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 I

I

~

21

functional units.

SYSTEM

t

control and the communication

21

~

t

21.

To

explore the

21

manual ",

1/0

~

t

I

I

I
I
I

I

MASTER

I
I

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__

--

SYS

TEM

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

A

[ :

I

21

BUS

----

FUNCT

----

IONA

L UNITS (SLAVES)

---

r-­r--

_j

ST4701

PHILIPS

I

I

I

I

I

I
I
I

I
I

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.

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

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.

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

by

"I

n"

Serial recall: This is used with

where n (

example see

8.8.

=0 ...

19)

"Block

is the memory position to be initiated.

Operation". For a description with

Example of a random recall at unit address

"AID213;1

2"

The initiating of commands from the
programming.

It does not automatically conclude that these commands are also

213:

Block-memory position 2 is initiated.

block-memory is comparable with direct

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

8.5- HOW

TO

EXECUTE THE PROGRAMMED OR INITIATED

FUNCTIONAL COMMANDS

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

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

mode.

To

Unconditional"

enable synchronisation of actions within a slave

between different slaves, two further execution modes are available:

- "Execute on
executed on the first following character

"Execute

next

trigger-impulse

X"

where programmed or initiated commands are simultaneously

on Trigger" where programmed

on

the System

"X"

received by the slave.

or

21

initiated commands are executed on

internal trigger line (see

8.6).

These execution modes of the individual slaves can be programmed by

following commands (example with unit address

312)

:

Command Description

"

AID312;E~U

"

AID312;E~X

"

AID312;E~T

"

"

"

Execute Unconditional mode
Execute on command "X" mode
Execute on Trigger mode (see

8.6)

or

the

9

8.6. HOW

TO

PROGRAMME A TRIGGER

(impulse

on the trigger-line of the System

21

bus)

This can be done with

System

21

or

master command

IEEE-bus command GET (Group Execute Trigger)

"

AID;XCU~T

"

Examples:

"

on HP85

OUTPUT
TRIGGER

711

711

Using on P2000C

IEC

master command
IEEE command GET

PRINT

IEC

TRIGGER #

#11

,

"AID;XCU~T

11

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

"Scan Function").
execution command

"AID;XCU nn " addressed to the master (see also 8.9.

"nn"

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

is

independent of execution mode setting.

Example:

"AID;

XCU

20"

All PM

2120

units will execute their received commands (also initiate

commands), independent

on

the execution modes selected.

8.8. BLOCK OPERATION

Block operation is the sequential execution of functional commands stored on
successive positions

from memory; see also

recall

I~B

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

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

value "n", the default value will be

the
step by step by giving
selected,

or

a PM-number addressed execution command (see

at

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

8.4).

Block operation is initiated

19

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

"X"

or a trigger command, depending

19.

After that, execution can be performed

"n"

represents

by

command "AIDnnn;

on

the execution mode

8.7.).
Unconditional mode is not allowed for block operation. "Block operation, once
initiated, may
(commands with

only be followed by execution commands or request commands

"?")

. All other commands will cancel block operation.

10

;

"

AID;XCU~T

an

integer

The Execute

"

Example with unit address 200:

"

AID200;E._)(,I~B,5,X

"

"AID200;X"

8.9. SCAN FUNCTION

Execute on
the first,

"X"

mode, initiate block operation and execute

block-memory position.
Execution of second position
position

5.

etc.

up

to

and including block

(Available only
The scan function is used for the

scan-cycle can be executed over channels of several units

in

some slave units)

sequential select of inputs, switches, channels. A

on

the condition that:

All units are of the same PM-number.
All units are set for the same operating mode (see the System
the operating cards of the

in

No unit is
The units have

Execute Unconditional mode (see

successive-addres.~s

The scan is initiated by the command "AID nnn;l s

slave units).

-

8.5)

.

with settings starting at

;;

,'

~h~te

'

rtnn

slave address. The execution is done with a number of execute commands or
triggers

equal

to

the number of channels

to

be scanned. Under the above

conditions a scan cycle will start with the lowest channel number of the unit with

to

address-switch set
initiated, may not
commands

will cancel the scan.

zero and continue along all channels and units. A scan , once

be

followed by other than execution commands. All other

Example:

"

AID200;E._)(

"AID201;E._)(,I~S"

"

AID202;E._)(,I~S

,

I~S

"

"

Initiate

a scan on PM2120 units with

addresses

200,

201

and 202.

