-2/VMOD-2D

Figure 2-2: External Reset Connection — Example 2

Functional Description

2).

VM OD

Sa fety cage door holding N O switch clo sed . Openin g do o r ( switch) will cause a local reset to the V MO D-2

Detect the opening of safety-cage doors of any external device under VMO D-2's control.

Machin e

Vcc

Upper

pig gybac k

0V or

Lower

pig gybac k

The two wires are at tached through "NO" terminals of the switch, which automatically opens when the doo r becomes "Uns afe" (opened).

Gnd

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VMOD-2/VMOD-2D

Figure 2-3: External Reset Connection — Example 3

Functional Description

3).

VM OD

Pr essin g eith er of these but t o n s w ill cause a local reset to the V MO D-2

Machine

Upper

pig gybac k

Lower

pig gybac k

Vcc

0V or Gnd

Pseudo "emergen cy stop" bu tton chain for manual intervent ion, i.e. during mot or control applicatio n develop ment.

In this kind of mo de the ir two w ires bein g daisy chained thr ough sever al NC switches, and joined to Vcc and Gnd at the most distant end.

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VMOD-2/VMOD-2D

Figure 2-4: External Reset Connection — Example 4

Functional Description

4).

Machine #2

Pin-26

Pin-25

Upper

pig gybac k

Vcc

Reset Logic

Machine #1

0V or

VM OD

I f mach in e 2's reset lo g ic turns reset loop su pply off, or bu tton p re ssed bo t h V M OD- 2s will reset

VM OD

Lower

pig gybac k

Gnd

To synchronize the reset of two (or mo re) VMOD-2s (see voltage notes on next page).

The two wires ar e daisied throug h two VMOD-2s and the NC switch/logic before being joined to Vcc and Gnd at th e most distant end.

Note: in example #4, the applied Vcc from machine #2 must be at least +10V to work the two V MOD-2s co nnec ted in series, Th is doe s not inclu de p.d. on length of lea ds, connector con tact resistance, etc.

2.4 ID Byte

An extremely important feature of the VMOD-2 is the ability to "ask it" per software what piggybacks are on board. Remembering that once configured and fitted one VMOD-2 is indistinguishable from others configured differently. Via this built-in identification feature you can interrogate the VMOD-2 to return an ID for each of the fitted piggybacks, and if this is integrated into your application software, may be used to check that any given tasks is valid for the fitted piggyback before execution.

The VMOD-2 can be tested per software in order to determine what type of piggybacks is fitted. If jumper B16 is not set it is offset $7F (location A) and offset $FF (location B), with jumper B16 set it is $107F (location A) and $10FF (location B). Where our "example" VMOD2 fitted with two PB-RELs, would return a "$FC" Byte for both locations.

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VMOD-2/VMOD-2D

$EE

$EF

$F0

$F1

$F2

$F3

$F4

$F5

$F7

$F8

$F9

$FB

$FC

$FD

$FE

Some ID Bytes you may come across when interrogating your VMOD-2 for it's configuration are:

Functional Description

Table 2-6: ID Bytes

PB-BIT BITBUS™ Commun ications pi ggyback PB-DIO4 Digital I/O piggyback PB-CNT Counter piggyback PB-DAC D to A converter piggyback PB-DAC-2 D to A converter piggyback PB-DIO Digital I/O piggyback PB-DIN Digital Input piggyback PB-ADC A to D converter piggyback PB-CIO Counter/I/O piggyback PB-SIO4 Quad serial piggyback PB-DOUT Digital Output pi ggyback PB-DIN2 Digital Input piggyback PB-DIO-2 Digital I/O piggyback PB-REL Octo-Relay piggyback PB-DIO-3 Digital I/O piggyback PB-STP Digital I/O piggyback

As piggybacks are being continually added to the VMOD-2 range, we recommend you check each employed VMOD/VMOD-2 piggyback's user manual for pr eci se infor mation re gardi ng its individual ID Byte assignment.

BITBUS is a registered Trademark of the Intel corporation

2.5 VMOD/VMOD-2 Connector Locations and Pin-outs

This section serves to give an overview of the piggyback interface connectors at both the VMOD-2's VMEbus end and the VMOD-2's (piggyback's) external I/O. Figure 2.4 shows an example configuration where two piggybacks are to be fitted to your VMOD-2, the first fits in the upper position (Position A), and the second, is fitted in the lower (B) position. This section commences with the two header type connectors (BU1a/BU1b and BU0a/BU0b) of the VMOD-2 which directly interface to the selected piggyback's ST1 and (where 3-row/45-pin interfaces are used) ST0 pin rows.

The lower case letters in the socket numbers refer to which piggyback location the connector is used for, i.e. BU1a is socket 1 for piggyback location A. An illustration giving details of all the VMOD-2's connectors is given below.

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VMOD-2/VMOD-2D

Caution!

When using the VMOD/VMOD-2 with any piggyback, take care to note that the terms ST1 and ST 2 used in the piggybacks user's manual and circuit diagrams, refer to the connectors of the Piggyback and equate to their Plug 1 and Plu g 2 (ST from the German word "Stecker") these fit to BU1a and BU2a or BU1b and BU2b (BU = "Buchse" = Socket) on the VMOD/VMOD-2.

This is very important as the VMO D/VMOD-2 also have Plugs called ST1 (VMEbus connector) and ST2 (50-way header) which have no direct relationship to those of the piggybacks circuit diagrams as attached to the piggyback user's m anual.

Look for the front connector overview in each VMOD-piggybacks user's manual, before making any interfa ce leads/connections, a nd use with due caution, especially where high external voltages or unprotected external supplies are to be co nnected.

Functional Description

Figure 2-5: Overview of VMOD-2's Connector Locations

BU2a 26-way, 2-row

p i g g y bac k socke t for

upp e r piggyback

ST3 front p anel

connector (50-w a y)

— or —

ST 2 on- b oard

50-way header

BU2b 26-way, 2-row

p i g g y bac k socke t for

lower piggyback

BU1 a/BU0a 30/45-way

2/ 3 - row upper

pig gybac k s ocket

BU1 b/BU0b 30/45-way

2/3-r ow lower

pig gybac k s ocket

2.5.1VMOD-2's (VMOD/VME End) Piggyback Connector BU1/0

ST 1 VMOD -2's

VM E bus 96-way

connector (P1, J1)

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The front two-rows of the three-row 30/45-pin sockets (BU1 and/or BU0) are used by all VMOD/VMOD-2 piggybacks. Some piggyback's, having three-row headers, also use the third row, BU0a or BU0b. The use of the third row does not however define a piggyback as being only suitable for use on the VMOD-2, as the original VMOD also had these third rows, and several existing VMOD-piggybacks use signals on the third row which are found on both the VMOD and the VMOD-2. Previously unused pins in the third row (BU0) are now fully utilized by the VMOD-2 and

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VMOD-2/VMOD-2D

BU1 Connector

BU0 Connector

Signal

Pin #

Signal

Pin #

Signal

to help see which pins are only on the VMOD-2, we have shown these additional lines in bold/italics.

