Controller SlimFLEX 5a

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Product description

Controller SlimFLEX 5a, the entry-level class for cooling water treatment, VDI 2047 Sheet 2 and BIMSchV 42-compliant, the innovative and flexible controller.

The SlimFLEX5a records all the important measuring parameters for cooling water treatment and controls functions necessary for smooth operation:

Time-dependent biocide metering (boost metering). Checks can be undertaken by measuring the ORP voltage in the cooling water.
Measurement of electrolytic conductivity – controls bleeding.
pH measurement with integrated PID controller Controls processes automatically to ensure that the specified values (e.g. pH: acid or alkaline) are maintained even in the event of interfering influences. more in the glossary.

Your benefits

A web interface for device configuration and remote maintenance is standard, Wi-Fi is available as an option
Forced bleeding: performs bleeding before biocide metering
Bleed lock: blocks bleeding after biocide metering has taken place
Operating status displayed by 6 status LEDs
Connection to the DULCONNEX IIoT solution, developed by ProMinent.

Field of application

The following list of applications are general examples of generally suitable applications for this product. Please contact your local sales representative to talk about the applicable use of this product in your specific case / environment.

Control of bleeding in smaller evaporation cooling systems
Volume-proportional control or regulation of the metering of corrosion inhibitors, de-foamers and dispersants
Measurement and if necessary control of pH
Time-dependent metering of up to 2 biocides

Technical Details

6 digital inputs for contact water meter, flow detector and control signals
6 status LEDs display the operating status
5 flexible relay outputs: for setpoint-dependent flow volume-proportional or time-based control of actuators
Measured variables: Conductivity, pH, ORP

Technical Data

Measuring range	Conductivity: 10 ... 10,000 µS/cm pH: 0.00 ... 14.00 Redox potential: -1500 ... +1500 mV
Resolution	Conductivity: 1 µS/cm pH: 0.01 Redox potential: 1 mV Temperature: 0.1 °C
Inputs and outputs	2 plug-in module slots: Plug-in modules for 2-channel modules: mA outputs, pH/ORP inputs 5 output relays used as a changeover contact, 3 of which are potential-free and 2 are AC/DC 1 serial sensor input for CTFS sensor 6 digital status inputs
Accuracy	0.3% based on the full-scale reading
Measurement input	pH/ORP (input resistance > 0.5 x 10¹² Ω)
Temperature compensation	Pt 100/Pt 1000 for pH
Correction range temp.	0 … 100 °C
Control characteristic	P/PID control
Electrical Connection	100 – 230 V, 50/60 Hz, 25 VA
Ambient temperature	0 ... 50 °C (for use indoors or with a protective enclosure)
Enclosure rating	Wall-mounted: IP 65
Tests and approvals	CE, MET (corresponding to UL as per IEC 61010)
Housing material	PPE with flame-proof finish
Dimensions H x W x D	220 x 250 x 122 mm
Climate	Permissible relative humidity: 95 %, non-condensing DIN IEC 60068 –2-30

SlimFlex SF5a with LAN (including cable) and Wi-Fi. Conductive conductivity with CTFS sensor

	Control input	Order no.
SF5A006W0XXXXXXXXXXXX00000001	Conductivity (CTFS sensor)	1095464
SF5A006W0XXXXXXH1XXXX00000001	Conductivity (CTFS sensor), 2 mA outputs	1095443
SF5A006W0XXXXXXXXV2XX00000001	Conductivity (CTFS sensor), pH/ORP	1095465
SF5A006W0XXXXXXH1V2XX00000001	Conductivity (CTFS sensor), pH / ORP, 2 mA outputs	1095466

Please order sensors separately.

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