Repetitively:

;X

CU

"AID

20"

Execute

to

all PM2120 units. The scan starts with
lowest channel of unit 200, and steps along all
channels

with the successive execute commands.

21

manual and

0.

r,ep~e.sents

the

11

9.

HOW

TO

SEE IF UNITS ARE READY WITH THE PROGRAMMED TASKS

Default, the slaves pull the ready-line low as long as the programmed actions are
not finished. However each slave can be disabled to

pull the ready-line

low.

Command

"AID213;R~E"

"AID213;R~D"

The state of the ready-line can be read by the master command
Addressing System

"AID;RDY
"AID;RDY

10. HOW

Command

"AIDnnn;S

0"
1"

If more than one slave controls the
the different

ready·fsee System

are not

TO

SEE IF UNITS

The most appropriate
command:

?"

The response is "AIDnnn;S
availability (see

21

slaves..wtttr'1tf!Jnnn;S ?" to see which ones are ready and which ones

System

Description

ready-line control enable (default): unit
the ready-line low when not ready.
ready-line control disable: unit

the ready-line low (keeps ready passive true).

as

talker will give

ready-line is low: the unit(s) are not ready.

ready-line is high: the unit(s) are ready.

21

manual).

HAVE

way

to check for data availability at a unit is by the following

Description

ask for the status of unit with address "nnn".

"+

< 9 digits

21

manual).

as

response:

rea.4-~

DATA

AVAILABLE

>,

where digit number 5 represents data

trnor

213

213

will never pull

"AID;

ROY

user

can appry a status request to

will pull

?".

12

11.

PROGRAMMING

System

21

offers

FOR

THE EXPERTS

an

extensive range of further facilities such as:

Service Request for several reasons, which can
Identification of

Configuration request

Status information of the master

Test

routines

A description of the use of above facilities is beyond the scope of this quick
operating guide .
study of the

System

21

master and slave units

to

see which unit addresses are present

as

• power fail

• address not present

• unit busy

• end of block or scan

• warning flags of slave units

• selected modes

• data available

To

explore all these possibilities of System 21, a more detailed

System

21

manual is required.

well the slaves such

be

masked separately

as:

13

12. ANNEX

A summary of commands with descriptions is given below. The headings indicate
the functions
command
given for
except for the Group Execute Trigger and the Serial Poll commands where the
complete statements are given, because of the different command structure.
Defaults are given where applicable. The last column gives the section number
where the function is mentioned or
"Sys.M"

mentioned, it is referred
the command syntax, a space-character is necessary for command recognition.
Where a space

Default

IEEE/IEC address of
Unit address of slaves

Command level

0

IEEE/IEC-interface

Master

0

Slave

•

Function I Command

to

which the commands are related. The left column gives the

level

to

P2000C and HP85, the commands shall be filled

is mentioned,

addresses

which each command is applicable.

it

is referred to the System

to

the Operating Card of the slave. Where

is

given (for readability), it is optional.

PM2101

Statement

IEC

PRINT #11,"cmd" OUTPUT 711;"cmd"
IEC PRINT #11,"AID;cmd" OUTPUT 711;"AID;cmd"
IEC PRINt

Description Default See

handled

11

nnO

on

# 11,"AIDnnn;cmd" OUTPUT

in

this Quick Operating ·Guide. Where

21

Address switch
Address switch

are the last 2 digits of PM-number.

P2000C Statement on HP85

In

the following statements

in in

the place of

manual; where "Op.Crd" is

in

position

in

position

711;

"~"

"AIDnnn;cmd"

"cmd"

is given

1.

0.

nn

in

14

0

•

•

•

Reset

"RES"

"

RO"
"R1"
"R2"

RESet the complete System 7

to

the power-on conditions.
Reset unit
Reset unit
Clear the block memory
of the unit.

as

after power-on 7

as

after mode change .

Sys.M

8.3

Function I Command Description Default

Operating mode

"Mn"

•

Functional command (slave command)
"CLOSE

•

Pre-programming
"Pn, cmd, ... , cmd" Functional commands

•

Block-memory clear memory

"Pn"

•

"Pn-m"

•

"R2"

•

Initiating
"In"

•

"I

•

"I~S"

•

Set trigger mode

"

TRG~R

0

0

"TRG~U"

~B

1"

[,n]"

"

Select operating mode n .

Example of a functional 7
command. These commands are
unit specific and are
in

the operating cards of the

different

"cmd, ... . ,

memory position n

Clears memory position n .
Clears
including m, where
O<=n<m<=19
Clears all memory positions.

