KOSO EP1000 電氣動定位器
EP1000: Electro-Pneumatic Positioner
| Series | EP1000 | |
| Applicable Actuators | Single and double acting actuators | |
| Input Signal | 4 to 20mA DC (adjustable to 1/4 split range) | |
| Power supply | 2-Wire type | |
| Input impedance | 500Ω at 20mA (Input voltage less than 10V) | |
| Characteristic | Linear (Desired characteristic settable) | |
| Pilot valve | Non-bleeding type | |
| Single acting and double acting types are available | ||
| Air supply | 140 to 700kPa | |
| Air consumption | Output air pressure 50% | |
| 5Nl/min at 140kPa air supply | ||
| 15Nl/min at 400kPa air supply | ||
| Max. capacity | Capacity when output is atmospheric venting | |
| 175Nl/min at 140kPa air supply | ||
| 400Nl/min at 400kPa air supply | ||
| Performance | For single acting actuator | For double acting actuator |
| Linearity : +/-1.0% of FS. | Linearity : +/-1.5% of FS. | |
| Hysteresis : 0.5% of FS. | Hysteresis : 0.8% of FS. | |
| Response level : 0.1% of FS. | Response level : 0.2% of FS. | |
| Repeatability : 0.2% of FS. | Repeatability : 0.3% of FS. | |
| The above represents the performance of the positioner on an actuator without a valve. For the performance of the complete unit with a valve and an actuator, see KOSO STANDARD SPECIFICATION. | ||
| Calibration | 1 button calibration | |
| Calibration by positioner alone. | ||
| Own program | ||
| with Note PC or Disktop PC | ||
| Self diagnosis items | Air supply check/Eath unit's function check/Over load check | |
| Fail position for breakdown selectable | ||
| Air connection | Rc 1/4 | |
| wiring connection | G 1/2 | |
| Ambient temperature | Standard type : -20 to 80°, Explosion type : -20 to 60° | |
| Ambient humidity range | 10 to 90% RH | |
| Enclosure | Weather proof type (IP65), Explosion proof type (ExdCT6) | |
| Standard anicillary | Auto-Manual change | |
| Housing material | Aluminum alloy | |
| Coating | Epoxy resin group paint | |
| Coating colors | Body : Dark green, Cover : Light gray | |
| Apporox. Weight | 2.6kg | |
| Optional specifications | Available upon request | |
| Position transmitter | 4 to 20mA 2-Wire type | |
| Power source required in addition to input signal. | ||
| Limit switches | Open/Shut | |
| Open collector type | ||
| Self diagnosis indication | diagnosis result on LED | |
| Separate power supply required | ||
| wiring connection | 1/2 NPT | |
| Air connection | 1/4 NPT |
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