Philips Aleron Series 2-1 Manuale dell'operatore

SYSTEM

QUICK

OPERATING

GUIDE

4822

872

30319

860415

INTRODUCTION

The aim of this guide is

facilitate getting started with System

21.

explore the

full possibilities of System

is necessary to consult the "System

manual",

which contains all the details.

System

consists of:

-one master function

-functional units

: performs System

control and the communication

(transparent) with functional units.

: perform auxilary tasks such as switching, scanning,

1/0

etc.

SYSTEM

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

C-625

I MAINS 1/0 1/0

1/0

I I

-488

I I

\ I

----

---

r--

I [ :

r--

CONTROLLER I MASTER I

I FUNCT

IONA

L UNITS (SLAVES)

SYS

TEM

BUS

--------------

ST4701

PHILIPS

CONTENTS

INTRODUCTION

HOW

INTERCONNECT THE UNITS

ADDRESS SELECTION

4. ADDRESSING A MESSAGE

COMMANDS

READING

DATA

FROM

SYSTEM

7. PROGRAMMING WITH IMMEDIATE EXECUTION

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

EXECUTE THE PROGRAMMED

INITIATED FUNCTIONAL

COMMANDS

HOW

PROGRAMME A TRIGGER

PM-NUMBER ADDRESSED EXECUTION

BLOCK-OPERATION

8.9

. SCAN FUNCTION

9. HOW

SEE

UNITS ARE READY WITH THE PROGRAMMED

TASKS

. HOW

SEE

UNITS

HAVE

DATA

AVAILABLE

11.

PROGRAMMING

FOR

THE EXPERTS

12.

ANNEX

HOW

INTERCONNECT THE UNITS

by clipping the units

top of

each other

Press here, while moving down

the upper unit with the feet

the

holes of the lower one.

Then release the button, by wich

the feet hook into the holes.

with cable-set PM2192

by using Rack-mount PM2193

ST4698

How

clip the units together

If more distance between the units is required

(.5

maximum

150

, only

the data-lines (data high twisted with data low) and the

OV-

lines may be used, not

the synchronization lines.

ADDRESS SELECTION

IEEE/IEC-bus address of the Master Unit

(selectable addresses

are

...

19)

ST4699

Warning: When an

even addresses is set, a

Service Request will occur

after a power-on reset

(not maskable).

Example of a

PM2101

with IEEEIIEC-device address

(default address)

Unit address of Functional Units

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

ST4700

Example of a PM2120 with unit address

203.

4. ADDRESSING A MESSAGE

Any message to System

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

the master unit.

Example:

IEC PRINT #11,"message"

OUTPUT

711;

"message"

using P2000C

using HP85

sends the "message"

System

with IEEE/IEC address

11.

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

by the first element of the message, the "unit address".

This unit address is:

"AID"

for the master (Additional Instrumentation Devices).

"AID" +3digits for the slave units.

These 3 digits consist of the last two digits of the type number of the unit + 1 digit

set on the unit address switch.

Separation between unit address and the following commands is ";" or

If more

than one command is sent in one string, the individual commands have to be

separated by commas.

Examples:

Message Description

"AID;command" routes a "

command"

to the master routes

the

two

''AID203;command,command'' commands to the unit PM2120 with address switch

set to 3

COMMANDS

Commands are given

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

Commands for the total System

that have

be routed to the master unit.

Commands for individual units that must be routed

the specific unit.

A full survey of these command codes can be found

the annex (for master

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

the individual units (for specific unit dependent commands).

Examples:

Message Description

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

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

"AI0201;CLOSE2,0PEN4"

a message to the slave PM2120 with address setting 1

(AID201) with the commands

close switch 2 and

open switch 4.

READING

DATA

FROM

SYSTEM

input data from System

21,

first a command message requesting for this data has

to be sent and after that the system has

be addressed

talker to read the data.

Example:

on P2000C on HP85

100

IEC

#11,"AID311;1NP

100

OUTPUT

711;"AID311;1NP

110

IEC INPUT #11,R$

110

ENTER

711;R$

The first message is a request to the

PM2131

with address switch set to 1

send

the data, which is

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

from the system.

Note: An input statement always returns the result

the last request for data.

Earlier sent requests are automatically cancelled.

PROGRAMMING WITH IMMEDIATE EXECUTION

the default position after power-on, System

executes incoming commands

immediately in the order

which they are programmed. This

the most simple

and straightforward way of programming, involving a limited number of commands,

of which the most important are given below.

Function Message Description

System Reset "AID;RES" Resets the total System

to the

power-on conditions.

Unit Reset "AIDnnn;

" Resets slave with unit address "nnn"

to the power-on conditions.