Initiate block-memory position n

Initiate block
including memory position
Initiate a scan (see "scan
function).

TRiGger if Ready mode: enable
the trigger-commands GET and
"XCU T" only when the ready­line
trigger command
line becomes true.
TRiGger Unconditional mode: "TRG
the trigger-commands GET
"
rate

slave units.

cmd"

memory position n up

is

true or delay the received

XCU

T" will unconditionally gene-

an

impulse

only handled

are stored

(n=0

...

.

operation, up

until the ready-

on

the trigger-line.

on

19).

to

n.

and

to

and

cleared

R"

See

7

8.1

8.2

8.3

8.3

8.3

8.1

8.4

8.4/

8.8

8.9

Sys.M
Sys.M

Sys.M

15

Function I Command

execution mode

Set

"E~U"

•

"

E._)("

•

"E~T"

•

Trigger and execute commands
"X"

•

IEC TRIGGER #

0

TRIGGER

0

"

XCU~T

0

"XCU

0

Block operation

"

1~8

•

nn"

[,n]"

"

711

11

J

Description

Execute Unconditional mode.
This mode is not allowed for
block and scan operations.
Execute on command
Execute on trigger mode (low
impulse on the trigger-line).

eXecute (if in " E
Statements for P2000C and HP85
to generate a
cute Trigger). Generates a
on the System
enabled (see
eXeCUte the units by a pulse on
the System
enabled (see "Set trigger mode").
eXeCUte all units with "PM21nn"
numbers independent on the
execution mode of the units. This
command is

"I~S"

scan by more than one unit of the
same type number.

Initiate block operation,
and including memory position n.
This command is to be
by a repetitive execute command.
Each execute command executes
the present
position and initiates a next one.
The Execute

"

E~U

GET

"Set

21

useful when using

commands to perform a

block-memory

Unconditional mode

"

is not allowed here.

"X"

X"

mode).

(Group Exe-

21

trigger-line if

trigger mode"

trigger-line if

up

followed

mode.

pulse

to

Default

"E

).

U"

See

8.5

8.5

8.5

8.5

8.5

8.5

8.6

8.6

.6

8

8.7

8.8

8.8

.

16

Function I Command

Scanning

"

I~S

•

•

D

D

D

•

D

D
D

0

•

D
D

•

"

Request f
"?"

Setting separators
"SPA

"BSP n"

Request Identity data

"

ID

"I?"
Request Configuration
"AID

Request Status

IEC

S=SPOLL

"

STA

"S ?"

Test

"

TSI~U

"

TSI

"T n"

un

n[,m]"

?"

?"

POLL #11,S

(711)

?"

"

" +CHR$(1-

Description

Initiates a scan. This command is
to

be

followed by a repetitive
execute command.
cute command the next channel,
switch or
Execute

"

E~U

ctional data Sys.M

Request for functiona l data. The 61
kind of data is determined
previous command.

cases the

n and m (optional) are the "SPR 10"

decimal values of the !SO-codes
to

m
n is the decimal value of the

code

n <

Identity of PM2101+HW and

rei.
Identity

Which unit addresses

See "Serial Poll".

]

Status
Status

70)

Test

Test

Perform test

I/O-line is selected. The

Unconditional mode

"

is not allowed here.

"?

be the record separator. n and

< 32 and #

to

be

the block separator.

32

and #

of

slave

data of System
data of slave ? Op.Crd

IEEE/IEC-interface.
IEEE/IEC-interface.

On

In

" is optiona

27

(ESC).

27

(ESC).

+HW

are

n.

each

many

l.

and

present?

21

?

by

SW

Default See

8.9

8.9

exe-

the Op.Crd

PM2101

. S

..

"

PM2101

PM2101

Sys.M
PM2101

Op.Crd
Sys.M
Sys.M

PM2101
PM2101
Sys.M

PM2101
PM2101

ISO

- "BSP 10"

SW

rei.

=

LF

=

LF

"

PM2101

"

PM21

... S .. "

17

Function I Command
Service Request masking

"MSR

D

n"

Description

Mask Service Request with

decimal value

n=

0 ....

511

Default

"MSR

0"

See

PM2101

0

Mask-values:

decimal
value

"MSK"+

digits:

values may be added to enable

more conditions to generate

Service Request when:

enable

256

128

16
<digits>

PM2101
A System
PM2101

Mask System

is no longer BUSY

21

received

(maximum 9 digits). A zero digit
disables the corresponding event
to generate a

"1"

A slave had a power fail,
received a power-on reset or

an

received

illegal code or illegal

sequence.

