Philips System 21 Quick Operating Manual

SYSTEM

4822

872

30319

1.

INTRODUCTION

21

QUICK

OPERATING

GUIDE

860415

The aim of this guide is full possibilities of System which contains all the details.

System

21

- one master function

functional units

-

IE

C-625

IE

EE

-488

I

0~

I

CONTROLLER

\

to

facilitate getting started with System

21

it

is necessary to consult the "System

consists of:

: performs System

(transparent) with

: perform

1/0

auxilary tasks such as switching, scanning,

etc.

,------------------,

I MAINS 1/0 1/0

I I

I

~

21

functional units.

SYSTEM

t

control and the communication

21

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t

21.

To

explore the

21

manual ",

1/0

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t

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I I I

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MASTER

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--

SYS

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21

BUS

----

FUNCT

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ST4701

PHILIPS

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I I I

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CONTENTS

1.

INTRODUCTION

2.

HOW

TO

INTERCONNECT THE UNITS

3.

ADDRESS SELECTION

4. ADDRESSING A MESSAGE

5.

COMMANDS

6.

READING

7. PROGRAMMING WITH IMMEDIATE EXECUTION

8.

PROGRAMMING WITH USE OF PRE-PROGRAMMING AND DIFFERENT EXECUTION MODES

8.1.

PRE-PROGRAMMING

8.2

. LOADING THE BLOCK-MEMORY

8.3.

CLEARING THE BLOCK-MEMORY

8.4

. INITIATE COMMANDS

8.5. HOW COMMANDS

8.

6.

HOW

8.

7.

PM-NUMBER ADDRESSED EXECUTION

8.

BLOCK-OPERATION

8.9

. SCAN FUNCTION

DATA

FROM

SYSTEM

TO

EXECUTE THE PROGRAMMED

TO

PROGRAMME A TRIGGER

21

OR

INITIATED FUNCTIONAL

9. HOW

10

. HOW

11.

PROGRAMMING

12.

ANNEX

TO

SEE

IF

UNITS ARE READY WITH THE PROGRAMMED

SEE

IF

UNITS

HAVE

DATA

AVAILABLE

FOR

THE EXPERTS

TASKS

2.

HOW

TO

INTERCONNECT THE UNITS

by clipping the units each other

Press here, while moving down the upper unit with the feet holes of the lower one.

release the button, by wich

Then the feet hook into the

with cable-set PM2192 by using Rack-mount PM2193

If more distance between the units is required the data-lines (data high twisted with data low) and the the synchronization

on

holes.

lines.

top of

in

the

How

to

clip the units together

(.5 m up

to

maximum

OV-

lines may be used, not

150 m), only

ST4698

3

3.

ADDRESS SELECTION

IEEE/IEC-bus address of the Master Unit

(selectable addresses

are

10

...

19) Warning: When an

even addresses is set, a Service Request

will occur after a power-on reset (not

maskable).

ST4699

Example

Unit address of

of a

PM2101

Functional Units

with IEEEIIEC-device address

(consists of 2 fixed, type number dependent, and a third

20

Example of a PM2120 with unit address

4

203.

11

(default address)

variable digit)

ST4700

4. ADDRESSING A MESSAGE

Any message to System the master unit.

Example:

IEC PRINT #11,"message"

or

OUTPUT sends the "message"

The routing of this message (to the master or to one of the slave units) is indicated by the first

This unit address is: "AID"

"AID" +3digits for the slave units.

These 3 digits consist of the set on the unit address switch.

Separation between unit address and the following commands is

than one command is sent in one string, the separated by commas.

Examples:

Message

"AID;command" ''AID203;command,command'' commands to the unit

711;

element of the message, the "unit address".

21

is of course preceded by the IEEE/IEC address set on

using P2000C

"message"

to

System

for the master (Additional Instrumentation Devices).

last two digits of the type number of the unit + 1 digit

Description

routes a "

set to 3

using HP85

21

with IEEE/IEC address

individual commands have to be

command"

11.

";" or

to the master routes

PM2120 with address switch

",

the

".

If more

two

5

5.

