Echuan Hydraulic
Echuan Hydraulic Machinery Co., Ltd.
No. 53 Shuikou Avenue, Huizhou, Guangdong, China
Tel +86-752-2399772 · WhatsApp +86-13422935851
[email protected] · www.echuan-hydraulic.com
Product Data Sheet

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Product Description

PR electronics 2231

The PR electronics 2231 is a versatile and highly reliable trip amplifier designed for critical industrial process monitoring and control. It accepts a wide range of universal inputs, including mA, V, RTD, and thermocouple signals, providing precise and configurable single or dual relay outputs. This device is ideal for alarm and shutdown applications, functioning as a setpoint controller to trigger actions when process variables exceed predefined limits. With its SIL 2 certification and suitability for installation in hazardous areas, the 2231 ensures high levels of safety and performance in demanding environments. Programming is straightforward via the PReset PC software, allowing for easy configuration of setpoints, hysteresis, and relay functions.

Technical Specifications:

  • Input Signal: Universal input for mA, V, Thermocouple (Types B, E, J, K, L, N, R, S, T, U, W3, W5), RTD (Pt100/500/1000, Ni100/500/1000), Linear resistance, and Potentiometer.

  • Output: 1 or 2 SPDT relay outputs.

  • Supply Voltage: Universal power supply 21.6…253 VAC, 50…60 Hz or 19.2…300 VDC.

  • Safety: SIL 2 certified according to IEC 61508 for use in safety instrumented systems (SIS). Approved for ATEX, IECEx, and FM installations.

PR electronics 2231 Description

PR electronics 2231

High-performance PR electronics 2231 universal trip amplifier with SIL 2 certification. Features dual relay outputs and accepts mA, V, RTD, and TC inputs for reliable process alarm and control applications.

BrandPR Electronics
Model2231
CategoryElectrical
Linkhttps://www.echuan-hydraulic.com/product/pr-electronics-2231
Request a quote: [email protected] · WhatsApp +86-13422935851 · Tel +86-752-2399772
All brand names and model numbers are the property of their respective manufacturers and are used for identification only. Pictures are for reference; confirm specifications before ordering.