Editorial Technical Reference

Condition Evaluator

This page explains how Condition Evaluator is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A logic component that evaluates specific conditions to determine state transitions in industrial systems.

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Product Specifications

Technical details and manufacturing context for Condition Evaluator

Definition
The Condition Evaluator is a component used in Transition Logic systems within machinery and equipment manufacturing. It continuously monitors and assesses predefined conditions or thresholds by analyzing input signals from sensors, controllers, or other system components. The evaluator compares these inputs against configured criteria using embedded algorithms, determining whether conditions are met (true/false, within/out of range). Based on the evaluation, it outputs control signals that initiate state transitions, activate or deactivate processes, or trigger alarms. This component is essential for automated industrial processes where precise condition monitoring is required for safe and efficient operation. The Condition Evaluator is typically housed in a plastic enclosure with a printed circuit board and electronic components. It operates within specified parameters, including an operating pressure of 1.0–1.6 MPa, a supply voltage of 24 V DC ±10% (IEC 61131-2), and a current consumption of 0.1–0.5 A. Response time ranges from 10–50 ms, switching frequency from 100–500 Hz, and operating temperature from -40 to 85 °C (IEC 60068-2-1). Storage temperature is -40 to 100 °C (IEC 60068-2-2), humidity range 5–95% RH (non-condensing, IEC 60068-2-78), and ingress protection IP54–IP65 (IEC 60529). The housing material is 316L stainless steel (ASTM A240), with a weight of 0.5–1.2 kg and dimensions of 80×60×30 mm. These values are reference ranges and must be verified for the specific model and application with the legal manufacturer or supplier. The Condition Evaluator is a critical part for ensuring reliable state transitions in industrial control systems.
Working Principle
The Condition Evaluator receives input signals from sensors, controllers, or other system components. It compares these inputs against pre-configured thresholds, ranges, or logical conditions using embedded algorithms. Based on the evaluation results (true/false, within range/out of range), it outputs control signals that initiate state transitions, activate/deactivate processes, or trigger alarms within the larger Transition Logic framework. The evaluation logic is implemented on a printed circuit board with electronic components, and the unit is housed in a plastic enclosure. The device operates within specified electrical and environmental limits, and its response time and switching frequency are critical for real-time control. The Condition Evaluator is designed to be integrated into automated systems, providing reliable condition monitoring and decision-making.
Common Materials
Electronic components, Printed circuit board, Plastic housing
Technical Parameters
ParameterTypical rangeNotes & selection driver
Supply Voltage24 ±10% V DCOutside range may cause malfunctionIEC 61131-2
Current Consumption0.1–0.5 AHigher current indicates overload
Response Time10–50 msFaster for critical safety functions
Switching Frequency100–500 HzExceeding reduces service life
Operating Temperature-40–85 °COutside range may cause false triggeringIEC 60068-2-1
Storage Temperature-40–100 °CExceeding may damage internal componentsIEC 60068-2-2
Humidity Range5–95 % RHNon-condensing; condensation may cause short circuitIEC 60068-2-78
Ingress ProtectionIP54–IP65Higher rating for dusty or wet environmentsIEC 60529
Material of Housing316LCorrosion-resistant for harsh mediaASTM A240
Weight0.5–1.2 kgAffects mounting and handling
Dimensions (L×W×H)80×60×30 mmCompact design for tight spaces

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Input Interface
    Receives and conditions input signals from sensors or other system components
    Material: Copper traces, electronic components
  • Processing Unit
    Executes comparison algorithms and logical operations to evaluate conditions
    Material: Semiconductor chip, PCB
  • Output Driver
    Generates control signals based on evaluation results to trigger state transitions
    Material: Transistors, relays, optocouplers
  • Configuration Memory Part
    Stores threshold values, hysteresis settings, and evaluation parameters
    Material: Flash memory, EEPROM
  • Plastic Enclosure
    Houses the board and carries the field wiring entries.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Transition Logic
View system integration details
Transformation Rule Engine
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar
flow rate: 0 to 100 L/min
temperature: -40°C to 85°C
slurry concentration: 0 to 30% solids by weight
Media Compatibility
✓ Water-based fluids ✓ Hydraulic oils (ISO VG 32-68) ✓ Compressed air (dry, filtered)
Unsuitable: Highly corrosive acids (e.g., concentrated sulfuric acid)
Sizing Data Required
  • System operating pressure range
  • Maximum expected flow rate
  • Required response time for state transition

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Sensor Drift/Calibration Loss
Cause: Environmental exposure to temperature fluctuations, vibration, or contaminants causing sensor element degradation or electronic component aging, leading to inaccurate readings that compromise condition assessment reliability.
Electronic Component Failure
Cause: Power surges, moisture ingress, or thermal cycling damaging circuit boards, processors, or communication modules, resulting in system crashes, data loss, or complete operational failure.
Maintenance Indicators
  • Inconsistent or erratic readings compared to baseline data or other monitoring systems, indicating potential sensor or processing issues.
  • System alarms, error codes, or communication failures (e.g., loss of data transmission, connectivity drops) signaling hardware or software malfunctions.
Engineering Tips
  • Implement regular calibration and verification schedules using certified reference standards, and install surge protection with environmental controls (e.g., enclosures, climate regulation) to shield electronics.
  • Establish predictive maintenance through trend analysis of sensor data and component health monitoring, coupled with firmware/software updates to address bugs and enhance system resilience.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI/ASME Y14.5-2018 Dimensioning and Tolerancing CE Marking for Machinery Directive 2006/42/EC

Quoted from the published standard.

Manufacturing Precision
  • Bore diameter: ±0.02 mm
  • Surface flatness: 0.1 mm per 100 mm
Quality Inspection
  • Dye Penetrant Test for surface defects
  • Coordinate Measuring Machine (CMM) dimensional verification

Manufacturers of Condition Evaluator

Manufacturer profiles associated with Condition Evaluator.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 6 September 2026

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Frequently Asked Questions

What supply voltage does the Condition Evaluator require?

The supply voltage is 24 V DC ±10%, according to IEC 61131-2. Operating outside this range may cause malfunction. Always confirm the voltage requirements for your application.

What is the response time of the Condition Evaluator?

The response time is 10–50 ms. Faster response is critical for safety functions. The actual response time may vary depending on the model and configuration; consult the manufacturer.

What are the environmental limits for the Condition Evaluator?

The operating temperature range is -40 to 85 °C (IEC 60068-2-1), storage temperature -40 to 100 °C (IEC 60068-2-2), humidity 5–95% RH non-condensing (IEC 60068-2-78), and ingress protection IP54–IP65 (IEC 60529). Exceeding these limits may cause malfunction or damage.

Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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