Functional Description

Table 2-7:

+5V (Vcc) 2 1 GND 1 GND

-12V 4 3 +12V 2 IA8 CLK 6 5 R /W* 3 IA9 UDTACK

n* CSn* 10 9 INTAn* 5 IA11 IA71211INTn*6 IDS1* IDS0*1413ID77 ID15 IAS* 16 15 ID6 8 ID14 IA61817ID59 ID13 IA5 20 19 ID4 10 ID12

VMOD/VMOD-2

8 7 RESET* 4 IA10

BU1/0 Connector Pin-Outs

IA4 22 21 ID3 11 ID11 IA32423ID212ID10 IA22625ID113ID9 IA12827ID014ID8 +5V (Vcc) 30 29 GND 15 GND

Notes:

1). All signals marked with an "*" are Active Low.

2). Lower case "n" used with some signal lines above is for the location identifier 0 or 1, where 0 = signal for upper piggyback location and 1 = lower piggyback location.

3). ±12V is only needed by some piggybacks, and will only be available if your VMEbus backplane is connected to a PSU capable of supplying such voltages.

4). The orientation of the pin-number columns in the above connector overview (and that of the connector overview on the next page) rel ates to the pin- positions of the VMOD-2 when viewed as shown in figure 2.5 on the preceding page. I.e. their pin number 1s are top-right.

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VMOD-2/VMOD-2D

VMOD-2 50-Way ST2/ST3 Pins as Used When a Selected Piggyback is

Fitted into the BU2 for Upper Location (A)

BU2 Pin #

VMOD-2 50-Way Pins Used When Piggyback is

Fitted into the BU2 for Lower Location (B)

Remember!

If any of the piggybacks you wish to use need any of the signals shown bold/italic above (i.e. a 5230-xx typ e), a VMOD-2 set for an 8 KByte wide address area must be used. Any piggyback not needing these additional lines can be used on the VMOD-2 in either a 256 Byte or 8 KByte address width setting.

Functional Description

2.5.2VMOD-2 External Interface Connectors BU2a and BU2b

The twenty-six pin double row sockets are totally isolated from the remaining circuits of the VMOD-2, and only connect the input/output side of the respective piggybacks 26-pin I/O header directly to the upper or lower half of the 50-way VMOD-2 front panel connector.

The actual pins used are subject to the design of the piggyback, but the pin interconnections between the two BU2 connectors and the 50-way front panel connector will always be the same. To determine what pin -s your si gnals wi ll a ppear on when using any re ady made pigg yback, please see the piggyback's user manual which will give precise details of the external interfaces for use in both l ocations. If fault-tracing or designing your own piggybacks, the relationship of the respective piggyback locations (inputs/outputs) to the external connector is as given in the table below.

Table 2-8: ST2/ST3 Connector Pin-Outs

50 24 2 1 24 50 47 21 4 3 22 48 45 19 6 5 20 46 43 17 8 7 18 44 41 15 10 9 16 42 39 13 12 11 14 40 37 11 14 13 12 38 359 16151036 337 18178 34 315 20196 32 293 22214 30 271 24232 28 49 23 26 25 23 49

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VMOD-2/VMOD-2D

Caution!

The term "ST2" on th e schematics at the back of any pigg yback manuals, refer only to the ST-2 conn ector of the actual pigg yback (which plugs into the above BU2) not to the VM OD-2's ST2. Ta ke care not to confuse these when making connections to your VMOD-2 front pane l.

Remember also that the pin-outs change when swapping the previously fitted piggybacks around or replacing them with different types. This is also true when mov ing several differently configure d VMOD-2's around in your VMEbus system, where the external appearance of one VMOD-2 is indistinguishable from any other.

Please refer to resp ective piggy backs use r's manu al for the ex act p in-outs which are presented to the external equipment (the VMOD's 50-way header) when such a p iggyback is fitted.

Functional Description

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VMOD-2/VMOD-2D

Figure 2-6: VMOD-2 and VMOD-Piggyback Connector Overview

Functional Description

VMOD-2's ST2 (on-boar d)

50-way Header

Pin 50

Eve n

pins

Pin 2

VMOD

Pin 49

VMOD-2's ST3

Front Pa ne l

Connector

(50-Wa y )

Odd

pins

Pin 1

VMOD-2's two 26-way Headers BU2a (upper)

BU2b (lowe r )

Position A

Fitted PB-REL

Position B

VMOD -2's two 30/45- way

Heade r BU1/0a (uppe r PB)

BU1/0b (lower PB location)

VMOD's ST1 VMEbus Connector (96-Wa y )

PB's ST2 Short Connector (26-Way)

Even

Pins

PB's ST1

PB-REL

(rea dy for fi tti n g)

PB's ST2 a nd ST1

Odd

Pins

pin distribution as seen from th e PB's component si de.

Rem ember t he PB's

ST2 pin numbers

have nothi ng to do

with the VMOD-2

ST2's (user I/O) pins.

Even

Pins

Long Connector (30-Way)

Odd

Pins

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VMOD-2/VMOD-2D

Functional Description

2.5.3Pin Outs of the VMOD's Front Panel Connector with two VMOD-2s

The respective half of the VMOD-2's front panel 50-way connector (pins 1...24 for lower posi-

tion and pins 27.....50 for upper) assume the relationship of the piggybacks (as fitted to

VMOD-2) signals as routed from their ST2 (via the BU2a or BU2b) through connections as shown in table 2.5.2 on previous page.

The connector's pins 25 and 26 a re u sed as an exter nal res et (or emergency s top loop ) on the VMOD-2, and were left "not used" on the original VMOD.

