SUCO Group | Electronic Pressure Switches
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Electronic Pressure Switches sehctiwS erusserP cinortcelE 96

Switching point: Overpressure protection: Transistor outputs: Variant: Housing materials: Sealing materials: Threads: Types: E. Overview of electronic pressure switches Technical explanations Electronic pressure from page 100 Selection matrix A guide to choosing the correct pressure switch from page 105 Electronic pressure switches, Performance series, hex 24, adjustable at factory from page 106 0 - 250 bar Up to 2 x Qty: 1, maximum output current 0.5 A PNP Stainless steel 1.4305 (AISI 303) NBR, FKM, EPDM G 1/4, NPT 1/4 0500, 0501, 0502, 0503 Electronic pressure switches, Performance...

Menu-controlled electronic pressure switches with display Special feature: All functions programmable from menu Switching state LEDs, display, coding, etc. Switching point: 0 – 400 bar Overpressure protection: Up to 2 x Transistor outputs: Qty: 2, output current: max. 1.4 A Variant: PNP Additional analogue output: 4 – 20 mA Housing materials: Anodised aluminium and die-casted zinc Sealing materials: NBR, FKM Thread: Female thread Type: 0570 Electronic pressure switches with SoS technology E.5 Electronic pressure switches, High-Performance series, hex 22 with 1 switching output Special...

Technical explanations for electronic pressure switches What is an electronic pressure switch? An electronic pressure switch converts the medium pressure which is present at the measuring cell into a digital, electrical switch signal (ON / OFF). An electronic pressure switch is more complex than a mechanical pressure switch, and thus generally more expensive. As an electronic pressure switch has no moving parts (relative to each other), it usually has a much prolonged service life and provides a higher level of precision (depending on application). The hysteresis can be set over a wide...

Adjustment range of switching point The pressure range within which the switching point of an electronic pressure switch can be set is called adjustment range. The switching point corresponds to the pressure value at which the electric circuit of the output is opened or closed. Window function In the window function, the switch signal is programmed such that it remains ON or OFF between two values. This means a defined pressure range can be monitored. This function is only possible on the 053X series. pressure profile Hysteresis Rising/falling switching point The difference between the...

Technical explanations for electronic pressure switches PNP output / high-side / plus-switching PNP output (plus-switching) is the most popular variant in Europe. Here the load is connected to the output of the switch and ground (GND as reference potential). NPN output / low-side / minus-switching For an NPN output (minus-switching), the load is connected to the switching output and to the positive line of the supply voltage (Uv+ as reference potential). Temperature errors and ranges The temperature (both of the medium and environment) generally has a signicant influence on the accuracy of...

Sampling rate The sampling rate (or sampling frequency) defines the number of samples per time unit (typically in seconds or milliseconds) taken from an analogue signal and converted to a digital signal. The sampling rate is an indicator of how fast the output signal of an electronic pressure switch responds to the pressure change at the input. analogue signal Response time The response or circuit time is shorter than 2 to 4 milliseconds (depending on model). The sum of A/D and D/A conversions, and the analogue and digital filters in the signal chain from the measuring bridge to the output,...

Technical explanations for electronic pressure switches Conversion chart for pressure units lbf/in2, PSI Pound-force per square inch Conversion chart for temperature units K Insulation strength According to the latest specifications for immunity to surges and lightning protection, the following must be taken into account when testing insulation strength: With insulation test devices having an inner resistance exceeding 42 Ohm, the insulation strength of electronic pressure switches can be tested up to 500 VDC. All contacts must be tested short-circuited against the housing. For a specific...

Type / series Selection matrix for electronic pressure switches Page Technology Measuring cell ceramic / thick-film titanium / SoS NC 1 switching output 2 switching outputs PNP (High Side) NPN (Low Side) analogue output 4 - 20 mA Supply voltage Adjustment range 0 – 250 bar 0 – 400 bar 0 – 600 bar Switch point adjustability Hysteresis adjustability by customer (on site) by customer (on site) window mode (settable at factory) Housing material zinc-plated steel stainless steel 1.4305 / AISI 303 aluminium / die-casted zinc Additional functions 7-segment and menu control LED switching state...

E.1 hex 24 Performance adjustable at factory Electronic pressure switches, Performance series adjustable at factory or programmable with programming device PPD05 Very attractively priced electronic pressure switches, particularly for high volume deployment High overpressure protection (up to 2 x) Small, compact electronic switches with ceramic sensor Hysteresis adjustable within a wide range (2 % – 98 %, set at factory) Programming of switching points and switching delay time possible via PPD05 (see Chapter E.7, page 133) Monitoring of a pressure range due to window function High level of...

Electronic pressure switches, Performance series Technical details 0500 NO 0501 NC 9.6 – 32 VDC with reverse voltage protection 0.5 A with ( ≤ 0.2 A at ≥ 50 °C) short-circuit and overvoltage protection Idle power consumption: Adjustment range pnom: Burst pressure : Mechanical life expectancy: 5,000,000 switching cycles at rise rates to 1,000 bar/s at pnom Pressure rise rate: ±0.5 % of adjustment range pnom (full scale (FS)) at room temperature Switching point adjustment range: 3 … 100 % of adjustment range pnom (FS), set at factory 2 … 98 % FS, programmable at factory (max. tolerance ±1.0 %...