COMMANDS

Commands are given

1.

Commands for the total System

2.

Commands for individual units that must be routed

full survey of these command codes can be found

A commands and the

individual units (for specific unit dependent commands).

Examples:

Message Description

"AID;RESET" is a message to the master (AID) with the command

"AI 0201 ;CLOSE2,0PEN4"

6.

READING

To

input data from System

to be sent and after that the system has

Example:

on P2000C on HP85

100

IEC

110

PRINT

IEC INPUT #11,R$

DATA

#11,"AID311;1NP

in

ASCII-coded form. There are two types of commands:

21

that have

slave commands valid for all slaves) and in the operating cards of

(RESET) to reset the system to the power-on conditions. is

a message to the slave PM2120 with address setting 1 (AID201) with the commands open switch 4.

FROM

SYSTEM

21,

H"

21

first a command message requesting for this data has

100 110

to

be addressed

OUTPUT

ENTER

to

be routed to the master unit.

in

the annex (for master

to

as

711;"AID311;1NP

711;R$

to

the specific unit.

close switch 2 and

talker to read the data.

H"

to

The first message is a request to the

the data, which is

from the system.

Note: An input statement always returns the result

Earlier sent requests are automatically cancelled.

on

the input lines. With the second statement the data are read

6

PM2131

with address switch set to 1

of

the last request for data.

to

send

7.

PROGRAMMING WITH IMMEDIATE EXECUTION

In

the default position after power-on, System immediately in the order and straightforward way of programming, involving a limited number of commands , of which the most important are given

Function Message Description

System Reset "AID; RES" Unit Reset

Operating Mode

Functional Command

Remarks :

1. The codes for the functional commands are unit dependent and can be found on the operating cards of the units.

2. After a command requesting for the return of data,

addressed as

3. A power-on system reset can on

the master unit (not allowed during a running program).

in

which they are programmed. This

"AIDnnn;RO"

"AIDnnn;Mm"

"AIDnnn;cmd,

talker to input the data into the controller.

..

,cmd"

also be realised

21

executes incoming commands

below.

Resets the total System power-on conditions . Resets slave with unit address "nnn" to the power-on conditions. Sets slave operating mode

of

cards Sends unit with address

the units).

the commands

by

is

the most simple

with address

"Mm"

(see operating

"cmd"

"nnn

".

System

21

pushing the RESET button

21

to the

"nnn"

must be

in

to the

7

8.

PROGRAMMING WITH USE DIFFERENT EXECUTION MODES

8.1. PRE-PROGRAMMING

OF

PRE-PROGRAMMING AND

Each slave unit has a block-memory used repetitively) can each of which can contain up recalled from the memory positions serially or randomly by using INITIATE commands (see

8.4.).

be

pre-loaded. This block-memory has 20 memory positions,

in

which functional commands (that have

to

a full slave setting. The commands stored, can be

8.2. LOADING THE BLOCK-MEMORY

The block-memory is loaded

"Pn"

indicating the memory position

Examples:

"AID201;P3,CLOSE

"AID201;PO,CLOSE 0-9;P1,0PEN

O,OPEN

by

sending the commands to

at

which the data have

5" functional commands "CLOSE

10-19

5"

are stored

3

(P3).

" "CLOSE 0-9" is stored

position block-memory position 1

in

block-memory position

0

(PO),

"OPEN

8.3. CLEARING THE BLOCK-MEMORY

The block-memory It also can be cleared memory can be cleared commands).

Examples:

is

automatically cleared

by

sending "AIDnnn;R2". Individual positions of the block-

by

sending 'empty' commands

at

reset or at a mode change of the unit.

("Pn"

be

stored, preceded by

to

be

stored.

O,OPEN

in

block-memory

10-19" in

(P1).

not followed by

to

be

"AID218;P10" "AID218;P10-15"

"AID218;R2"

8

clears block-memory position clears block-memory positions clears the total block-memory with general slave command "R2".

10. 10

up

to

incl.

15.

Philips System 21 Quick Operating Manual

Specifications and Main Features

Frequently Asked Questions

User Manual