An option to have the VMOD-2 with no front panel connector, but rather a 50-way header behind a blank front panel will provide an identical pin-out to the standard 50-way front panel connector, and is provided for applications where the flat band cabl e is to be routed internally, or where an alternative front panel is to be fitted and used. Take care to note that the 50-way header is unpolarized, and can be accidently missconnected if the flat-ribbon connector is turned upside-down.

Figure 2-7: VMOD Front Panel Connector

Eve n p ins

Pin 50

Pin 2

VMOD

O dd pins

Pin 49

Pin 1

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Note.

In systems having more than one connector of this type, or when using several VMOD-2s with different piggybacks, it is advisable to put one or two drops of colored paint on the back of the connector and on the front panel of the VMOD-2 to which it was ma de for. The connector splits virtually in half (pins 1...24 and 27 to 50) for connection to the re spective piggybacks location behind it. Pins 25 and 26 are used by the "local reset"

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VMOD-2/VMOD-2D

PB Name

and

Direction*

Signal*

VMOD Front (50-Way)

Pin #s

Piggyback

Position

PB ST2

Pins

input circuits where such feature is desired and thus enabled.

Table 2-9: VMOD-2 Front Panel Connector Pin-Outs

Functional Description

50 Upper (A) 1, 2

49 Upper (A) 25, 26

48 Upper (A) 3

47 Upper (A) 4

46 Upper (A) 5

45 Upper (A) 6

44 Upper (A) 7

43 Upper (A) 8

42 Upper (A) 9

41 Upper (A) 10

40 Upper (A) 11

39 Upper (A) 12

38 Upper (A) 13

37 Upper (A) 14

36 Upper (A) 15

35 Upper (A) 16

34 Upper (A) 17

33 Upper (A) 18

32 Upper (A) 19

31 Upper (A) 20

30 Upper (A) 21

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29 Upper (A) 22

28 Upper (A) 23

27 Upper (A) 24

26 Reset GND

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VMOD-2/VMOD-2D

PB Name

and

Direction*

Signal*

VMOD Front (50-Way)

Pin #s

Piggyback

Position

PB ST2

Pins

Table 2-9: VMOD-2 Front Panel Connector Pin-Outs

Functional Description

25 Reset +

Vcc

24 Lower (B) 1, 2

23 Lower (B) 25, 26

22 Lower (B) 3

21 Lower (B) 4

20 Lower (B) 5

19 Lower (B) 6

18 Lower (B) 7

17 Lower (B) 8

16 Lower (B) 9

15 Lower (B) 10

14 Lower (B) 11

13 Lower (B) 12

12 Lower (B) 13

11 Lower (B) 14

10 Lower (B) 15

09 Lower (B) 16

08 Lower (B) 17

07 Lower (B) 18

06 Lower (B) 19

05 Lower (B) 20

04 Lower (B) 21

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03 Lower (B) 22

02 Lower (B) 23

01 Lower (B) 24

An identical table with appropriate signal names ready added, is to be found in each piggyback manual.

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Man. ID 03139, Rev. Index 0200

VMOD-2/VMOD-2D

Configuration

3.2 Fitting Piggybacks

Detailed descriptions on how to fit and use each piggyback is given in their respective user's manuals.

After fitting, please look under the fitted piggyback to ensure that every pin of it's front 26-pin connector is in a socket hole. If any holes are not occupied or any pins are left without a hole, there is a strong possibility that the piggyback is the wrong-way round and/or displaced in pin number/height.

For many piggybacks the last 15-pin row of 30/45-pin socket holes (connector nearest the VMEbus interface end of VMOD-2) will not be used. It is easier to see that all is well by checking the 26-pin interface at the front end first.

Pin-outs of the front panel 50-way connector will change according to the piggybacks fitted and if they are used in the upper or lower locations. Again ple a se refer to the individual piggyback's user's manuals before making any interface cables.

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VMOD-2/VMOD-2D

RQ Level

Wanted

B17

B18

B19

Local Reset

Enabled

Disabled

see note

below

Configuration

3.1.7Jumpers B17...B19 Setting Interrupt Level

The VMOD-2 user can set the three jumpers B17, B18 a nd B19 to us e any IRQ level from 1 to 7 as appropriate to his VMEbus systems application. When all three jumpers are set the IRQ from the VMOD-2 is disabled.I

Table 3-10: IRQ Level selection

None Set Set Set IRQ1* Set Set Open (Default) IRQ2* Set Open Set IRQ3* Set Open Open IRQ4* Open Set Set IRQ5* Open Set Open IRQ6* Open Open Set IRQ7* Open Open Open

3.1.8Jumper B20 Enable/Disable "Local" Reset Input

The VMOD-2 user can take advantage of an external signal which when utilized will allow the two piggybacks to be "reset" whenever certain external conditions occur. The external twowire signal is input onto pins 25 and 26 of the 50-way external interface, where the wiring and use of these two lines are as described in section 2.3.

Table 3-11: Local Reset Enable/Disable

Jumper B20 1-3 1-2 Open

Note.

Jumper B20 must be set to either 1-2 or 1-3. B20 left open is not allowed. If this jumper is left totally open (neither pin con nected to pin 1) the logic is floating and may cause spurious resets or other unpredictable problems.

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VMOD-2/VMOD-2D

B16

AB Size

Address

Block #s

B2 A15

B12 A14

B13 A13

B14 A12

B15 A11

Address Range

From ... To

Table 3-9: Address Width (B16) and Range (B2 and B12...15) Selections

Open 2 56 Byte AB #3 1 Open Open Open Open Set $FE F4 00 $ FE F4 FF Open 2 56 Byte AB #3 2 Open Ope n Open Open Open $FE FC 00 $FE FC FF

Set 8 KByte AB#01..04 Set Set Set x x $FE 00 00 $FE 1F FF Set 8 KByte AB#05..08 Set Set Open x x $FE 20 00 $FE 3F FF Set 8 KByte AB#09..12 Set Open Set x x $FE 40 00 $FE 5F FF Set 8 KByte AB#13..16 Set Open Open x x $FE 60 00 $FE 7F FF Set 8 KByte AB#17..20 Open S et Set x x $FE 80 00 $FE 9F FF Set 8 KByte AB#21..24 Open S et Open x x $FE A0 00 $FE BF FF

Configuration

Set 8 KByte AB#25..28 Open Open Set x x $FE C0 00 $FE DF FF Set 8 KByte AB#29..32 Open Open Open x x $FE E0 00 $FE FF FF

