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Digital proportional servo valves
Series LR
3/3-way directly operated servo valves for the flow (LRWD2),
pressure (LRPD2) and position (LRXD2) control
pressure (LRPD2) and position (LRXD2) control
Series LR digital proportional servo valves are direct driven 3/3-way valves with a patented rotating spool system with closed loop control circuit. The electronic board is integrated into the valve's body ready to connect.
Series LR*D2 digital proportional servo valve has been designed to be as compact as possible in order to save space and to be mounted on a DIN-rail.
Thanks to this new digital version, the valve can be configurated through a USB connection according to different requirements.
Series LR*D2 digital proportional servo valve has been designed to be as compact as possible in order to save space and to be mounted on a DIN-rail.
Thanks to this new digital version, the valve can be configurated through a USB connection according to different requirements.
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| Power supply | 24 V DC +/- 10%, max absorption 1,5 A |
| Command signal | +/- 10 V DC 0-10 V 4-20 mA |
| Hysteresis | 1% FS LRWD2 - 0,2% FS LRPD2 |
| Linearity | 1% FS LRWD2 - 0,3% FS LRPD2 |
| Switching time | see the following pages |
| Working temperature | from 0 to 50° C |
| Relative humidity of air | max. 90% |
| Direction of assembly | any |
| Maximum flow | see the diagrams |
| Medium | filtered compressed air, unlubricated, according to ISO 8573-1 class 3.4.3, inert gas |
| Supply pressure | -0,9 to 10 bar |
| Leakage | < 1% of maximum flow rate |
| Electrical connection | male connector M12 8 poles |
| Hardware configuration port | micro USB |
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Series LR digital proportional servo valves - dimensions
| Mod. | Control | Command/Input signal | Sensor/External signal | |
| LRWD2-3*-1-A-00 | flow | +/- 10 V | - | |
| LRWD2-3*-2-A-00 | flow | 0-10 V | - | |
| LRWD2-3*-5-A-00 | flow | 4..20 mA | - | |
| LRPD2-3*-1-2-00 | pressure | +/- 10 V | 0..10 V | |
| LRPD2-3*-2-2-00 | pressure | 0-10 V | 0..10 V | |
| LRPD2-3*-5-2-00 | pressure | 4..20 mA | 0..10 V | |
| LRPD2-3*-1-4-00 | pressure | +/- 10 V | 0 - 5 V | |
| LRPD2-3*-2-4-00 | pressure | 0-10 V | 0 - 5 V | |
| LRPD2-3*-5-4-00 | pressure | 4..20 mA | 0 - 5 V | |
| LRPD2-3*-1-5-00 | pressure | +/- 10 V | 4..20 mA | |
| LRPD2-3*-2-5-00 | pressure | 0-10 V | 4..20 mA | |
| LRPD2-3*-5-5-00 | pressure | 4..20 mA | 4..20 mA | |
| LRPD2-3*-1-B-00 | pressure | +/- 10 V | 1 bar internal | |
| LRPD2-3*-2-B-00 | pressure | 0-10 V | 1 bar internal | |
| LRPD2-3*-5-B-00 | pressure | 4..20 mA | 1 bar internal | |
| LRPD2-3*-1-D-00 | pressure | +/- 10 V | 10 bar internal | |
| LRPD2-3*-2-D-00 | pressure | 0-10 V | 10 bar internal | |
| LRPD2-3*-5-D-00 | pressure | 4..20 mA | 10 bar internal | |
| LRPD2-3*-1-E-00 | pressure | +/- 10 V | 250 mbar internal | |
| LRPD2-3*-2-E-00 | pressure | 0-10 V | 250 mbar internal | |
| LRPD2-3*-5-E-00 | pressure | 4..20 mA | 250 mbar internal | |
| LRPD2-3*-1-F-00 | pressure | +/- 10 V | +1/-1 bar internal | |
| LRPD2-3*-2-F-00 | pressure | 0-10 V | +1/-1 bar internal | |
| LRPD2-3*-5-F-00 | pressure | 4..20 mA | +1/-1 bar internal | |
| LRXD2-3*-1-4-00 | position | +/- 10 V | 0-5 V | suitable to work with the 6PF cylinder (see the PNEUMATIC ACTUATION catalogue) |
| LRXD2-3*-2-4-00 | position | 0-10 V | 0-5 V | suitable to work with the 6PF cylinder (see the PNEUMATIC ACTUATION catalogue) |
| LRXD2-3*-5-4-00 | position | 4..20 mA | 0-5 V | suitable to work with the 6PF cylinder (see the PNEUMATIC ACTUATION catalogue) |
| LRXD2-3*-1-2-00 | position | +/- 10 V | 0-10 V | |
| LRXD2-3*-2-2-00 | position | 0-10 V | 0-10 V | |
| LRXD2-3*-5-2-00 | position | 4..20 mA | 0-10 V | |
| LRXD2-3*-1-5-00 | position | +/- 10 V | 4..20mA | |
| LRXD2-3*-2-5-00 | position | 0-10 V | 4..20mA | |
| LRXD2-3*-5-5-00 | position | 4..20mA | 4..20mA |
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