Philips PM2120 User manual

SYSTEM

UNIVERSAL SWITCH

4822 872 30324

1. GENERAL

PM2120

851120

The PM2120 programmable Universal Switch provides the following features.

20 individual ON/OFF switches with one common contact per pair.

change over switches, make-before-break or break-before-make mode.

2. TECHNICAL DATA

Cross talk isolation

Series resistance

Isolation resistance

Open contact

Frequency range

Max. switching voltage

Max. switching current

Max. switching power (Resistive load)

Max. common mode voltage between

any two terminals and between any

terminal and the System

bus

Supply voltage

Supply current

User 1/0 terminal

Relay SIYilching time

Time from matching the execution

condition to all relays settled

Settling time after power

Make-before-break switching time

Break-before-make switching time

>60dB

(DC to

1OOkHz,

R0 =

500)

<0.5Q

>1o9o

100kHz

30Vrms (DC to

1OOkHz)

200mArms (DC

100kHz)

10VA

(DC

or peak

AC)

30Vrms or 42Vdc

7,5-16Vdc (powered out of the master module)

Typ. 125mA; Max. 225mA

Type

F161

female, 37 contacts

dimensions according to MIL-C-24308

<10ms

<25

<50ms

<20ms

PHILIPS

3. ADDRESS SETTING

ADDRESS

Example : Selected address

203

4. PROGRAMMING

this chapter the three possible modes with the related information

given.

For the general slave commands, see the System

manual.

Mode 0 : 20 individual ON/OFF switches with one common contact per pair.

(default mode)

Syntax : (MO,]Cn,On

Mode selection (optional)

Close channel n

Open channel n

Functional diagram

6 4 2

n=0

19or

n=n1-n2

where

eg.

CB-12

means close switch 8 up to and

including

Note: Default all switches are open.

(Also after reset command

Rt)

0 J channel number

-rear plug

J channel number

Mode

change-over switches, make before break.

Mode

10 change-over switches, break before make.

Syntax: [Mm,] An, Bn

mode selection (optional)

channel n in position A

channel n in position B

Functional diagram

8 A

ror

8 A

ror

8 A

-or

8 A

r"f>

8 A

-or

m=1

or 2

n=0

..9

n = n1-n2 where

O~n1

~n2~9

e.g. AS-9 means put switch 5 up to and

including 9 in the A position.

Note: default all switches

position A.

(also after reset command

R1)

0 - channel

number

8 A

ror-

0 v

17 16

9 8 7 6 5 4 3 2 1

37 36 35

29 28 27 26 25

0 0 0 0 0 0

-rear

plug

-o\>-

B A

L-o\>-

B A

-o\,..

B A

-o

\,.

B A

6 -channel

number

5. GENERAL SLAVE FUNCTIONS

Commands Synchronization

modes

Code

Pn,

Description

Send execution mode

Send

dump

data

Send identification of module

Send operating mode

<funct. cmd>Store functional commands on

= 0.

...

19) block-memory position n

R? Send ready-line control mode

Reset

after power on

Reset

after mode change

R2 Clear block/scan memory

Send status

T n

= 0,

Functional test n

X Execute

luB[,n]

Initiate block-operation up to

= 0 .

19)

and including block-memory

position n

= 0 ....19) Initiate block position n

IuS Initiate one scan

Code

EuT

EuU

EuX

Description

Execute on trigger

Execute unconditional

Execute on X

RuD

Ready-line control disable

RuE

Ready-line control enable

Scan

function:

Mode 0: switches are sequentially closed.

Mode 1 and 2: switches sequentially change

from A to

all modes, one switch at a time.

" u" means space character.

For full details of these commands,

see System

Manual.

6. DISPLAY

2190

MODE

OUT

Display shows mode information

Operating mode; example: Mode 0

LSynchronization data '); example: ready-line control enable

~xecute

.!:!n£onditional

Displays shows switch settings mode 0

First switch

of display

sequence

open closed closed open

.--Position

First switch of 7

display sequence A 6 5

A B

1) See System

Manual

MODE

OUT

Display shows switch settings mode 1; mode

4 - Switch number

A-

Position

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