ELECTRONIC PRESSURE SWITCH FOR HYDRAULIC APPLICATIONS
ELECTRICAL PARAMETERS
Electrical connection | DIN 43650 | Table A without analog output |
| DIN 43651 | (7 pin), with analog output |
Power supply (polarity safe) | 18 to 32V DC | |
Permissible residual ripple | 10% (within 18 to 32V) | |
Current consumption | <50 mA (plus load current) | |
DIN 43650 without analog output
DIN 43651 with analog output
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| 1 | +24V |
| Micro- | 3 Uout Imax = 1A | |
p | E2PROM |
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Controller |
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= | (SP,RP) |
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| Load |
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| 2 | 0V |
| I |
| PE |
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| SP RP |
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Micro- |
Controller |
SP RP
| E2PROM |
| (SP,RP) |
p | U |
= | I |
U
I
1 +24V
3Uout Imax = 1A
| Load |
2 | 0V |
4 | 4 – 20mA |
50 – 10V
PE
SWITCHING OUTPUT
Switching mode | Open collector PNP switched to supply | (5.5) |
| (5.5) | |
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.22 |
| .22 | |||
| (suited for inductive load) |
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Output voltage |
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Supply voltage minus 1.5V (approx) |
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Analog output | O to l0V and 4 to 20mA |
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Contact rating | Imax = 1A |
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Switching time | < 5ms |
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Service life | 100 million switching cycles |
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Switching logic | Signal “on” with rising pressure, if SP* > RP** |
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| Signal “on” with falling pressure, if SP < RP |
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* SP = Switching point **RP = Reset point
Ø.12 (3) | .47 | (12) | .59(15) | .35 | (9) | .45(11.5) | (20).79 |
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| M5 |
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| A |
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.94 | A |
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(24) |
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| View on 'A' |
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| 1/4 – 18 NPT |
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| (40) |
| Mounting Plates (Included) | ||||
1.73 (44) |
| 1/4" NPT Pressure Port |
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| 1.57 |
| 304 Stainless Steel |
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1.57 (40) |
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| All dimensions in inches (mm) | |||
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PART NUMBER IDENTIFICATION
PART NUMBER | PRESSURE RANGE | ELECTRICAL | PROOF/BURST | ANALOG OUTPUT | |
| PSI | CONNECTION | PRESSURE – PSI | ||
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PSW32B | 0 – 580 | (0 – 40) | DIN 43650 | 1450/2175 (100/150) | No |
0 – 580 | (0 – 40) | DIN 43651 | 1450/2175 (100/150) | Yes | |
PSW32C | 0 – 1450 | (0 – 100) | DIN 43650 | 2900/4350 (200/300) | No |
0 – 1450 | (0 – 100) | DIN 43651 | 2900/4350 (200/300) | Yes | |
PSW32D | 0 – 2320 | (0 – 160) | DIN 43650 | 4350/5800 (300/400) | No |
| 0 – 2320 | (0 – 160) | DIN 43651 | 4350/5800 (300/400) | Yes |
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Numbers in parentheses indicate measurement in bar.
Notes: Mounting plates included.
For hydraulic applications with pressure spikes or surges install a pressure snubber.
All pressure switches are shipped with mounting screws,