Motordriven pumps Sigma 1 Sigma 2 Sigma 3

Motor-driven pumps § Sigma/ 1 § Sigma/ 2 § Sigma/ 3

Control Type Features § Stroke length adjustment from 0 - 100% § Digitally accurate stroking rate via keypad § LC display § Two-stage level switch input § Flow monitor input § External control via Pulse Control § External control via 0/4 -20 m. A signal 2 Pro. Minent Academy for Water Technology

New Features Control Type § Extended control options, e. g. free combination of m. A/frequency ratio § Real stroke length measurement § Easy pump calibration § Direct setting gph or lph § Warning when leaving the calibrated range (+/- 10%) § New relay types: § Warning, switch-off, power § Analog output for capacity § Timer + program design software § Profibus DP § Programmable via PC 3 Pro. Minent Academy for Water Technology

Display § Large illuminated LC display § Quick change of display information i e. g. gph or stroke frequency § Display of stroke length in % § Optical indication of operation status (3 LED´s) 4 Pro. Minent Academy for Water Technology

Modular Design § Removable power cord § Retrofit relays: § Warning § Switch-off § Power § Fault indicating relay § Pacing relay § Relay combinations: § Fault indication + pacing § Switch-off + pacing § Diaphragm failure detector 5 Pro. Minent Academy for Water Technology

Speed Control Microprocessor controller with § an optimum combination of speed control and Stop/Go operation § offers an extensive control range with selective fine tuning 6 Pro. Minent Academy for Water Technology

Three performance ranges – one unified technical concept based on the economical modular principle Sigma/ 1 from 5 to 32 gph, Sigma/ 2 from 15 to 111 gph, Sigma/ 3 from 45 to 264 gph. 7 Pro. Minent Academy for Water Technology

THREEFOLD SIMPLICITY The overlapping pump performance ranges cover an extraordinarily wide spectrum. The modular principle: Many of the components employed in the Sigma range are identical and can be used throughout the series = § simplified spare parts management § less stockholding Identical operating systems for all three pumps in the Sigma series = § less training of users § less danger of misuse § more effective and safer function monitoring 8 Pro. Minent Academy for Water Technology

Sigma/ 1 Base can be turned 90° 9 Pro. Minent Academy for Water Technology

Proven precision §Microprocessor control §optimum combination of speed control and digital stroking frequency. §easy-to-use operating menu §Display of all functions via the back-lit LCD display. 10 Pro. Minent Academy for Water Technology

Sigma Control Version Integrated operation panel frequency display open programming menu start /stop change display info relay; Profibus external signals ON / OFF mains cable 11 Pro. Minent Academy for Water Technology

Dual DEVELOPAN® diaphragm with sensor Maximum safety: the dual DEVELOPAN® diaphragm with sensor in the inter-diaphragm cavity guarantees effective protection even in the event of a diaphragm rupture. Continous working with safety diaphragm No process interruption 12 Pro. Minent Academy for Water Technology

Design and function Drive inner housing stroke length adjustment push rod motor flange eccentric worm gear uptake fork return spring Plastic housing 13 Pro. Minent Academy for Water Technology

Sigma pumps control types multiple easy external control “Pause” Remote ON/OFF Auxiliary frequency independently switchable frequency Flowmonitor External Signals Two-stage Level switch Relay options: fault indicating, warning, switch-off; pacing m. A output signal for Capacity in gph Profibus DP 1. Potentially free contacts 2. m. A 3. Profibus DP 14 Pro. Minent Academy for Water Technology

Sigma Control Version - integrated frequency inverter feedback signal from stroke sensor Control of the stroke number Contact signals m. A signals Internal Control 1 stroke is performed with the same speed as with a frequency of 60 strokes / min. : 1 stroke/s, i. e. the stroke volume stay constant 15 Pro. Minent Academy for Water Technology

Sigma Control Version Control of the stroke number § Pump with integrated stroke sensor § Stroke sensor gives a feedback signal for every sucessfully performed stroke § The real speed is equal to the control signal and theoretically calculated stroke number § Speed = Desired stroke number = Desired volume § The frequency is varied under load until the stroking rate equals to theoretically calculated value 16 Pro. Minent Academy for Water Technology

Sigma with professional PROFIBUS®-DP functionality Minimum installation costs – maximum operating safety Sigma’s PROFIBUS® interface enables full integration of metering technology into a PROFIBUS® processor control system. 17 Pro. Minent Academy for Water Technology

Profibus DP Probe Level Sensor/Actor Level 18 Pro. Minent Academy for Water Technology