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x = B14 and B15 can be left at any setting when using 8 KByte address block widths. Default Setting bold/italic

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VMOD-2/VMOD-2D

B16

AB Size

Address

Block #s

B2 A15

B12 A14

B13 A13

B14 A12

B15 A11

Address Range

From ... To

Table 3-9: Address Width (B16) and Range (B2 and B12...15) Selections

Open 2 56 Byte AB #16 Set Open O pen O pen Op en $FE 7C 00 $FE 7C FF Open 2 56 Byte AB #17 Open Set Se t Set Set $FE 84 00 $FE 84 FF Open 2 56 Byte AB #18 Open Set Se t Set Open $FE 8C 00 $F E 8C FF Open 2 56 Byte AB #1 9 Open Set Set Op en Set $FE 94 00 $FE 94 FF Open 2 56 Byte AB #20 Open Set Se t Open Ope n $FE 9C 00 $ FE 9C FF Open 256 Byte AB #21 Open Set Open Set Set $FE A4 00 $FE A4 FF Open 256 Byte AB #22 Open Set Open Set Open $FE AC 00 $FE AC FF Open 2 56 Byte AB #2 3 Open Se t Open Open Set $FE B4 00 $FE B4 FF

Configuration

Open 256 Byte AB #24 Open Set Open Open Open $FE BC 00 $FE BC FF Open 256 Byte AB #25 Open Open Set Set Set $FE C4 00 $FE C4 FF Open 256 Byte AB #26 Open Open Set Set Open $FE CC 00 $FE CC FF Open 256 Byte AB #27 Open Open Set Open Set $FE D4 00 $FE D4 FF Open 256 Byte AB #28 Open Open Set Open Open $FE DC 00 $FE DC FF Open 2 56 Byte AB #29 Open Open Open Se t Set $FE E 4 00 $FE E4 FF Open 256 Byte AB #30 Open Open Open Set Open $FE EC 00 $FE EC FF

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VMOD-2/VMOD-2D

B16

AB Size

Address

Block #s

B2 A15

B12 A14

B13 A13

B14 A12

B15 A11

Address Range

From ... To

Table 3-9: Address Width (B16) and Range (B2 and B12...15) Selections

Open 2 56 Byte AB #01 Set S et Set Set Set $FE 04 00 $FE 04 FF Open 256 Byte AB #02 Set Set Set Set Open $FE 0C 00 $FE 0C FF Open 2 56 Byte AB #0 3 S et Set Set Open Set $FE 14 00 $FE 14 FF Open 256 Byte AB #04 Set Set Set Open Open $FE 1C 00 $FE 1C FF Open 2 56 Byte AB #05 Set S et Op en Se t Set $FE 24 00 $ FE 24 FF Open 256 Byte AB #06 Set Set Open Set Open $FE 2C 00 $FE 2C FF Open 256 Byte AB #07 Set Set Open Open Set $FE 34 00 $FE 34 FF Open 256 Byte AB #08 Set Set Open Open Open $FE 3C 00 $FE 3C FF

Configuration

Open 256 Byte AB #09 Set Open Set Set Set $FE 44 00 $FE 44 FF Open 256 Byte AB #10 Set Open Set Set Open $FE 4C 00 $FE 4C FF Open 256 Byte AB #11 Set Open Set Open Set $FE 54 00 $FE 54 FF Open 256 Byte AB #12 Set Open Set Open Open $FE 5C 00 $FE 5C FF Open 2 56 Byte AB #13 Set Open O pen Set Set $FE 64 00 $FE 64 FF Open 256 Byte AB #14 Set Open Open Set Open $FE 6C 00 $FE 6C FF Open 2 56 Byte AB #1 5 S et Ope n Open Open Set $FE 74 00 $FE 74 FF

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VMOD-2/VMOD-2D

Configuration

Vector Modes

B1 Settings

B4...B11

Settings

Table 3-8: Interrupt Vector Configuration Examples

Configuration

2b) Two piggybacks, both

unable to generate interrupt vectors but can send interrupt request are fitted to the VMOD-2 and use "Dumb" vectors (e ach with

Use a different Jumper set VMOD-2 Vector for each piggyback

B1 is t o b e set to 1-2.

Jumpers B4...B11 are set for appropriate byte coding. B11 is set to 1-3.

different vector)

3) One "intelligent" and one "Dumb" piggyba ck are t o be fitted to the VMOD-2 and the user wants the intelligent piggyback to use it's on-board "Intelligent" vector generation in combination with "Dum b"

Use the "Dumb" piggyback in upper location, and fit the "in telli gent" one in lower location.

B1 is t o b e set to bridge pins 1-3.

Jumpers B4...B11 are set for desired vector code to be assigned when piggyback "A" makes an IRQ.

jumper coding.

3.1.6Jumper B16 Selecting Address Block Width

Via the jumper B16, you are able to select if your VMOD-2 should occupy 256 Bytes of address space, or when using certain enhanced piggybacks (which need/use additional address decoding of A06...A11), in increased address steps of 8 KByte wide. The 256 byte wide steps are numbered as AB (Address Blocks) from 01 to 32 in the table below.

Whenever the 8 KByte option is selected (i.e. jumper B16 is set) four consecutive AB#s are occupied. These are also given to ensure that no address contention will occur when using several VMOD-2's (and/or other boards) in your VMEbus system.

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VMOD-2/VMOD-2D

Interrupt Vector Selection (With Jumper B1 BeingCompletely Open)

Interrupt Vector

Bit

Jumper Numbers

Jumper Decod-

ing

Upper PBs Vec-

tor

Lower PBs Vec-

tor

Configuration

Vector Modes

B1 Settings

B4...B11

Settings

Table 3-7:

See also table 3-8 below for further interrupt vector setting information, which may be helpful to you, in order to see how and when to use the three-pin setting option s of jumpers B1 an d B11.

Configuration

D7 D6 D5 D4 D3 D2 D1 D0

B04 B05 B06 B07 B08 B09 B10 B11 May be any setting "Don't Care" since these settings are ignored

Derived from "intelligent" piggyback

3.1.5Using Interrupt Vector

Jumpers B4... B11 as described in the preceding section, provide a binary coded interrupt vector, and may be freely programmed with each jumper representing an individual data bit, B4 = MSB and B11 = LSB.

The table below will help you to decide when and how to use which settings, according to what facilities your chosen piggybacks support.