"

2"

An addressed module is not
present.

"3"

All units became ready
performing the programmed
actions.

''4''

All units are ready with the
received data and may receive
new data.

"5"

"6"

A unit has data available.
All units are ready with the
block or scan.

"7" A unit has a warning.

"8" The ready-line became high

(ready true)

"9"

A trigger-pulse was captured
the trigger-line.

event occurred

an

illegal code

21

events

Service Request.

SRQ.

on

"MSK

"0

"

"0"
"0"
"0"

"0"

"

0"

"0"

"0"

"0"

0"

Sys.M

18

Function I Command Description Default See

Poll

Serial

D

IEC

POLL

#11

D

•

•

0

0
0

•

0

•

•

0
0
0

•

0
0

Additional

"BBS
"

S=SPOLL

Ready-line

"

R~D

"

"

R~E

"

"

ROY?

"

Sequential

"

SEQ~ON

"

SEQ~OFF

Request

"M ?"
"

TAG?

"

"E

?"

"R ?"

"MSK ?"
"

SEQ?

"

"DMP ?"
"D ?"

?"

DAV

?"

,S Statement to perform Serial Poll

(711)

control/read

execution

"

"

settings I modes

requests;

on

P2000C; status byte returned

inS

.
Statement
on
inS.

Ready-line control disable.
Ready-line control enable.
Logic state

Sequential execution. "SEQ ON"
Parallel execution possible .

Actual
Trigger mode of master ? "
Execution mode of slave ?
Ready-line control mode ? "R E"
System
SEQuential
Dump data

Dump data of slave ?

warning:

Which unit addresses are Busy
with a Block or a Scan ?
Which unit addresses have

Available?

to

HP85; status byte returned

perform Serial Poll

of

the ready-line ? "

operating mode

21

event mask ? "MSK 000000000"

execution mode ?

of

master ?

slow

responses

of

slave ?

"R E"

ROY

TRG

"E U"

"

SEQ ON"

"MSK 000000000,
TAG R,SEQ ON"
"M.,E U, R E"+

< functional

DAta

~

1"

R"

PM2101

PM2101

PM2101

9

9
9

9

Sys

.M

Sys.M
Sys.M

Sys

.M

settings>

Sys.M

10

19

DATA-

AND STATUS-REQUEST COMMANDS WITH RESPONSES

A summary of all request commands for output- and status-data with the
corresponding responses is given
to

which each command is applicable.
and HP85, the commands shall be filled
command
data.
"AID;", those from the slaves are preceded by "AID nnn; ".

Command level

D

IEEEIIEC-interface
Master

0

Slave

•

shall

be

All responses, mentioned

followed by

Statement on P2000C

IEC
IEC
IEC PRINT

below. The left column gives the command level

In

the followi

an

in

PRINT #11,''
PRINT #11,''

in in

INPUT/ENTER command

the summary, from the master are preceded by

cmd"

AID;cmd"

# 11,''AIDnnn;cmd" OUTPUT

ng

the place of "cmd". The request

statements given for P2000C

Statement on HP85

OUTPUT
OUTPUT

I "nnn" represents the unit address of the addressed slave

Requested data Command data Description

Functional data

•

Response:

0 Data available

Response: "

Example: "DAV

Ready-line

0

0

Response:

Busy Block or Scan

Response:

Example:

Response data

"?"
< slave data> These data are specified

DAV

?"

"

DAV

" + < addresses> List of addresses of all units which

310,311,312

"ROY?"
"

ROY

0"

"ROY 1"
"BBS ?"

"BBS" + < addresses>

210,211,212

"BBS

Request for functional data.

operating cards of the units.
Request for the unit addresses

which have DAta

,''

have data available.

Warning: The master will poll all

PM-numbers,

few seconds maximum.

Logic state of the ready-line ?
if ready-line is low (ready false)
if ready-line is high (ready true).

Which units are Busy with

Block or a Scan ?

a

all units which are Busy

List of

,'' with a Block or a Scan.

to

read the requested

711

,''

cmd"

711

,''

AID;cmd "

711

,''

A1Dnnn

in

Available.

which may take a

;cmd "

the

20

Requested data Command data Description

~

•

0

•

•

0

!ingmode

Response:

Example:

Trigger-mode

Response:

Execution mode

Response:

Ready-line
control mode

Response:

Event mask

Response:

digits:

Response data

"M

?"
"Mn"
"M2"

"

TAG?"

