PR ELECTRONICS 2219 2219X0 950870010 Analog Comparator

OverviewPR ELECTRONICS 2219 2219X0 950870010 is a compact analog signal comparator module manufactured by PR Electronics, Denmark. PR ELECTRONICS 2219 2219X0 950870010 is designed to compare two analog process signals and output switch status for alarm and interlock control. It accepts 4–20mA industrial current signals, with fixed or adjustable threshold setting, and provides relay or digital switch output for PLC and DCS systems. This module is widely used for high/low limit monitoring, deviation comparison and fault detection of pressure, flow, temperature and vibration signals. In recent petrochemical and power plant transformation projects, PR ELECTRONICS 2219 2219X0 950870010 offers stable signal comparison and alarm trigger, reducing the load of controller logic. It is a classic imported signal conditioning spare for harsh industrial measurement loops.

FeaturesPR ELECTRONICS 2219 2219X0 950870010 adopts compact DIN rail housing and galvanic isolation between input and output circuits. The analog comparator supports independent threshold adjustment, hysteresis setting to avoid chattering of output contact. It has built-in reverse polarity protection and transient surge suppression, complying with industrial EMC requirements. Status LED indicates comparison result and power supply status. The module works with standard 24V DC supply, and the output dry contact can directly drive alarm circuits or send status signals to control systems. PR ELECTRONICS 2219 2219X0 950870010 is easy to install and calibrate on site, and can be matched with PR transmitters and isolators to form a complete signal processing chain.

SpecsPR ELECTRONICS 2219 2219X0 950870010 analog comparator. The analog comparator input signal: 4–20mA. Power supply: 24V DC. Output: relay contact / digital switch. Isolation: input to output isolation. Mounting: DIN rail mounting. Housing: plastic industrial enclosure. Indicator: power and status LED. It is stocked as signal comparison and alarm spare.

Operating ParametersPR ELECTRONICS 2219 2219X0 950870010 supply voltage: 20–28V DC. The analog comparator ambient operating temperature: -20℃ ~ +60℃. Relative humidity: 5%~95% non-condensing. Protection class: IP20. EMC: comply with IEC 61000 series.

PrinciplePR ELECTRONICS 2219 2219X0 950870010 receives two analog current signals from field transmitters. The internal circuit compares the measured signal with the preset threshold or reference signal. The analog comparator changes the output contact state when the measured value exceeds the set limit. The hysteresis circuit prevents frequent on-off caused by small signal fluctuation. The module continuously monitors input signal and power supply. When signal loss or power failure occurs, PR ELECTRONICS 2219 2219X0 950870010 can be configured to trigger safe alarm status.

ApplicationsPR ELECTRONICS 2219 2219X0 950870010 is widely deployed in chemical plants, thermal power plants, water treatment stations and offshore auxiliary control cabinets. The analog comparator is used for limit alarm of liquid level, pressure, flow, bearing vibration and temperature. It cooperates with field transmitters, isolators, PLC and DCS to realize independent hardwired alarm and interlock protection. PR ELECTRONICS 2219 2219X0 950870010 is a preferred spare for independent signal limit monitoring loops.