Table 3-8: Interrupt Vector Configuration Examples

1) Two piggybacks, both able to generate interrupt vectors are fitted to the VMOD2 and the user wants "intelligent" vectors.

2a) Two piggybacks, both

unable to genera te interrupt vectors but can send interrupt request are fitted to the VMOD-2 and use "Dumb" vectors (both the

Use Piggyback Generated Vectors

Use the same Jumper set VMOD-2 Vector for both Piggybacks

Jumper B1 is left open.

B1 is to be set to 1-2.

Jumpers B4...B11 ar e not decoded and can be left in any setting.

Jumpers B4...B10 ar e set for appropriate byte coding. B11 is set to 1-2.

same vector)

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VMOD-2/VMOD-2D

Example Setting

Upper PBs Vec-

tor

Lower PBs Vec-

tor

Example Setting

Upper PBs Vec-

tor

Lower PBs Vec-

tor

Example Setting

Upper PBs Vec-

tor

Lower PBs Vec-

tor

Interrupt Vector

Bit

Jumper Numbers

Example Setting

Upper PBs Vec-

tor

Lower PBs Vec-

tor

Lower PBs Vec-

tor

Table 3-5: Interrupt Vector Selection (With Jumper B1 Set to 1-2)

Configuration

Open Open Open Open Set Open Set 1-3*

Open Open Open Open Set O pen Set 1-2*

Open Open Open Open Set O pen Set Op en

* = With jumper B11 set for 1-3, D0 will retur n a "0" for pi ggyba ck "A" and a "1" for piggyback "B".

With jumper B11 set to 1-2, the vector of both piggyback locations "A" and "B" will be the same (so D0 = 0).

With jumper B11being open, the vector of both piggyback locations "A" and "B" will also be the same (but D0 = 1).

Table 3-6: Interrupt Vector Selection (With Jumper B1 Set to 1-3)

D7 D6 D5 D4 D3 D2 D1 D0

B04 B05 B06 B07 B08 B09 B10 B11

Open Open Open Open Set O pen Set 1-2

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Derived from "intelligent" piggyback

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VMOD-2/VMOD-2D

Configuration for Base Address Range $FE2400 to $FE24FF

Selecting Address Modif iers (AM) Options

Address

Modifier

Standard

39/3D/00

Short 29/2D

Interrupt Vector

Bit

Jumper Numbers

the number of address setting options decrease to just eight. See section 3.1.6 for the description of jumper B16s function and the entire "addr ess setting options" table.

Configuration

Table 3-3: Setting the VMOD-2 Base Address

VMOD-2 Jumpers B02 B12 B13 B14 B15 Base Addr Default Sett ings Set Set Open Set Set $FE2400 Address Lines A15 A14 A13 A12 A11

A jumper set results in the related address line being assigned a logical low (0) function.

Remember!

When replacing an existing "Original-VMOD" only eight addresses were available $FE0400 (as per default above), and addresses equal to AB#05, AB#09, AB#13, AB#17, AB#21, AB#25 and AB#29 as shown in table 3-6.

3.1.3Jumper B3 Address Modifiers

Jumper B3 provides the VMOD-2 user with two different address modifier options. The user can have Short Access, 29/2D, or Standard Access, 39/3 D/00.

Table 3-4:

Jumper B3 Open Set

3.1.4Jumper B4...B11 Interrupt Vector

Jumpers B4... B11 provide a binary coded interrupt vector, B4 = MSB, which subject to the setting of jumper B01, may be used to give an interrupt vector for either or both piggybacks.

The user can have these settings ignored when using two "intelligent" piggybacks (i.e. capable of generating on-board interrupt vectors), by setting jumper B01 to fully open.

The jumper B11 is a three-pin type and can be used to differentiate when the user wants the piggybacks to have identical or different Interrupt Vector Addresses.

Table 3-5: Interrupt Vector Selection (With Jumper B1 Set to 1-2)

D7 D6 D5 D4 D3 D2 D1 D0

B04 B05 B06 B07 B08 B09 B10 B11

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VMOD-2/VMOD-2D

Desired Vector Source

Jumper B1

Notes

Jumper

Number

Default

Setting

Brief Functional Description

See Ch.

Configuration

Table 3-1: General Overview of the VMOD-2 Jumpers

B17 Set MSB of IRQ* level coding 3.1.7 B18 Set 2nd bit of IRQ* level coding 3.1.7 B19 Open LSB of IRQ* level coding 3.1.7 B20 1-2 External "local" Reset input is Disabled. 3.1.8

* = Three pin jumper type with default having no pins connected.

3.1.1Jumper B1, Selecting Interrupt Vector Options

Jumper B1 provides the selection of how your VMOD-2 or it's piggybacks may provide the interrupt vector to the VMEbus, as shown in the followi ng table.

Table 3-2: Selecting Interrupt Vector Source (PB or VMOD-2)

From either of the two

Open Default Setting

"Intelligent" PBs From VMOD-2's B4..B11

settings From "Intelligent" PB in "B"

location (lower) & from VMOD-2 for "A"

Set 1-2 For 2 x "dumb"

PBs

Set 1-3 Ensure the PB fit-

ted in the lower PB location supports this feature

Note!

If wanting mixed "Intelligent and Dumb" interrupt vector support, fit the "dumb" piggyback into the upper location (to use the VMOD-2's preset jumper vectors) and the "in telligent" piggyback in to the lower location.

3.1.2Jumpers B2, B12...B15 Selecting Base Address

Via the five jumpers B02, B12, B13, B14 and B15, you are able to set your VMOD-2's base address in steps of 256 Bytes, to any desired base address from $FE 04 00 to $FE FC 00. In all permitting up to 32 di fferen t add ress setti ng opti ons. I f jumper B16 i s set, the address s teps increase in width to 8 KByte (jumper settings of B14 and B15 are no longer interpreted), and

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VMOD-2/VMOD-2D

Jumper

Number

Default

Setting

Brief Functional Description

See Ch.

However, you are strongly recommended to check these delivered settings against the function set (your piggyback's needs) you require, in order to ensure that the VMOD-2 and your system will function correctly.