"TAG

R"

"TAG

U"

"E

?"

"E

U"

"

EX"

"E

T"

"R

?"
"R E"
"R D"

"MSK ?"
"MSK "+ <9 digits>

"1"

"2"

"3"

"4"

"5"

"6"

"

7"

"8"

"9"

Ask current operating mode .
Mode n
Selected

Read current trigger-mode.
Trigger if ready mode.
Trigger unconditional mode.

Ask current execution mode.
Execute Unconditional mode.
Execute
Execute

Ask ready-line control mode.
Ready-line control Enabled.
Ready-line control Disabled.

Read current System

mask. Indicates which events set
the abnormal bit (AB) together with
the EF3 bit
A slave had a power fail, received
a power-on reset or received
illegal code or illegal sequence.
An
present.
All units became ready performing
the programmed actions.
All units are ready with the
received data and may receive
new data.
A unit has data available.
All units are ready with the block
or scan.
A unit has a warning.
The ready-line became high (ready
true).
A trigger-pulse was captured
the trigger-line.

is

selected.

operating mode

on

"X" mode.

on

trigger mode.

in

the Serial Poll byte.

addressed module is not

21

2.

event

an

on

21

Requested data Command data Description

0 Identity

Response:
Example: "PM21010 S0

Identity

•

Respons
Example: "

L Configuration

0

0

•

Response:

Example: "

Sequential mode

Response:

Dump data of
master

Response:

DumR data of slave

Response: < operating mode> +

Response data

"

ID

?"

"PM2101h Snn"

1"

"I?"

"PM21nnh Smm" PM21nn hardware version " h" with

e:

PM21310

"

AID?

"

AID

< unit adresse

AID

"

SEQ?
"SEQ ON" Sequential mode on.
"SEQ OFF" Sequential mode off.

"DMP
the master.
< event mask> +
<trigger mode > +
<sequential

"D ?" Ask tor the programming data of

< execution mode> +
<ready-line mode> +
<funct.

S01

"

"

" +

200,

s>

301

,"

" Sequential execution

?"

mode>

settings >

Ask tor the IDentity of the

PM2101

software

PM2101

with sotware release
Ask tor the Identity

functional unit.

software
PM2131
with software release 01.

Which addresses present?

List of all available addresses
PM2120
PM2130 with unit address 1 are
present.

Warning: The master will poll all

PM-numbers,
seconds maximum.

Ask tor the programming data of

See above.

the
Can be used to reprogram the
unit with the same settings.

hardware version "h

release "

hardware version 0,

release "mm".

hardware version 0

with unit address 0, and

slave.

nn"

01.

of

which may take a few

ON

PM2101

.

",

with

the addressed

or

OFF ?

22

Requested data

System

0

21

status

Response:

digits:

Example:

Command data
Response data

"

STA

?"

"STA" +

<9
"1" Master detected a power-on reset.
"

2"

"3" A unit is busy.

"

4"

digits>

"5"

"6" One

Description

Request system

The addressed unit was not
present.

A unit is not ready with the
received data.
A unit has data available and
should be read.

or

more units are busy with a

block or scan.

21

STAtus.

"7'' A unit has a warning.

"8"

"9"

STA

"

103056700"

The master detected the ready­line high; ready is true (available
on PM

2101
on all masters).
The master captured a trigger pulse
on the trigger-line (available on
PM2101
masters).

Digits
cleared when read.
A digit which is

related message is not true.

the

master; not available

master; not available on all

"1

", "2",

"8" and "9" are

"0", indicates that

23

Requested data

Slave-status

•

Response:

Digits:
(flags)

Command data
Response data

"S ?"
"S "+

<9

digits>

"1" Power-on reset or power fail.

"2"

"3"

"4"

"5"
"6" Busy with a block or a scan.

"7"

"8" Warning 2 specified per unit
"9"

Description

Ask for the status of the unit.
A non-zero digit represents one of
the messages given
digit means that the message
belonging
digit

Alarm
This event
the
but this masks all System
events.
Illegal
error).
Functional commands are
cancelled because of
command sequence.
Data available; unit should

Warning 1 J

Warning 3
The message -

"5" and "6
"S ?" with the next IEEE/IEC-bus
input.

to

in

the string, is

(not applicable

can

"MSR ''command (" MSR

code received (programming

",

below. A zero

the position of the

not

true.

to

only

flags, except digits

are

all units).

be

masked by

an

illegal

reset after

21

be

128

read.

")

24