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PART NUMBER IDENTIFICATION
ELECTRICAL PARAMETERS
Electrical connection DIN 43650 Table A
Power supply (polarity safe) 18 to 32V DC
Permissible residual ripple 10% (within 18 to 32V)
Current consumption <50 mA (plus load current)
SWITCHING STEP
PART PRESSURE MAXIMUM SIZE OF
NUMBER RANGE – PSI PRESSURE DISPLAY*
PSW31B -14 – 15 145 0.14
PSW31C 0 – 145 440 0.6 – 0.7
PSW31D 0 – 350 580 1 – 2
*Pressure display in PSI
DIN 43650
1 +24V
3U
out Imax = 1A
2
0V
PE
I
Micro-
Controller
SP RP
p
=
E
2
PROM
(SP,RP)
Load
SWITCHING OUTPUT
Switching mode Open collector PNP switched to supply
(suited for inductive load)
Output voltage Supply voltage minus 1.5V (approx)
Contact rating I
max
= 1A (short-circuit proof)
Switching time < 5ms
Service life 100 million switching cycles
Switching logic Signal “on” with rising pressure, if SP* > RP**
Signal “on” with falling pressure, if SP < RP
* SP = Switching point
**RP = Reset point
ELECTRONIC PRESSURE SWITCH FOR PNEUMATIC APPLICATIONS