Table 3-1: General Overview of the VMOD-2 Jumpers

B01 Open* Interrupt vectors generated by PB's 3.1.1 & 4

Configuration

B02 Set Selects Address line A15's decoding to

"0" B03 O pen Standard Ac cess 39 /3D/00 3.1.3 B04 Open Bit D7 of VMOD-2's Interrupt vector set

to logical "1" B05 Open Bit D6 of VMOD-2's Interrupt vector set

to logical "1" B06 Open Bit D5 of VMOD-2's Interrupt vector set

to logical "1" B07 Open Bit D4 of VMOD-2's Interrupt vector set

to logical "1" B08 Open Bit D3 of VMOD-2's Interrupt vector set

to logical "1" B09 Open Bit D2 of VMOD-2's Interrupt vector set

to logical "1" B10 Open Bit D1 of VMOD-2's Interrupt vector set

to logical "1"

3.1.2

3.1.4

12/15/97

B11 Open* Bit D0 of VMOD-2's Interrupt vector set

to logical "1" B12 Set Selects Address line A14's decoding to

"0" B13 Open Selects Address line A13's decoding to

"1" B14 Set Selects Address line A12's decoding to

"0" B15 Set Selects Address line A11's decoding to

"0" B16 Open Address width selected for 256 Bytes. 3.1.6

3.1.4 & 5

3.1.2

Page 3 - 3Man. ID 03139, Rev. Index 0200

VMOD-2/VMOD-2D

Configuration

3. Configuration

This section describes how to instal the VMOD-2's piggybacks, set the necessary jumpers, and in general prepare the VMOD-2 for system operation. Before you proceed with this section, please refer to the chosen piggybacks user's manuals, to see what restricti ons or special needs are to be taken into account, regarding their use with the VMOD/ VMOD-2 base module.

3.1 Jumper locations and functions

The VMOD-2 possesses some twenty jumper selectable options, such as choice of physical Address Block Size, Base Address, Address Modifiers, etc. These may be via simple "set" or "open" two-pin jumpers, or through bridging two-pins of a three-pin jumper.

Figure 3-1 gives the VMOD-2's physical jumper locations, types and of especial importance for the three-pin types the locations of the pin numbers which are used as setting references throughout this chapter. Thereafter the jumpers are described individually in function order.

Figure 3-1: Jumper Locations Overview

B20

2 - 1 - 3

See p iggybac k A 's

m anual for details of

it's jum p ers/settings

See p iggybac k B's

m anual for details of

it's jum p ers/settings

B01 BO2 B03

B04 B05 B06 B07 B08 B09 B10

B11

B12 B13 B14 B15 B16 B17 B18 B19

3 1 2

2 - 1 - 3

The significance of the "2 1 3's" in the above figure is to define the pin setting choices which these three pin jumpers offer e.g. jumper set onto pins 1-2 or onto 1-3. Pin 1 is always in the middle of these three pin groups.

VMOD-2 is factory tested for full functionality, and is delivered in the configuration which best suits the majority of users (default set ti ngs), see table 3-1 on the next page.

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VMOD-2/VMOD-2D

Configuration

3.1 Jumper Locations and Functions........................................... 3-1

3.1.2 Jumpers B2, B12...B15 Selecting Base Address.......... 3-3

3.1.3 Jumper B3 Address Modifiers....................................... 3-4

3.1.4 Jumper B4...B11 Interrupt Vector ................................. 3-4

3.1.5 Using Interrupt Vector................................................... 3-5

3.1.6 Jumper B16 Selecting Address Block Width................. 3-6

3.1.7 Jumpers B17...B19 Setting Interrupt Level................... 3-7

Chapter

3.1.8 Jumper B20 Enable/Disable "Local" Reset Input.......... 3-7

3.2 Fitting Piggybacks................................................................. 3-7

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VMOD-2/VMOD-2D

Installation

Chapter

4.1 VMEbus Connection.............................................................. 4-1

4.2 Installing the VMOD-2........................................................... 4-1

4.2 IChronological Installation Procedure.................................... 4-2

4.4 Connecting the External Devices .......................................... 4-3

4.5 Front Panel Functions........................................................... 4-4

4.6 Trouble-shooting for VMOD-2/VMOD and VMEbus System. 4-5

4.7 General Remarks on the Use of Your System ...................... 4-6

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VMOD-2/VMOD-2D

Installation

4. Installation

This section describes how to install the VMOD-2 fitted with one or two piggybacks for use in your VMEbus system. Before you proceed with this section please make sure that you have configured all of the necessary VMOD-2 jumpers as described in the preceding section.

4.1 VMEbus Connection

Caution!

Before installing or removing any VMEbus boards always turn off the power to the bus and an y external periphera ls.

Inserting or removing VMOD-2 mo dules while power is on could result in damage to the VME module o r peripherals interface.

Please refer to the Piggyback/-s user's manual/-s for details on installing/removing VMOD to/ from your VMEbus system.

4.2 Installing the VMOD-2

The VMOD-2 may be plugged into any free VMEbus slot position (other than slot 1) in your VMEbus system.

Note: Check Piggybac ks Fitting

(1/.) The connecto r at one end of th e piggyb ack has less pin s than th at at the other end.

(2/.) The piggyback ST2 ha s two-rows which are to fit the front two -rows of the VMOD-2 26-pin, two-row int erface socket BU 2. Take care to ensu re the piggyback is in its co rrect position/orienta tion.

In addition to the mechanical retention/support provided by the two piggyback interface connectors, the piggyback may (by customers with high vibration applications) be held to the motherboard by screws and stand off pillar s, sin ce at t he front end of the pigg yback and at the corresponding location on the VMOD-2, two holes per piggyback location, are provided for this purpose.

4.3 Chronological Installation Procedure (VMOD-2)

1/. Inspect the 96 way VMEbus Interface Connector and front panel header (50-way con-

nector) for clean straight pins.

2/. Check the fitted piggybacks and desired VMOD-2 jumper settings suit your intended

application. i.e. jumper B16 "Set" (for 8 KByte block width) when using any 5230-xx piggybacks.

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VMOD-2/VMOD-2D

3/. Check the desired external interface leads, lengths and connector orientations suit your

intended application and match the connector types required for your targeted external devices.

4/. Ensure all power is off, including that to all other devices connected to the VMEbus sys-

tem.

5/. Choose the desired slot for your VMOD-2 with it's chosen piggyback(s) , and if neces-

sary reposition the other modules. For this chosen slot you must remove the IACK*

daisy chain jumper. (See figure 4.3 on next page). 6/. Place the PCB into the card guides for the desired slot. 7/. Push the module into it's position carefully, checking that the flat ribbon cable (if con-

nected to optional internal 50-way header) does not become snared or damaged. Once

the insertion force of the 96 way VMEbus connector has been overcome, the fr ont pan el

securing screws can be tightened up. 8/. To ensure reduced risk of shock hazard when using higher voltage piggybacks, fit cov-

ers to unused slots either side of the slot into which the VMOD-2 with such piggybacks

is to be fitted.

