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Wika Electronic Pressure Switch With Display PSD-4, 0…1 Bar Gauge with Two Switching Outputs (PNP/NPN), IO-Link 1.1, 15...35 V DC Power Supply, G 1/4 A DIN EN ISO 1179-2 Connection and Circular connector M12x1 (4-pin) Electrical Connection, FPM/FKM Sealing, ± 0.5% of span Accuracy, Stainless Steel 316L Wetted Parts, 84229833

Part Number : 84229833

Brand :
WIKA

The WIKA PSD-4 electronic pressure switch is the universal solution for industrial automation tasks – also in hygienic applications and under harsh conditions. Due to an accuracy of < ±0.5 % and minimal long-term drift, it permanently ensures an accurate representation of the process pressure for more than 100 million load cycles. The pressure switch is available with a digital output signal as well as a switchable and scalable analogue output. In addition, it can also be easily monitored via the self-diagnostics.

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KWD 169.100

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Description
Specifications
Downloads
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Description

The Wika PSD-4 (8422983)3 Electronic Pressure Switch offers a reliable and accurate solution for industrial automation. Featuring a 0...1 bar gauge pressure range with ±0.5% span accuracy, this switch integrates a 4-digit LED display, dual switching outputs (PNP/NPN), and IO-Link 1.1 communication. Designed for flexibility and efficiency, the PSD-4 supports fast parameterization via 3-button operation and advanced diagnostics. Ideal for harsh environments, it withstands up to 100 million cycles and features robust stainless steel 316L wetted parts. Suitable for applications in machine tools, hydraulics, special machinery, and the food and pharmaceutical industry.

Key Features

• Advanced condition monitoring via IO-Link

• Higher flexibility, lower inventory

• Easy integration combined with good readability

• Fast parameterisation via 3-buttons

Applications

• Machine tools

• Hydraulics and pneumatics

• Special machine building

• Food and pharmaceutical industry

Advanced condition monitoring via IO-Link

Condition data and the diagnostic functions allow consistent monitoring. Whether it is defective or whether the pressure or temperature values are above or below the specifications is displayed directly in the system. The data also allow conclusions to be drawn about changing process conditions. Additional information helps to check the loading.

Easy integration combined with good readability

Thanks to the large 14-segment display and red digits, pressure values are easy to read, even in bright environments. In addition, the display`s content can be turned through 180° and the case through > 300°

Fast parameterisation via 3-buttons

The PSD-4 can be set via 3-button operation. Display and menu offer intuitive navigation in accordance with VDMA specification 24574-1. This speeds up parameterisation and reduces the installation effort.

Downloads

DataSheet Wika PSD-4 (84229833).pdf

pdf
Download

Wika Pressure Switch with display PSD-4 Datasheet.pdf

pdf
Download

Operating Instructions Wika PSD-4.pdf

pdf
Download

Specifications

Measuring range
0...1 bar gauge
Vacuum tightness
Yes
Display
14-segment LED, red, 4-digit, 9 mm character size
Output Signal
Two switching outputs (PNP/NPN)
IO-Link
IO-Link 1.1
Switching function
Normally open, normally closed, window, hysteresis – freely adjustable
Switching Voltage
Power supply - 1 V
Switching Current
Max. 250 mA
Response Time
≤ 5 ms
Power Supply
15...35 V DC
Accuracy
± 0.5% of span
Long-Term Drift
0.10%
Temperature Error (15...25°C)
No additional error
Temp. Error in Rated Range
Maximum: ≤ ±1.5% of span
Media temperature
-20 ... 85 °C (-4 ... +185 °F)
Ambient temperature
-20 ... +80 °C (-4 ... +176 °F)
Storage Temperature
-20 ... 70 °C (-4 ... +158 °F)
Vibration resistance
20 g, 10 ... 2,000 Hz (IEC 60068-2-6, under resonance)
Shock resistance
50 g, 6 ms (IEC 60068-2-27, mechanical)
Service Life
100 million load and switching cycles
Wetted parts
Stainless steel 316L
Process Connection
G 1/4 A DIN EN ISO 1179-2
Sealing
FPM/FKM
Electrical connection
Circular connector M12x1 (4-pin)
Ingress Protection
IP65 and IP67
Pin assignment
U+ = 1, U− = 3, SP1/IO-Link = 4, SP2 = 2
Short-circuit Resistance
SP1 / SP2 vs. U−
Reverse polarity protection
U+ vs. U−
Insulation Voltage
DC 500 V
Overvoltage Protection
DC 40 V
CE Conformity
DGRL EMV, EN 61326
RoHS Compliance
Yes
China RoHS II
Yes
Specification Reference
PE 81.86
Approvals
cULus

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