OS3050

Summary

Product identification

The unit type OS3050 (OS3051) is designed for automatic monitoring and control of reverse osmosis plants. It supports five operational stages: "Stand by", "Production", "Rinse after production", "Rinse during standby", and "Maintenance".

Features

User Interface

• Monochrome LCD display (16x2 characters)
• Control via six keys
• Ten LEDs for process and alarm indication
• Supported languages: English, French, German, Dutch, Spanish, and Italian

Inputs

• 7x Inputs for potential-free switches
• 1x Conductivity meter input

Optional circuit board provides:

• 2nd Conductivity meter input
• 1x Temperature meter input

Conductivity Meter

• Automatic range switching
• Cell constants: 0.01 - 10.00 cm⁻¹
• Measurement range: 0.5 - 100,000 µS/cm (dependent on the cell used)
• Manual or automatic temperature compensation
• Capacitive cell type

Temperature Meter (Optional)

• Range: 0 - 94°C (32 - 201 °F)
• Sensor type: PT1000

Outputs

• 4x Relay outputs (powered)
• 3x Relay output (dry contact)

Optional circuit board provides:

• 2x Analogue outputs (0-20mA) for recorders

Memory

• Programming configuration is stored in non-volatile memory, unaffected by power loss.

Enclosure

• OS3050: Suitable for wall mounting, IP65
• OS3051: Suitable for panel mounting, IP42

Power Supply

• 24 VAC input / 24 VAC output
• 115 VAC input / 115 VAC output
• 230 VAC input / 230 VAC output

Function Table

Relay Outputs

• Inlet valve
• High pressure pump
• Concentrate valve
• Permeate valve
• Dosing pump
• Alarm
• Malfunction

Digital Inputs

• Stop
• High level switch
• Low level switch
• Exceeded water pressure
• Low water pressure
• Concentrate flow switch
• Motor security switch
• Remote alarm reset

Ordering Information

Wall mounted (OS3050):

• OS3050/1: With 1 conductivity meter
• OS3050/2: With 2 conductivity meters and 1 temperature input
• OS3050/1/I: With 1 conductivity meter and 2 recorder outputs
• OS3050/2/I: With 2 conductivity meters, 1 temperature input, and 2 recorder outputs

Panel mounted (OS3051):

• OS3051/1: With 1 conductivity meter
• OS3051/2: With 2 conductivity meters and 1 temperature input
• OS3051/1/I: With 1 conductivity meter and 2 recorder outputs
• OS3051/2/I: With 2 conductivity meters, 1 temperature input, and 2 recorder outputs

Add power supply option to the above codes:

• 24V: 24 VAC / 24 VAC
• 115V: 115 VAC / 115 VAC
• 230V: 230 VAC / 230 VAC

Disclaimer: This extraction may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror