Philips PM2120 User manual

SYSTEM 21
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.
-
10 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 21 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
on
Make-before-break switching time
Break-before-make switching time
>60dB (DC to 1OOkHz, R0 = 500)
<0.5Q
>1o9o
>1o9o
DC to 100kHz
30Vrms (DC to 1OOkHz)
200mArms (DC to 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 ms
<50ms
<20ms
<20ms
PHILIPS

3. ADDRESS SETTING
ADDRESS
20
Example : Selected address is 203
4. PROGRAMMING
In this chapter the three possible modes with the related information is given.
For the general slave commands, see the System
21 manual.
Mode 0 : 20 individual ON/OFF switches with one common contact per pair.
(default mode)
Syntax : (MO,]Cn,On
MO
Cn
On
Mode selection (optional)
Close channel n
Open channel n
Functional diagram
6 4 2
n=0 . .. 19or
n=n1-n2 where O ~ n1 ~ n2 ~ 19
eg. CB-12 means close switch 8 up to and
including 12 .
Note: Default all switches are open.
(Also after reset command
Rt)
0 J channel number
-rear plug
J channel number
Mode 1: 10 change-over switches, make before break.
Mode 2: 10 change-over switches, break before make.

Syntax: [Mm,] An, Bn
Mm
An
Bn
mode selection (optional)
channel n in position A
channel n in position B
Functional diagram
5
8 A
ror
4
8 A
ror
3
8 A
-or
2
8 A
r"f>
1
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 in position A.
(also after reset command R1)
0 - channel number
8 A
ror-
~ 0 v
9 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
37 36 35
34 33 32 31 30 29 28 27 26 25 24 23 22 21 20
0 0 0 0 0 0
-rear plug
-o\>-
B A
9
L-o\>-
B A
8
-o\,..
B A
7
-o
\,.
B A
6 -channel
number
5. GENERAL SLAVE FUNCTIONS
Commands Synchronization modes
Code
E?
D?
I?
M?
Pn,
Description
Send execution mode
Send dump data
Send identification of module
Send operating mode
<funct. cmd>Store functional commands on
(n = 0. ... 19) block-memory position n
R? Send ready-line control mode
RO Reset as after power on
R1 Reset as after mode change
R2 Clear block/scan memory
S? Send status
T n
(n = 0, 1) Functional test n
X Execute
luB[,n] Initiate block-operation up to
(n = 0 . .. . 19) and including block-memory
position n
In (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
B.
In all modes, one switch at a time.
" u" means space character.
For full details of these commands,
see System
21 Manual.

6. DISPLAY ON PM 2190
MODE
IN
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
21 Manual
MODE
IN
OUT
Display shows switch settings mode 1; mode 2.
4 - Switch number
A- Position