Installation

9/. Connect the flat ribbon interface cables to your chosen external devices. 10/. Restore power only when you are satisfied that all the modules are correctly electrically

and mechanically fitted. Removing the VMOD-2 (or any other PepCard) is virtually the reverse procedure, where it is

especially important to remember when removing any modules like the VMOD-2, with the option for externall y powe red devi ces, et c. to po wer d own eac h of t hese external source s and/ or disconnect the external connector, otherwise you may risk short-circuiting the external devices power supply outputs, with risk of damage to the interface leads, the interface on the piggyback and even the circuit traces on the VMOD module itself.

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VMOD-2/VMOD-2D

Figure 4-1:Location of jumpers on a VBP or VBP2 VMEbus backplane

VMOD-2

Installation

BG3*

IACK*

SLOT #1 SLOT #1

VM20 Processor Board

as sys tem controller

re move BG 3* and

IAC K* Jumpers

Termi nation network

resistor pu ll-up p a cks

SLOT #n

SLOT #1

Where VM OD-2 is to

be fitted, always

remove the IACK*

Jumper

J umpers se t for e mpty

slots or where ver

PepCards without any

Daisy chain handling

a bility are fitted.

4.4 Connecting the External Devices

If you are using any external leads which carry any voltag e, do not plug the ext ern al leads i nto the front panel connector until after the VMOD-2/Piggyback(s) assembly has been installed in to the rack. The reasons are as follows;

1/. For any external voltages (either under or over 50 Vdc) a risk of electrical shorts exist if

the assembled VMOD-2 is laid onto any conductive surfaces, including anti-static workbench mats, etc.

2/. If your external power units are not protected by fuses (in all lines) there i s a risk of lines

being accidently shorted when the modules are pushed in/or pulled out of the rack. In particular their is a chance that lines from different external equipments can be shorted together or to the VMEbus system's frame ground if the solder side of the VMOD-2's BU2a and/or BU2b pins and/or the solder side of the piggyback ST2 or ST3 pins touch the front panel of the module already fitted in the adjacent slot.

3/. If the external voltages exceed 50 Vdc, personnel are exposed to risk of elect rical shock

from solder side of the piggyback and the VMOD-2, i.e. from solder pads under the VMOD-2 50-pin connector.

We also recommend that where possible no external power be present on the external connector when making/breaking the connection, as this can degrade the connectors life.

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VMOD-2/VMOD-2D

The recommended maximum cable length should be limited to 5 meters (~15 feet) to ensure minimum voltage drop/risk of cables becoming damaged/trapped, etc

Caution!

Ensure that the current ratings of the connected flat-band cables are never exceeded.

Installation

4.5 Front Panel Functions

The front panel of the VMOD-2 has only the 50-pin connector on it. The odd numbered pins of this connector are on the right side when looking at the connector from the VMOD-2's front (see figure 4.5 below). The even pins are on the left si de of the connector and the lowes t numbers for each (odd and Even) row are at the bottom ascending. Depending on where your VMOD-2 piggyback is fitted, you will need to use the lower half of this connector or the upper half.

The connector (front-panel connector onl y) is provi ded with a pol arizi ng keyw ay to ensure t hat the made up cable cannot be inserted up-side-down (therefore to the wrong piggybacks and with reversed connections) if at any time it has been disconnected. Two retainer/ejectors lock the connector into place and/or help to eject it during disconnection.

To help differentiate between cables for interfacing with differently configured VMOD/VMOD2s we recommend a drop of colored paint be placed on the back of t he connector and ont o the front panel of the VMOD to which this cable should fit. This could be very important and save considerable time later if reconfiguring your VMEbus system. Further, in very large systems, or where lot's of VMOD/VMOD-2's are in use, two drops of paint at the top and bottom of the connector and on the ends of the retaining latches could provide an at-a-glance confirmation of both piggyback types before making connections.

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VMOD-2/VMOD-2D

Figure 4-2: VMOD Standard front panel layout

Installation

Even pins

Pin 50

Pin 2

VMOD

Od d pi n s

Pin 49

Pin 1

The standard 3U high fascia may be replaced with a 6U (double height) front panel for use in 6U VMEbus systems. If making up your own double-height front panel, the VMOD must be so placed that it uses the upper connector of any desired VMEbus slot. Alterantly a suitable 6U fascia may be obtained fr om your local PepCard supplier, or even be specified for pre-assembled 6U VMOD-2 and/or piggyback configurations during the initial ordering stage.

4.6 Trouble-Shooting for VMOD-2/VMOD and VMEbus System

This section is intended to assist users of the VMOD-2 and/or some of it's piggybacks to quickly resolve any problems they may encounter in their application. It is by no means com-

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VMOD-2/VMOD-2D

Problem

Possible Ca use or Solu tio n

Action

prehensive, and relies upon the user feed-back to make us aware of any such experiences. Please also see similar table in the respective piggyback user's manual.

Installation

Table 4-1: Indications on Trouble-Shooting

None of the exte rnally connected devices have correct or expected function with the VMOD-2's outputs

The external interface connector connects to the wrong half of the front panel connector (i.e. pins 01 to 24 instead of pi ns 2 7 to 50 f or up p er p ig gyback position). Move piggyback to other location if this appears to be the case, and test from there before rewiri ng you r interface cabl e. a) the flat ribbon cable is fitted wrong way up into the IDC connector i.e Pin 1 is connected to wire #50, etc.

The piggyback ha s been ac cident ly set back one whole pin-row so only half it's output connectors are connected to the external inte rface an d it's inp uts are misconnected to the VMOD's logic interface/power. a) The piggyback was displaced in the BU1/0 and BU2 connectors by 180° If you have made such a connection then the VMOD-2 has been designe d that no damage to it or the piggyback should occur. Move the piggyback forward to the correct location and test for correct function. If the piggyback or VMOD-2 does become damaged through misconnections of this kind, the PEP warrantee is invalidated.

See Sect. 2.4 .3 for precise front panel pin-outs.

Check Physical configuration .

