Features of EHN-YN series
High Resolution
Thanks to digitized controller, stroke speed can be adjusted by 1 spm step from 1 – 360 spm. Combined with stroke length adjustment, you can do the fine adjustment from very small flow to maximum flow rate.
Multi-Voltage Power Source
Multi-voltage power source from 100 – 240 VAC for all models. You are now free from worrying about power voltage.
Air Vent Valve
Standard pump head models (VC/VH/PC/ PH/PP) equip air vent valve. Air in the pump chamber can be easily released by turning knob.
Water/Dust-Proof
Each unit such as driving unit and control unit is sealed to make the pump IP66 equivalent water/dust-proof.
• Do not install pump outdoor.
External Control
External signals through an analogue input and a digital input can control operation. Use the analogue input to make proportional control and the digital input to run the pump with a multiplier or a divisor.
Multi Hose Connection
The use of a new hose stopper eliminates a twist in tube connection.
• Except for the following
Wet-end material: FC type, SH type, Accessories: Check valve CS type, Controller: EHN-R/YN Flow Checker corresponding type, Backflow prevention valve, Back pressure valve, Flow checker, T-joint
Auto Restoration (with the FCM flow checker connected to the control unit)
The pump starts to run at a full speed (360spm) once a flow checker detects gas lock in the pump head.
• The pump stops when having failed to resolve gas lock.
Controller function
Manual operation
Pump run/stop and stroke rate setting (1 – 360 spm) can be done by keys. Stroke rate can be set either when pump is running or stopped.
Analogue input operation
Proportional control of spm by programming 2 points between 0 – 20 mA.
EXT operation
Multiply (1 : n)
Pump makes multiply operation by external pulse signal. Pump makes “n” times shots against one pulse signal input. “n” can be set from 1 to 999. Pulses which came while operation are put in memory up to 65535 shots.
Dividing (n : 1)
Pump makes dividing operation by external pulse signal. Pump makes one shot against “n” times pulse input. “n” can be set from 1 to 999.
• If “n” is set at 1, pump makes synchronous operation. If pump is connected to optionally available EH controller, please use this function.
STOP function
Pump stops by external contact signal. Pump operates when stop signal input is released. This function enables pump ON/OFF control. This is convenient function when used in combination with level sensor.
• It is possible to operate pump while STOP signal comes in (Change over with keys). In this case, when pump is operated in EXT mode, pump operates synchronous with EXT signal input while STOP signal is coming in.
Auto restoration
PA mode
When the FCM does not detect a suction-line flow for the PA time, the pump starts to run at full speed (360spm).
PA+AL mode
When the FCM does not detect a suction-line flow for the PA time, the pump starts to run at full speed (360spm) for the AL time and stops afterward.
PA+AL+RE mode
When the pump starts to run at full speed (360spm) for the AL time and the FCM keeps detecting a suction-line flow over the RE time, operation at a set speed or programmed behaviour will be restored.
Specifications of pump
| Discharge capacity range | 38 – 450 mL/min |
|---|---|
| Max. discharge pressure range | 0.2 – 1.0 MPa |
| Main materials | PVC, GFRPP, PVDF, SUS316, PTFE |
| Stroke rate | 1 – 360 spm |
| Liquid temperature range | PVC type: 0 – 40°C GFRPP type, PVDF type, SUS316 type: 0 – 60°C |
| Viscous liqid | Please contact us for details. |
Specifications of controller
| Operation mode | Manual, EXT (MULT/DIV/ANA) | |
|---|---|---|
| Control function | Setting |
|
| STOP | The pump stops while receiving the stop signal (Make off/Make on can be selected by changing controller setting) | |
| Input | Pulse | No voltage contact, Open collector |
| Stop | No voltage contact, Open collector | |
| Analogue | 0 – 20 mA | |
| FCM | Open collector | |
| Alarm output | No voltage contact | |
| Sensor Power voltage | 12 VDC at 20 mA | |
| Power voltage | 100 – 240 VAC 50/60 Hz single phase | |