Operating Mode "AIDnnn;Mm" Sets slave with address

"nnn"

operating mode

"Mm"

(see operating

cards

the units).

Functional Command "AIDnnn;cmd,

,cmd" Sends the commands

"cmd"

to the

unit with address

"nnn

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, System

must be

addressed as talker to input the data into the controller.

3. A power-on system reset can also be realised

pushing the RESET button

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

PROGRAMMING WITH USE

PRE-PROGRAMMING AND

DIFFERENT EXECUTION MODES

8.1. PRE-PROGRAMMING

Each slave unit has a block-memory

which functional commands (that have

used repetitively) can

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

each of which can contain up

a full slave setting. The commands stored, can be

recalled from the memory positions serially or randomly by using INITIATE

commands (see

8.4.).

8.2. LOADING THE BLOCK-MEMORY

The block-memory is loaded

sending the commands to

stored, preceded by

"Pn"

indicating the memory position

which the data have

stored.

Examples:

"AID201;P3,CLOSE

O,OPEN

5" functional commands "CLOSE

O,OPEN

are stored

block-memory position

3 (P3).

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

10-19

" "CLOSE 0-9" is stored

block-memory

position 0

(PO),

"OPEN

10-19

block-memory position 1

(P1).

8.3. CLEARING THE BLOCK-MEMORY

The block-memory

automatically cleared

reset or at a mode change of the unit.

It also can be cleared

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

memory can be cleared

sending 'empty' commands

("Pn"

not followed by

commands).

Examples:

"AID218;P10"

"AID218;P10-15"

"AID218;R2"

clears block-memory position

10.

clears block-memory positions

incl.

15.

clears the total block-memory with

general slave command "R2".

8-4. INITIATE COMMANDS

With initiate commands, it is possible to recall the functional commands from the

block-memory. There are two possibilities:

Random recall: One can recall (initiate) any block-memory position. This is done

where n (

19)

is the memory position to be initiated.

Serial recall: This is used with

"Block

Operation". For a description with

example see

8.8.

Example of a random recall at unit address

213:

"AID213;1

Block-memory position 2 is initiated.

The initiating of commands from the block-memory is comparable with direct

programming. It does not automatically conclude that these commands are also

executed. Execution only follows when execution conditions are met (see next part).

8.5- HOW

EXECUTE THE PROGRAMMED OR INITIATED

FUNCTIONAL COMMANDS

In the default position of the system, the execution of commands sent to the slaves

is immediately after receipt of the individual commands. This is the "Execute

Unconditional" mode.

enable synchronisation of actions within a slave

between different slaves, two further execution modes are available:

-"Execute on

where programmed or initiated commands are simultaneously

executed on the first following character

"X"

received by the slave.

"Execute on Trigger" where programmed

initiated commands are executed on

next trigger-impulse

the System

internal trigger line (see

8.6).

These execution modes of the individual slaves can be programmed by

the

following commands (example with unit address

312)

Command Description

AID312

;

E~U

Execute Unconditional mode

AID312;E~X

Execute on command "X" mode

AID312

;

E~T

Execute on Trigger mode (see

8.6)

8.6. HOW

PROGRAMME A TRIGGER

(impulse on the trigger-line of the System

bus)

This can be done with

System

master command

AID;XCU~T

IEEE-bus command GET (Group Execute Trigger)

Examples:

Using on P2000C on HP85

master command

IEC

#11

"AID

;

XCU~T

OUTPUT

711

;

AID

;

XCU~T

IEEE command GET

IEC

TRIGGER #

TRIGGER

711

8.7. PM-NUMBER ADDRESSED EXECUTION

When only a group of identical units have to receive an execute command this can

be done by the command "AID;XCU nn" addressed to the master (see also 8.9.

"Scan Function").

"nn"

stands for the last two digits of the slaves type number. This

execution command

independent of execution mode setting.

Example:

"AID;

XCU

20"

All PM

2120

units will execute their received commands (also initiate

commands), independent

the execution modes selected.

8.8. BLOCK OPERATION

Block operation is the sequential execution of functional commands stored on

successive positions

the block-memory, always starting with position 0 (serial

recall from memory; see also

8.4).

Block operation is initiated

command "AIDnnn;

I~B

[,n)". The section enclosed within ( ] is optional.

"n"

represents

integer

value 0 ..........

indicating the last block-memory position to be executed. Omitting

the value "n", the default value will be

19.

After that, execution can be performed

step by step by giving

"X"

or a trigger command, depending

the execution mode

selected,

a PM-number addressed execution command (see

8.7.).

The Execute

Unconditional mode is not allowed for block operation. "Block operation, once

initiated, may only be followed by execution commands or request commands

(commands with

"?")

. All other commands will cancel block operation.

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