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Where opto-isolated piggybacks are used, your external supply has failed or has been turned off, gone into current limit, or has had a fuse failure.

Check PSU

Page 4 - 7Man. ID 03139, Rev. Index 0200

VMOD-2/VMOD-2D

Problem

Possible C aus e o r So lutio n

Action

Table 4-1: Indications on Trouble-Shooting

Installation

An unknown problem prevents the selected piggyback(s)/VMOD2 configuration from functioning.

If the VMOD-2 functioned before, and has been reconfigured for a new application/address/piggyback, steps 1 to 3 may help find/confirm the faulty area.

If the piggyback appears to function correctly with other VMOD-2s or in VMOD-2's other piggyback location the problem could be damaged or burnt out tracks which may not have used/ needed by the last piggyback fitted.

If the piggyback will not function with other VMODs or in VMOD's other location the problem is alm ost cer ta in ly du e to the piggyback or the application software.

1) Replace previo us known working configuration and try for correct fun ction of VMOD-2.

2) Put piggyback into other location on VMOD-2 or if available onto another VMOD/VMOD-2 module and test for correct piggyback function.

4.7 General Notes for Using the System

Having designed a fully-functioning system, the only thing that remains is to keep it in good health. The three biggest areas of risk to your system are at the following times:

• Connecting peripherals, disk-drives, printers, terminals and external power sources.

• Adding or changing modules, address settings and locations, etc.

• Becoming complacent and no t r ef erri n g to th e man ua l s when al te rin g o r adding modules.

The way to reduce these risk is;-

• to check the electrical compatibility of all devices which you intend to connect to your system, -

• to ensure that they are powered from the same mains supply branch (phase) and grounded to the same reference point, -

• to shut down all power before making or breaking any connections to

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VMOD-2/VMOD-2D

modules or attachments to the system, including power to the peripherals. -

• to observe sensible static protection procedures before handling any modules, piggy-backs or memory IC's.

• to keep all manuals handy, near to the system at all times and refer to them when the need arises.

Some Tips are:-

• PepCards are not over sensitive to static, but it is generally advisable to observe sensible procedures such as:

• When configuring the module do not take it out of the original packing unless necessary, the new clear packs may be o pen ed a nd th e jumpe rs set, piggybacks added, etc. without needing to remove the card. This also prevents you inadvertently shorting any on-board batteries, etc.

• When inserting modules into a system, just turn the power off, do not remove the mains lead!, as it's ground wire prevents the rack floating with dangerous static vo ltages, which could de str oy cir cui ts on the module you are trying to insert.

• Touch the front panel of the module you wish to insert, or the shell of the connector you wish to connect to any part of the rack , before fitting, to discharge any static from you the carrier.

• Disconnect an y leads connected to a module before undo ing it's front panel securing screws and pulling it out of the rack, put modules into the rack before connecting any front-panel connectors.

• Do not just pull modules straight out of a rack, check if they have cables to unplug behind t he front panel (suc h as the VSBC-1's 40-pin parallel on-board headers) and ensure that these cables if fitted have enough play to allow the modules concerned to be removed far enough to detach these cables.

• Park "pulled" jumpers onto one of the pins they would normally bridge, so they are available for quick replacement should the configuration change later.

• Remember to check the mains input voltage selector switch before installing or using any PSU!

• Fill out the configur ation card (in the ap pendix of this manual) with the up-to-date (latest) system configuration data , e.g . which modu le is fitte d where and what addresses they are set to, etc. and refer to this when investigating any problems or requesting any form of support from PEP or it's authorized agents.

Installation

If you wish you may copy the configurati on card, to write on the copy , keep a conf iguration hi story to return to, and keep the master clean for future use. Or you may choose to enter details in pencil, to enable erasures and corrections to be easily made.

In the event of any "mystery" problems, such as those where a card sent for repair is r e turned as having "no actual defect" or another tried card has the same symptoms. It is very often the actual configuration which has led to the "apparent fault". With the many thousands of combinations in which these cards could be employed, our repair department would never be able

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VMOD-2/VMOD-2D

to reconstruct the configuration which gives your problem credence, just by co-incidence. Therefore if you could send a copy of this configuration card, along with the module and it's repair request form, to the place of original sale, then, in the event the card passes normal test, we will (if n e cessary) be able to set up a configuration, similar t o yours, and test for sati sfactory function, or give expert advice on system configuration problems your layout has (or may) encountered.

Sometimes these are simple things, which can be resolved without any test or repair being necessary, such as moving an address so it does not clash with that used by another card. If we save time investigating the fault, then you save time and cost involved with unnecessary testing and "back and forth" shipping and enquiri ng later.

Installation

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VMOD-2/VMOD-2D

System Configuration Record

Annex

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VMOD-2/VMOD-2D

System Configuration Record

Us e thi s f or m to keep an up t o date r ecor d of your s y s tems conf i gur ati on

R ACK #

POW ER SUPPLY

MO DULE (O R T Y PE ) BAS E ADDRESS IRQ LEVEL & V ECT OR

MAKE

System Configuration Record

BACKPLANE JUMPERIN

BG0*

BG1*

POWER OUT PUT VOLTAGE INPUT

BG2*

BG3*

IAC K*

VMEb u s B AC KPLANE

SLO T 1

SLOT 2

SLOT 3

SLOT 4

SLOT 5

SLOT 6 SLOT 7

SLOT 8

SLOT 9

SLOT 10

SLOT 11

SLOT 12

SLOT 13

SLOT 14 SLOT 15

MAKE

SIZE

TERMINATION

SLOT 16

SLOT 17

SLOT 18

SLOT 19

SLOT 20

SLOT 2 1

IIOC BA CKPLAN E

FDD #0 FDD #1

HDD # 0

HD D # 1

SOFTWA RE USED

TYPE

SIZEMAKE

REVISION

FL OPPIES USED

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VMOD-2/VMOD-2D

System Configuration Reco rd

Us e thi s s i de to keep a n up to date r ecor d of your s ys tems exter nal y connected p er i pher al s

System Configuration Record

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Man. ID 03139, Rev. Index 0200

VMOD-2/VMOD-2D

VMOD-2 Board Layout

Annex

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VMOD-2/VMOD-2D

VMOD-2 Board Layout

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VMOD-2/VMOD-2D

VMOD-2 Schematics

Annex

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VMOD-2/VMOD-2D

VMOD-2 Schematics

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Kontron VMOD-2D User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual