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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, R
0
=
500)
<0.5Q
>1o 9
o
>1o 9
o
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
<25ms
<50ms
<20ms
<20ms
PHILIPS
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